Function of courtship feeding in the Bull-headed Shrike,Lanius bucephalus
Abstract We investigated the frequency of courtship feeding (CF) in the Bull-headed Shrike (Lanius bucephalus) during the 1981–1982 breeding seasons. Because no CF was observed just prior to, during or just after copulation, CF is not associated directly with copulation and does not function as a re...
Ausführliche Beschreibung
Autor*in: |
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Englisch |
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1985 |
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9 |
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Springer Online Journal Archives 1860-2002 |
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Übergeordnetes Werk: |
in: Journal of ethology - 1983, 3(1985) vom: Feb., Seite 113-121 |
Übergeordnetes Werk: |
volume:3 ; year:1985 ; month:02 ; pages:113-121 ; extent:9 |
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NLEJ207710104 |
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520 | |a Abstract We investigated the frequency of courtship feeding (CF) in the Bull-headed Shrike (Lanius bucephalus) during the 1981–1982 breeding seasons. Because no CF was observed just prior to, during or just after copulation, CF is not associated directly with copulation and does not function as a releaser for copulation. The absence of CF during the pair-formation period of the early breeder and the high frequency of CF behavior in the cold season and in the critical breeding stages (egg-laying and incubation stages) for females strongly suggests that the significance of CF in this species is not symbolic but substantial at least in early breeders. We assign one of the causes of this CF to the early onset of breeding. | ||
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(DE-627)NLEJ207710104 DE-627 ger DE-627 rakwb eng Function of courtship feeding in the Bull-headed Shrike,Lanius bucephalus 1985 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract We investigated the frequency of courtship feeding (CF) in the Bull-headed Shrike (Lanius bucephalus) during the 1981–1982 breeding seasons. Because no CF was observed just prior to, during or just after copulation, CF is not associated directly with copulation and does not function as a releaser for copulation. The absence of CF during the pair-formation period of the early breeder and the high frequency of CF behavior in the cold season and in the critical breeding stages (egg-laying and incubation stages) for females strongly suggests that the significance of CF in this species is not symbolic but substantial at least in early breeders. We assign one of the causes of this CF to the early onset of breeding. Springer Online Journal Archives 1860-2002 Yamagishi, Satoshi oth Saito, Mitsuru oth in Journal of ethology 1983 3(1985) vom: Feb., Seite 113-121 (DE-627)NLEJ188991492 (DE-600)2020048-1 1439-5444 nnns volume:3 year:1985 month:02 pages:113-121 extent:9 http://dx.doi.org/10.1007/BF02350301 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 3 1985 2 113-121 9 |
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(DE-627)NLEJ207710104 DE-627 ger DE-627 rakwb eng Function of courtship feeding in the Bull-headed Shrike,Lanius bucephalus 1985 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract We investigated the frequency of courtship feeding (CF) in the Bull-headed Shrike (Lanius bucephalus) during the 1981–1982 breeding seasons. Because no CF was observed just prior to, during or just after copulation, CF is not associated directly with copulation and does not function as a releaser for copulation. The absence of CF during the pair-formation period of the early breeder and the high frequency of CF behavior in the cold season and in the critical breeding stages (egg-laying and incubation stages) for females strongly suggests that the significance of CF in this species is not symbolic but substantial at least in early breeders. We assign one of the causes of this CF to the early onset of breeding. Springer Online Journal Archives 1860-2002 Yamagishi, Satoshi oth Saito, Mitsuru oth in Journal of ethology 1983 3(1985) vom: Feb., Seite 113-121 (DE-627)NLEJ188991492 (DE-600)2020048-1 1439-5444 nnns volume:3 year:1985 month:02 pages:113-121 extent:9 http://dx.doi.org/10.1007/BF02350301 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 3 1985 2 113-121 9 |
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(DE-627)NLEJ207710104 DE-627 ger DE-627 rakwb eng Function of courtship feeding in the Bull-headed Shrike,Lanius bucephalus 1985 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract We investigated the frequency of courtship feeding (CF) in the Bull-headed Shrike (Lanius bucephalus) during the 1981–1982 breeding seasons. Because no CF was observed just prior to, during or just after copulation, CF is not associated directly with copulation and does not function as a releaser for copulation. The absence of CF during the pair-formation period of the early breeder and the high frequency of CF behavior in the cold season and in the critical breeding stages (egg-laying and incubation stages) for females strongly suggests that the significance of CF in this species is not symbolic but substantial at least in early breeders. We assign one of the causes of this CF to the early onset of breeding. Springer Online Journal Archives 1860-2002 Yamagishi, Satoshi oth Saito, Mitsuru oth in Journal of ethology 1983 3(1985) vom: Feb., Seite 113-121 (DE-627)NLEJ188991492 (DE-600)2020048-1 1439-5444 nnns volume:3 year:1985 month:02 pages:113-121 extent:9 http://dx.doi.org/10.1007/BF02350301 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 3 1985 2 113-121 9 |
