First data on the short-eared owl (Asio flammeus) prey in Patagonia (Argentina)
Abstract The short-eared owl (Asio flammeus) has a wide distribution across the world, and it inhabits open lands, grasslands, and marshes. Small mammals are its main prey, but it also feeds on other food items according to seasonal variations. Despite its wide distribution, little information about...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Formoso, Anahí Elizabeth [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2023 |
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| Schlagwörter: |
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| Anmerkung: |
© The Author(s), under exclusive licence to Sociedade Brasileira de Ornitologia 2023 |
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| Übergeordnetes Werk: |
Enthalten in: Ornithology research - Springer International Publishing, 2020, 32(2023), 1 vom: 04. Dez., Seite 49-51 |
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| Übergeordnetes Werk: |
volume:32 ; year:2023 ; number:1 ; day:04 ; month:12 ; pages:49-51 |
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| DOI / URN: |
10.1007/s43388-023-00161-1 |
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| Katalog-ID: |
SPR055049990 |
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| 520 | |a Abstract The short-eared owl (Asio flammeus) has a wide distribution across the world, and it inhabits open lands, grasslands, and marshes. Small mammals are its main prey, but it also feeds on other food items according to seasonal variations. Despite its wide distribution, little information about its food habits has been published in Argentina and none for Patagonia. In this study, we report the analysis of nine pellets of this species for a site located 6 km north of Puerto Madryn city (Chubut, Argentina). This area is located in the Monte Phytogeographical Province and has a flooded place with sewage water, invasive weeds, and herbaceous vegetation. We measured pellets and disaggregated them using hot water; all prey remains were identified to the finest taxonomic level. We found 49 prey items: 73.5% of small mammals (mainly native rodents and marsupials) and 26.5% of insects (mainly spider wasps); small mammals were the prey that contributed the most to biomass (99.2%). Our results are consistent with previous works carried on the southern distribution of this species, where rodents were the most consumed prey and the main item to biomass. However, we found the lowest percentage for rodents in comparison with other studies in southern South America. We did not record birds among prey, although this item was found in previous studies. Despite we analyzed a small sample, this study is the first contribution for Argentinean Patagonia on the diet of A. flammeus, a species with a wide geographic distribution that lacked of food habits data in this region. | ||
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10.1007/s43388-023-00161-1 doi (DE-627)SPR055049990 (SPR)s43388-023-00161-1-e DE-627 ger DE-627 rakwb eng Formoso, Anahí Elizabeth verfasserin (orcid)0000-0001-9086-1901 aut First data on the short-eared owl (Asio flammeus) prey in Patagonia (Argentina) 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Sociedade Brasileira de Ornitologia 2023 Abstract The short-eared owl (Asio flammeus) has a wide distribution across the world, and it inhabits open lands, grasslands, and marshes. Small mammals are its main prey, but it also feeds on other food items according to seasonal variations. Despite its wide distribution, little information about its food habits has been published in Argentina and none for Patagonia. In this study, we report the analysis of nine pellets of this species for a site located 6 km north of Puerto Madryn city (Chubut, Argentina). This area is located in the Monte Phytogeographical Province and has a flooded place with sewage water, invasive weeds, and herbaceous vegetation. We measured pellets and disaggregated them using hot water; all prey remains were identified to the finest taxonomic level. We found 49 prey items: 73.5% of small mammals (mainly native rodents and marsupials) and 26.5% of insects (mainly spider wasps); small mammals were the prey that contributed the most to biomass (99.2%). Our results are consistent with previous works carried on the southern distribution of this species, where rodents were the most consumed prey and the main item to biomass. However, we found the lowest percentage for rodents in comparison with other studies in southern South America. We did not record birds among prey, although this item was found in previous studies. Despite we analyzed a small sample, this study is the first contribution for Argentinean Patagonia on the diet of A. flammeus, a species with a wide geographic distribution that lacked of food habits data in this region. Argentinean Patagonia (dpeaa)DE-He213 Chubut (dpeaa)DE-He213 Diet (dpeaa)DE-He213 Owl pellets (dpeaa)DE-He213 Short-eared owl (dpeaa)DE-He213 Esmoris, Agustín aut Enthalten in Ornithology research Springer International Publishing, 2020 32(2023), 1 vom: 04. Dez., Seite 49-51 (DE-627)1733557008 (DE-600)3038178-2 2662-673X nnns volume:32 year:2023 number:1 day:04 month:12 pages:49-51 https://dx.doi.org/10.1007/s43388-023-00161-1 lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 32 2023 1 04 12 49-51 |
