Results 51 to 60 of about 2,410 (176)

Trends in Richness and Occupancy of Ugandan Birds and Relation to Local Tree Cover

African Journal of Ecology, Volume 63, Issue 4, June 2025.
ABSTRACT Changes in vegetation cover are occurring across sub‐Saharan Africa and can have substantial effects on ecological communities, but limited data make understanding status and trends difficult for many taxa. We surveyed birds for several decades across Uganda using point counts.
Ryan C. Burner, Evan M. Adams, Derek Pomeroy, Herbert Tushabe, Micheal Kibuule, Lars Jørgen Rostad, Zander S. Venter, Douglas Sheil   +7 more
wiley   +1 more source

Anatomical description of neornithine stomach with implications on neornithine stomach morphology

Journal of Anatomy, Volume 245, Issue 5, Page 787-796, November 2024.
The representatives of the four neornithine stomach morphotypes proposed in this study. Abstract Neornithines, the most diversified extant tetrapods, have been a classic example for understanding form–function relationships, particularly in the context of the interaction between dietary ecology and neornithine phenotypic evolution.
Ryuji Takasaki, Yoshitsugu Kobayashi
wiley   +1 more source

Las Colecciones del Museo de Ciencias Naturales de la Universidad de Navarra. I. Vertebrados [PDF]

, 2000
Se presenta el Catálogo de la Colección de Vertebrados expuesta en el Museo de Ciencias Naturales de la Universidad de Navarra. La mayor parte de la colección, de ámbito mundial, proviene de la antigua Colección del Colegio Lecároz (Navarra).
Ariño-Plana, A.H. (Arturo Hugo), Salinas, J.A. (J.A.)   +1 more
core  

Assessing the global prevalence of wild birds in trade

Conservation Biology, Volume 38, Issue 5, October 2024.
Abstract Trade represents a significant threat to many wild species and is often clandestine and poorly monitored. Information on which species are most prevalent in trade and potentially threatened by it therefore remains fragmentary. We used 7 global data sets on birds in trade to identify species or groups of species at particular risk and assessed ...
Paul F. Donald, Eresha Fernando, Lauren Brown, Michela Busana, Stuart H. M. Butchart, Serene Chng, Alicia de la Colina, Juliana Machado Ferreira, Anuj Jain, Victoria R. Jones, Rocio Lapido, Kelly Malsch, Amy McDougall, Colum Muccio, Dao Nguyen, Willow Outhwaite, Silviu O. Petrovan, Ciara Stafford, William J. Sutherland, Oliver Tallowin, Roger Safford   +20 more
wiley   +1 more source

Использование относительных пространственных показателей в исследованиях птичьих яиц [PDF]

, 2009
Зоологическая наука с момента своего возникновения и до настоящего времени в качестве количественных критериев, в большинстве случаев, использует абсолютные значения линейных промеров. Количество извлекаемой при этом информации не велико.
Митяй, И. С.
core  

Long‐ and short‐term responses to climate change in body and appendage size of diverse Australian birds

Global Change Biology, Volume 30, Issue 10, October 2024.
Our article shows that birds are increasing their beak and tarsus size and decreasing their overall body size over time in response to climate change. These responses suggest that birds are adapting their body shape to better manage increased exposure to hot conditions as the climate warms. Together, these findings highlight a profound impact of global
Sara Ryding, Alexandra McQueen, Marcel Klaassen, Glenn J. Tattersall, Matthew R. E. Symonds   +4 more
wiley   +1 more source

Evaluation of the extent of wetland birds in District Kaithal, Haryana, India [PDF]

, 2010
Kaithal District is comprised of 2317 Km² Sq. Km area having six blocks Viz.:Kaithal, Kalayat, Pundri, Rajound, Ghula and Siwan located at a distance of 150 Kms from New Delhi toward North West. Its geographical position lies between 29° 48' 0 N latitude
Gupta, Rohtash Chand, Kaushik, Tirshem Kumar, Kumar, Surjit   +2 more
core   +2 more sources

Ecological, genetic and geographical divergence explain differences in colouration among sunbird species (Nectariniidae)

Ecology and Evolution, Volume 14, Issue 9, September 2024.
Sunbird colour diversity is explained by genetic, geographical and ecological differences. These different mechanisms have different effects on different parts of the body. This suggests that multiple forms of selection influence colouration of animals. Abstract How extravagant ornamental traits evolve is a key question in evolutionary biology.
M. P. J. Nicolaï, S. Rogalla, M. Yousefi, R. C. K. Bowie, L. D'Alba, M. D. Shawkey   +5 more
wiley   +1 more source

Орнітонаселення лісового масиву околиць с. Кропивня та смт. Нова Борова Володарсько-Волинського району [PDF]

, 2012
Дана робота присвячена вивченню орнітонаселення лісового масиву околиць с. Кропивня та смт Нова Борова Володарсько-Волинського району. Вперше здійснено спробу провести опис видового складу птахів лісового масиву околиць с.Кропивня Володарсько ...
Власенко, Р. П., Калінко, Ю. Ю.   +1 more
core  

A preliminary global investigation into potential impacts on successful captive breeding for two species of Rhyticeros hornbill

Zoo Biology, Volume 43, Issue 5, Page 405-415, September/October 2024.
Zoo‐housed Rhyticeros hornbills are stimulated to breed by additional dietary protein. Pair bonds can take time to establish and nest boxes situated outside may be preferred. Birds seen sitting in close proximity and performing joint vocalizations could be important indicators of a successful pairing.
Kees Groot, James E. Brereton, Catherine E. King, Paul Rose   +3 more
wiley   +1 more source