Zobrazeno 1 - 10
of 400
pro vyhledávání: '"Eberhard Gwinner"'
Autor:
Barbara Helm, Eberhard Gwinner
Publikováno v:
PLoS Biology, Vol 4, Iss 4, p e110 (2006)
The urge of captive birds to migrate manifests itself in seasonally occurring restlessness, termed "Zugunruhe." Key insights into migration and an endogenous basis of behavior are based on Zugunruhe of migrants but have scarcely been tested in nonmig
Externí odkaz:
https://doaj.org/article/de217583672f4f53acd169bb079a4ebb
Publikováno v:
Journal of Experimental Biology, 215(19), 3459-3466. COMPANY OF BIOLOGISTS LTD
Summary Birds have adjusted their life-history and physiological traits to the characteristics of the seasonally changing environments they inhabit. Annual cycles in physiology can result from phenotypic flexibility or from variation in its genetic b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0d0eb0aa111128ab4e146e94e065e81
https://hdl.handle.net/11370/1e322fa9-7467-4278-b6e5-e58fce975561
https://hdl.handle.net/11370/1e322fa9-7467-4278-b6e5-e58fce975561
Publikováno v:
Ethology. 88:35-45
We caught dunnocks at a wintering site near Pisa/Italy prior to their departure for breeding territories and held them indoors north of this site (Andechs/Germany) on a simulated photoperiod of 52.5 °N. After birds had gone through a reproductive cy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d272e8d4e8e881fdb72b9920bd7a9daa
https://doi.org/10.1111/j.1439-0310.1991.tb00261.x
https://doi.org/10.1111/j.1439-0310.1991.tb00261.x
Autor:
Eberhard Gwinner
Publikováno v:
Zeitschrift für Tierpsychologie. 21:657-748
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3378c176ae9b4a8a68bd633a355ba341
https://doi.org/10.1111/j.1439-0310.1964.tb01212.x
https://doi.org/10.1111/j.1439-0310.1964.tb01212.x
Publikováno v:
Zeitschrift für Tierpsychologie. 30:26-35
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64d89744776396e7f89179af57833906
https://doi.org/10.1111/j.1439-0310.1972.tb00841.x
https://doi.org/10.1111/j.1439-0310.1972.tb00841.x
Autor:
Eberhard Gwinner
Publikováno v:
Zeitschrift für Tierpsychologie. 25:843-853
Zusammenfassung In dieser Arbeit wird die mogliche Bedeutung der endogenen Jahresperiodik fur das Auffinden des arttypischen Winterquartiers von Zugvogeln untersucht. Fruhere Untersuchungen hatten Argumente fur eine Hypothese geliefert, nach welcher
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cff2a133867ee02b880143d817347abd
https://doi.org/10.1111/j.1439-0310.1968.tb00046.x
https://doi.org/10.1111/j.1439-0310.1968.tb00046.x
Autor:
Johannes Kneutgen, Eberhard Gwinner
Publikováno v:
Zeitschrift für Tierpsychologie. 19:692-696
Zusammenfassung Die Individuen von zwei in Gefangenschaft gehaltenen Kolkraben und drei Schamapaaren auserten haufig dann, wenn sie ihren Partner vermisten, Laute und Gesangsmotive, die sonst hauptsachlich oder ausschlieslich von diesem hervorgebrach
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e99df89af66c04fef0e6379f8439619
https://doi.org/10.1111/j.1439-0310.1962.tb00799.x
https://doi.org/10.1111/j.1439-0310.1962.tb00799.x
Autor:
Eberhard Gwinner
Publikováno v:
Zeitschrift für Tierpsychologie. 38:34-43
1. 30 European starlings, kept for 20 months under a constant 12-hour photoperiod and at constant temperature, were investigated at regular monthly intervals with regard to the state of gonadal development, bill coloration and moult. 8 male male live
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28d8240b5d4a75aaeff6928da97be31f
https://doi.org/10.1111/j.1439-0310.1975.tb01990.x
https://doi.org/10.1111/j.1439-0310.1975.tb01990.x
Publikováno v:
Zeitschrift für Tierpsychologie. 53:1-8
It was the aim of this study to find out whether additional information from the sun and the stars during early development leads to an improvement in the young birds' non-visual orientation performance during their first autumn migration period. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::baa36901eae8fbc887da752197149ee2
https://doi.org/10.1111/j.1439-0310.1980.tb00729.x
https://doi.org/10.1111/j.1439-0310.1980.tb00729.x
Autor:
Eberhard Gwinner
Publikováno v:
Zeitschrift für Tierpsychologie. 23:28-36
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2291898f49070ddabe07d032cc16d677
https://doi.org/10.1111/j.1439-0310.1966.tb01587.x
https://doi.org/10.1111/j.1439-0310.1966.tb01587.x