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10.1007/s43388-023-00161-1 doi (DE-627)SPR055049990 (SPR)s43388-023-00161-1-e DE-627 ger DE-627 rakwb eng Formoso, Anahí Elizabeth verfasserin (orcid)0000-0001-9086-1901 aut First data on the short-eared owl (Asio flammeus) prey in Patagonia (Argentina) 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Sociedade Brasileira de Ornitologia 2023 Abstract The short-eared owl (Asio flammeus) has a wide distribution across the world, and it inhabits open lands, grasslands, and marshes. Small mammals are its main prey, but it also feeds on other food items according to seasonal variations. Despite its wide distribution, little information about its food habits has been published in Argentina and none for Patagonia. In this study, we report the analysis of nine pellets of this species for a site located 6 km north of Puerto Madryn city (Chubut, Argentina). This area is located in the Monte Phytogeographical Province and has a flooded place with sewage water, invasive weeds, and herbaceous vegetation. We measured pellets and disaggregated them using hot water; all prey remains were identified to the finest taxonomic level. We found 49 prey items: 73.5% of small mammals (mainly native rodents and marsupials) and 26.5% of insects (mainly spider wasps); small mammals were the prey that contributed the most to biomass (99.2%). Our results are consistent with previous works carried on the southern distribution of this species, where rodents were the most consumed prey and the main item to biomass. However, we found the lowest percentage for rodents in comparison with other studies in southern South America. We did not record birds among prey, although this item was found in previous studies. Despite we analyzed a small sample, this study is the first contribution for Argentinean Patagonia on the diet of A. flammeus, a species with a wide geographic distribution that lacked of food habits data in this region. Argentinean Patagonia (dpeaa)DE-He213 Chubut (dpeaa)DE-He213 Diet (dpeaa)DE-He213 Owl pellets (dpeaa)DE-He213 Short-eared owl (dpeaa)DE-He213 Esmoris, Agustín aut Enthalten in Ornithology research Springer International Publishing, 2020 32(2023), 1 vom: 04. Dez., Seite 49-51 (DE-627)1733557008 (DE-600)3038178-2 2662-673X nnns volume:32 year:2023 number:1 day:04 month:12 pages:49-51 https://dx.doi.org/10.1007/s43388-023-00161-1 lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 32 2023 1 04 12 49-51 |
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10.1007/s43388-023-00161-1 doi (DE-627)SPR055049990 (SPR)s43388-023-00161-1-e DE-627 ger DE-627 rakwb eng Formoso, Anahí Elizabeth verfasserin (orcid)0000-0001-9086-1901 aut First data on the short-eared owl (Asio flammeus) prey in Patagonia (Argentina) 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Sociedade Brasileira de Ornitologia 2023 Abstract The short-eared owl (Asio flammeus) has a wide distribution across the world, and it inhabits open lands, grasslands, and marshes. Small mammals are its main prey, but it also feeds on other food items according to seasonal variations. Despite its wide distribution, little information about its food habits has been published in Argentina and none for Patagonia. In this study, we report the analysis of nine pellets of this species for a site located 6 km north of Puerto Madryn city (Chubut, Argentina). This area is located in the Monte Phytogeographical Province and has a flooded place with sewage water, invasive weeds, and herbaceous vegetation. We measured pellets and disaggregated them using hot water; all prey remains were identified to the finest taxonomic level. We found 49 prey items: 73.5% of small mammals (mainly native rodents and marsupials) and 26.5% of insects (mainly spider wasps); small mammals were the prey that contributed the most to biomass (99.2%). Our results are consistent with previous works carried on the southern distribution of this species, where rodents were the most consumed prey and the main item to biomass. However, we found the lowest percentage for rodents in comparison with other studies in southern South America. We did not record birds among prey, although this item was found in previous studies. Despite we analyzed a small sample, this study is the first contribution for Argentinean Patagonia on the diet of A. flammeus, a species with a wide geographic distribution that lacked of food habits data in this region. Argentinean Patagonia (dpeaa)DE-He213 Chubut (dpeaa)DE-He213 Diet (dpeaa)DE-He213 Owl pellets (dpeaa)DE-He213 Short-eared owl (dpeaa)DE-He213 Esmoris, Agustín aut Enthalten in Ornithology research Springer International Publishing, 2020 32(2023), 1 vom: 04. Dez., Seite 49-51 (DE-627)1733557008 (DE-600)3038178-2 2662-673X nnns volume:32 year:2023 number:1 day:04 month:12 pages:49-51 https://dx.doi.org/10.1007/s43388-023-00161-1 lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 32 2023 1 04 12 49-51 |