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(DE-627)NLEJ207710104 DE-627 ger DE-627 rakwb eng Function of courtship feeding in the Bull-headed Shrike,Lanius bucephalus 1985 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract We investigated the frequency of courtship feeding (CF) in the Bull-headed Shrike (Lanius bucephalus) during the 1981–1982 breeding seasons. Because no CF was observed just prior to, during or just after copulation, CF is not associated directly with copulation and does not function as a releaser for copulation. The absence of CF during the pair-formation period of the early breeder and the high frequency of CF behavior in the cold season and in the critical breeding stages (egg-laying and incubation stages) for females strongly suggests that the significance of CF in this species is not symbolic but substantial at least in early breeders. We assign one of the causes of this CF to the early onset of breeding. Springer Online Journal Archives 1860-2002 Yamagishi, Satoshi oth Saito, Mitsuru oth in Journal of ethology 1983 3(1985) vom: Feb., Seite 113-121 (DE-627)NLEJ188991492 (DE-600)2020048-1 1439-5444 nnns volume:3 year:1985 month:02 pages:113-121 extent:9 http://dx.doi.org/10.1007/BF02350301 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 3 1985 2 113-121 9 |
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(DE-627)NLEJ207710104 DE-627 ger DE-627 rakwb eng Function of courtship feeding in the Bull-headed Shrike,Lanius bucephalus 1985 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract We investigated the frequency of courtship feeding (CF) in the Bull-headed Shrike (Lanius bucephalus) during the 1981–1982 breeding seasons. Because no CF was observed just prior to, during or just after copulation, CF is not associated directly with copulation and does not function as a releaser for copulation. The absence of CF during the pair-formation period of the early breeder and the high frequency of CF behavior in the cold season and in the critical breeding stages (egg-laying and incubation stages) for females strongly suggests that the significance of CF in this species is not symbolic but substantial at least in early breeders. We assign one of the causes of this CF to the early onset of breeding. Springer Online Journal Archives 1860-2002 Yamagishi, Satoshi oth Saito, Mitsuru oth in Journal of ethology 1983 3(1985) vom: Feb., Seite 113-121 (DE-627)NLEJ188991492 (DE-600)2020048-1 1439-5444 nnns volume:3 year:1985 month:02 pages:113-121 extent:9 http://dx.doi.org/10.1007/BF02350301 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 3 1985 2 113-121 9 |
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function of courtship feeding in the bull-headed shrike,lanius bucephalus |
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Function of courtship feeding in the Bull-headed Shrike,Lanius bucephalus |
abstract |
Abstract We investigated the frequency of courtship feeding (CF) in the Bull-headed Shrike (Lanius bucephalus) during the 1981–1982 breeding seasons. Because no CF was observed just prior to, during or just after copulation, CF is not associated directly with copulation and does not function as a releaser for copulation. The absence of CF during the pair-formation period of the early breeder and the high frequency of CF behavior in the cold season and in the critical breeding stages (egg-laying and incubation stages) for females strongly suggests that the significance of CF in this species is not symbolic but substantial at least in early breeders. We assign one of the causes of this CF to the early onset of breeding. |
abstractGer |
Abstract We investigated the frequency of courtship feeding (CF) in the Bull-headed Shrike (Lanius bucephalus) during the 1981–1982 breeding seasons. Because no CF was observed just prior to, during or just after copulation, CF is not associated directly with copulation and does not function as a releaser for copulation. The absence of CF during the pair-formation period of the early breeder and the high frequency of CF behavior in the cold season and in the critical breeding stages (egg-laying and incubation stages) for females strongly suggests that the significance of CF in this species is not symbolic but substantial at least in early breeders. We assign one of the causes of this CF to the early onset of breeding. |
abstract_unstemmed |
Abstract We investigated the frequency of courtship feeding (CF) in the Bull-headed Shrike (Lanius bucephalus) during the 1981–1982 breeding seasons. Because no CF was observed just prior to, during or just after copulation, CF is not associated directly with copulation and does not function as a releaser for copulation. The absence of CF during the pair-formation period of the early breeder and the high frequency of CF behavior in the cold season and in the critical breeding stages (egg-laying and incubation stages) for females strongly suggests that the significance of CF in this species is not symbolic but substantial at least in early breeders. We assign one of the causes of this CF to the early onset of breeding. |
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