Results 61 to 70 of about 18,942 (175)

Effectiveness of territorial protection categories in conserving an endemic island bird during population fluctuation

Conservation Science and Practice, EarlyView.
Static boundaries of protected areas failed to capture the Canary Islands stonechat's shifting distribution patterns. Abstract Protected areas represent cornerstones of biodiversity conservation on oceanic islands, yet their effectiveness for endemic species remains poorly evaluated. We assessed how various territorial protection categories conserve an
Luis M. Carrascal, Ángel C. Moreno, Juan Carlos Illera   +2 more
wiley   +1 more source

Characteristics and Behavior of Guineafowl and Domesticated Chicken Hybrids [PDF]

, 1976
The description, behavior, and morphologic measurements are presented for two hybrid crosses of domesticated chicken and guineafowl. The ease at which gallinaceous birds hybridize might warrant a closer look at the classification system.
Hanebrink, Earl L.
core   +2 more sources

Detection of Genetic Relationship in the Tree of Life of Some Quail Through Molecular Markers Analyses

Brazilian Archives of Biology and Technology, 2017
Quail is an important and interesting group of galliform birds. The Common quail (Coturnix coturnix); the Japanese quail (Coturnix japonica); the Panda quail (Coturnix japonica); the Dotted white quail (Coturnix japonica) and the Bobwhite quail (Colinus ...
Lamiaa Elsayed Mokhtar Deef
doaj   +1 more source

Courtship display behavior influences tail myology in Centrocercus minimus (Gunnison sage‐grouse)

Journal of Anatomy, EarlyView.
Courtship displays among birds are widespread, particularly those which incorporate raised tail feathers for extended periods of time. The Gunnison sage‐grouse (Centrocercus minimus) is such a species. When we compared the tail muscles of the sage‐grouse to birds which do not engage in erected tail fan postures, both morphology proportional mass ...
Alexander D. Clark, Jessie Atterholt, Samantha J. Clark, Nathan W. Seward   +3 more
wiley   +1 more source

Elevation, rather than land use, causes important dietary shifts in the Mediterranean golden eagle

Journal of Zoology, EarlyView.
In an ever‐changing landscape, golden eagles in the Iberian Peninsula demonstrate remarkable dietary adaptability. We monitored 50 distinct breeding events over 4 years using camera traps, collecting over 520 000 images. Elevation, rather than land use, emerged as the main driver of prey composition: lagomorphs and columbiforms dominated at lower ...
D. Gambra, E. Navarro, J. Martel, N. Fernández‐Pesquera, P. Ortega, A. San Miguel, R. Perea, M. Peláez   +7 more
wiley   +1 more source

Avaliação de características de desempenho e de carcaça de codornas de corte por meio da análise de componentes principais Evaluation of production and carcass traits of meat - type quails by principal components analysis

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2009
Foram utilizados dados de 288 codornas de corte (Coturnix coturnix coturnix) para avaliar a possibilidade de resumir a informação contida no complexo de variáveis originais, eliminando-se variáveis inexpressivas por meio da técnica de componentes ...
C.D.S. Leite, G.S.S. Corrêa, L. Barbosa, A.L.P. Melo, M. Yamaki, M.A. Silva, R.A. Torres   +6 more
doaj   +1 more source

Exposure to the Oestrogenic Pollutant 17α‐Ethinyl Estradiol (EE2) Does Not Alter the Behaviour of a Coastal Marine Fish, Cristiceps australis

Ethology, Volume 132, Issue 4, Page 295-304, April 2026.
Environmental contamination with the synthetic estrogen 17α‐ethinyl estradiol (EE2) is widespread in coastal ecosystems, yet behavioural effects in marine fishes remain poorly understood. We exposed southern crested weedfish (Cristiceps australis) to low and high EE2 concentrations for 14 days and assessed boldness and anxiety using a refuge‐use assay.
Shiho Ozeki, Rhiannon V. Eastment, Jack L. Manera, Raiko Rafeeq, Anne Peters, Jake M. Martin, Bob B. M. Wong   +6 more
wiley   +1 more source

Silent Spring - the lost call [PDF]

, 2008
The "silence" in Rachel Carson's Silent Spring1 alludes to the demise of bird populations through reproductive problems and death resulting from exposure to the pesticides of that time, many of which are endocrine active.
Mary Ann Ottinger, Michael J. Quinn
core   +1 more source

‘O sibling, where art thou?’ – a review of avian sibling recognition with respect to the mammalian literature [PDF]

, 2004
Avian literature on sibling recognition is rare compared to that developed by mammalian researchers. We compare avian and mammalian research on sibling recognition to identify why avian work is rare, how approaches differ and what avian and mammalian ...
Barnard C. J., Barnard C.J., Barnard C.J., Bateson P., Bateson P., Beecher I. M., Blaustein A. R., Boyse E. A., Brown J. L., Burger J., Byers J. A., Catchpole C. K., Colgan P., Cramp S., Cramp S., Davis L. S., Dawkins R., Dewsbury D. A., Evans R. M., Farabaugh S. M., Ferkin M. H., Fletcher D. J. C., Fletcher D.J. C., Fuller C. A., Gamboa G. J., Gottlieb G., Halpin Z. T., Hamilton W. D., Hare J. F., Hare J. F., Hepper P. G., Hepper P. G., Hepper P. G., Hoglund J., Holmes W. G., Holmes W. G., Holmes W. G., Johnsgard P. A., Johnsgard P. A., Kroodsma D. E., Lenington S., McGregor P. K., McShea W. J., Medvin M. B., Miller D. E., Mock D. W., Murie J. O., Nowak R. M., Palestis B. G., Palestis B. G., Pfennig D. W., Pierotti R., Porter R. H., Porter R. H., Porter R. H., Radesater T., Schimmel L., Schubert C. A., Sherman P. W., Sherman P. W., Shields W. M., Shields W. M., Slater P.J. B., Stacey P. B., Stoddard P. K., Trainer J. M., Waldman B., Wilson E. O., Wilson E. O., Zann R. A.   +69 more
core   +2 more sources

Comparison of physical meat quality properties of young and spent female quail of different genetic stock [PDF]

Eurasian Journal of Veterinary Sciences, 2022
Aim: This study was carried out to investigate the physical meat quality properties of young and spent female quail of different genetic lines. Materials and Methods: A total of 80 random samples of fresh breast and leg meat of young and spent female ...
Metin Petek, İbrahima Mahamane Abdourhamane, Sena Ardıçlı   +2 more
doaj