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10.1007/s43388-023-00161-1 doi (DE-627)SPR055049990 (SPR)s43388-023-00161-1-e DE-627 ger DE-627 rakwb eng Formoso, Anahí Elizabeth verfasserin (orcid)0000-0001-9086-1901 aut First data on the short-eared owl (Asio flammeus) prey in Patagonia (Argentina) 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Sociedade Brasileira de Ornitologia 2023 Abstract The short-eared owl (Asio flammeus) has a wide distribution across the world, and it inhabits open lands, grasslands, and marshes. Small mammals are its main prey, but it also feeds on other food items according to seasonal variations. Despite its wide distribution, little information about its food habits has been published in Argentina and none for Patagonia. In this study, we report the analysis of nine pellets of this species for a site located 6 km north of Puerto Madryn city (Chubut, Argentina). This area is located in the Monte Phytogeographical Province and has a flooded place with sewage water, invasive weeds, and herbaceous vegetation. We measured pellets and disaggregated them using hot water; all prey remains were identified to the finest taxonomic level. We found 49 prey items: 73.5% of small mammals (mainly native rodents and marsupials) and 26.5% of insects (mainly spider wasps); small mammals were the prey that contributed the most to biomass (99.2%). Our results are consistent with previous works carried on the southern distribution of this species, where rodents were the most consumed prey and the main item to biomass. However, we found the lowest percentage for rodents in comparison with other studies in southern South America. We did not record birds among prey, although this item was found in previous studies. Despite we analyzed a small sample, this study is the first contribution for Argentinean Patagonia on the diet of A. flammeus, a species with a wide geographic distribution that lacked of food habits data in this region. Argentinean Patagonia (dpeaa)DE-He213 Chubut (dpeaa)DE-He213 Diet (dpeaa)DE-He213 Owl pellets (dpeaa)DE-He213 Short-eared owl (dpeaa)DE-He213 Esmoris, Agustín aut Enthalten in Ornithology research Springer International Publishing, 2020 32(2023), 1 vom: 04. Dez., Seite 49-51 (DE-627)1733557008 (DE-600)3038178-2 2662-673X nnns volume:32 year:2023 number:1 day:04 month:12 pages:49-51 https://dx.doi.org/10.1007/s43388-023-00161-1 lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 32 2023 1 04 12 49-51 |
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10.1007/s43388-023-00161-1 doi (DE-627)SPR055049990 (SPR)s43388-023-00161-1-e DE-627 ger DE-627 rakwb eng Formoso, Anahí Elizabeth verfasserin (orcid)0000-0001-9086-1901 aut First data on the short-eared owl (Asio flammeus) prey in Patagonia (Argentina) 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Sociedade Brasileira de Ornitologia 2023 Abstract The short-eared owl (Asio flammeus) has a wide distribution across the world, and it inhabits open lands, grasslands, and marshes. Small mammals are its main prey, but it also feeds on other food items according to seasonal variations. Despite its wide distribution, little information about its food habits has been published in Argentina and none for Patagonia. In this study, we report the analysis of nine pellets of this species for a site located 6 km north of Puerto Madryn city (Chubut, Argentina). This area is located in the Monte Phytogeographical Province and has a flooded place with sewage water, invasive weeds, and herbaceous vegetation. We measured pellets and disaggregated them using hot water; all prey remains were identified to the finest taxonomic level. We found 49 prey items: 73.5% of small mammals (mainly native rodents and marsupials) and 26.5% of insects (mainly spider wasps); small mammals were the prey that contributed the most to biomass (99.2%). Our results are consistent with previous works carried on the southern distribution of this species, where rodents were the most consumed prey and the main item to biomass. However, we found the lowest percentage for rodents in comparison with other studies in southern South America. We did not record birds among prey, although this item was found in previous studies. Despite we analyzed a small sample, this study is the first contribution for Argentinean Patagonia on the diet of A. flammeus, a species with a wide geographic distribution that lacked of food habits data in this region. Argentinean Patagonia (dpeaa)DE-He213 Chubut (dpeaa)DE-He213 Diet (dpeaa)DE-He213 Owl pellets (dpeaa)DE-He213 Short-eared owl (dpeaa)DE-He213 Esmoris, Agustín aut Enthalten in Ornithology research Springer International Publishing, 2020 32(2023), 1 vom: 04. Dez., Seite 49-51 (DE-627)1733557008 (DE-600)3038178-2 2662-673X nnns volume:32 year:2023 number:1 day:04 month:12 pages:49-51 https://dx.doi.org/10.1007/s43388-023-00161-1 lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 32 2023 1 04 12 49-51 |
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Formoso, Anahí Elizabeth |
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Formoso, Anahí Elizabeth misc Argentinean Patagonia misc Chubut misc Diet misc Owl pellets misc Short-eared owl First data on the short-eared owl (Asio flammeus) prey in Patagonia (Argentina) |
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First data on the short-eared owl (Asio flammeus) prey in Patagonia (Argentina) Argentinean Patagonia (dpeaa)DE-He213 Chubut (dpeaa)DE-He213 Diet (dpeaa)DE-He213 Owl pellets (dpeaa)DE-He213 Short-eared owl (dpeaa)DE-He213 |
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first data on the short-eared owl (asio flammeus) prey in patagonia (argentina) |
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First data on the short-eared owl (Asio flammeus) prey in Patagonia (Argentina) |
| abstract |
Abstract The short-eared owl (Asio flammeus) has a wide distribution across the world, and it inhabits open lands, grasslands, and marshes. Small mammals are its main prey, but it also feeds on other food items according to seasonal variations. Despite its wide distribution, little information about its food habits has been published in Argentina and none for Patagonia. In this study, we report the analysis of nine pellets of this species for a site located 6 km north of Puerto Madryn city (Chubut, Argentina). This area is located in the Monte Phytogeographical Province and has a flooded place with sewage water, invasive weeds, and herbaceous vegetation. We measured pellets and disaggregated them using hot water; all prey remains were identified to the finest taxonomic level. We found 49 prey items: 73.5% of small mammals (mainly native rodents and marsupials) and 26.5% of insects (mainly spider wasps); small mammals were the prey that contributed the most to biomass (99.2%). Our results are consistent with previous works carried on the southern distribution of this species, where rodents were the most consumed prey and the main item to biomass. However, we found the lowest percentage for rodents in comparison with other studies in southern South America. We did not record birds among prey, although this item was found in previous studies. Despite we analyzed a small sample, this study is the first contribution for Argentinean Patagonia on the diet of A. flammeus, a species with a wide geographic distribution that lacked of food habits data in this region. © The Author(s), under exclusive licence to Sociedade Brasileira de Ornitologia 2023 |
| abstractGer |
Abstract The short-eared owl (Asio flammeus) has a wide distribution across the world, and it inhabits open lands, grasslands, and marshes. Small mammals are its main prey, but it also feeds on other food items according to seasonal variations. Despite its wide distribution, little information about its food habits has been published in Argentina and none for Patagonia. In this study, we report the analysis of nine pellets of this species for a site located 6 km north of Puerto Madryn city (Chubut, Argentina). This area is located in the Monte Phytogeographical Province and has a flooded place with sewage water, invasive weeds, and herbaceous vegetation. We measured pellets and disaggregated them using hot water; all prey remains were identified to the finest taxonomic level. We found 49 prey items: 73.5% of small mammals (mainly native rodents and marsupials) and 26.5% of insects (mainly spider wasps); small mammals were the prey that contributed the most to biomass (99.2%). Our results are consistent with previous works carried on the southern distribution of this species, where rodents were the most consumed prey and the main item to biomass. However, we found the lowest percentage for rodents in comparison with other studies in southern South America. We did not record birds among prey, although this item was found in previous studies. Despite we analyzed a small sample, this study is the first contribution for Argentinean Patagonia on the diet of A. flammeus, a species with a wide geographic distribution that lacked of food habits data in this region. © The Author(s), under exclusive licence to Sociedade Brasileira de Ornitologia 2023 |
| abstract_unstemmed |
Abstract The short-eared owl (Asio flammeus) has a wide distribution across the world, and it inhabits open lands, grasslands, and marshes. Small mammals are its main prey, but it also feeds on other food items according to seasonal variations. Despite its wide distribution, little information about its food habits has been published in Argentina and none for Patagonia. In this study, we report the analysis of nine pellets of this species for a site located 6 km north of Puerto Madryn city (Chubut, Argentina). This area is located in the Monte Phytogeographical Province and has a flooded place with sewage water, invasive weeds, and herbaceous vegetation. We measured pellets and disaggregated them using hot water; all prey remains were identified to the finest taxonomic level. We found 49 prey items: 73.5% of small mammals (mainly native rodents and marsupials) and 26.5% of insects (mainly spider wasps); small mammals were the prey that contributed the most to biomass (99.2%). Our results are consistent with previous works carried on the southern distribution of this species, where rodents were the most consumed prey and the main item to biomass. However, we found the lowest percentage for rodents in comparison with other studies in southern South America. We did not record birds among prey, although this item was found in previous studies. Despite we analyzed a small sample, this study is the first contribution for Argentinean Patagonia on the diet of A. flammeus, a species with a wide geographic distribution that lacked of food habits data in this region. © The Author(s), under exclusive licence to Sociedade Brasileira de Ornitologia 2023 |
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First data on the short-eared owl (Asio flammeus) prey in Patagonia (Argentina) |
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https://dx.doi.org/10.1007/s43388-023-00161-1 |
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Esmoris, Agustín |
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10.1007/s43388-023-00161-1 |
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2024-07-04T03:59:09.827Z |
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