Results 51 to 60 of about 1,775 (153)

New documented records for the Black-collared Hawk (Busarellus nigricollis, Latham 1790) (Aves: Accipitridae) in Rio Grande do Sul state

open access: yesActa Biológica Catarinense, 2023
The Black-collared Hawk (Busarellus nigricollis) is a buteonine with a wide distribution through neotropical region. It has preference for aquatic habitats, where it feeds on fishes. It has few records for southern Brazil. In Rio Grande do Sul (RS) State,
D. Meller   +2 more
semanticscholar   +1 more source

Predators and scavengers: Polar bears as marine carrion providers

open access: yesOikos, Volume 2026, Issue 1, January 2026.
Scavenging is a foraging strategy widely used across the animal kingdom and apex predators provide a large amount of energy in a food web by provisioning carrion. In the harsh environmental conditions of the Arctic, apex predators such as polar bears Ursus maritimus can provide scavenging opportunities for many species. Carrion can act as a buffer when
Holly E. L. Gamblin   +5 more
wiley   +1 more source

Unruffling the global feather trade: a comparative analysis of CITES and LEMIS records of feathers and bird skins

open access: yesWildlife Biology, Volume 2026, Issue 1, January 2026.
During the 18th and 19th centuries, bird feathers (class: Aves) were harvested from wild populations and sold globally in enormous quantities to meet the rising demand of the fashion industry. Although many laws now prevent similar widescale harvest, there is a paucity of studies on the trade that has continued to occur since the 20th century.
Jasmin Broadbridge   +2 more
wiley   +1 more source

The helminth fauna of the Eurasian goshawk (Accipiter gentilis) in northwest Russia

open access: yesRaptor Journal
The challenges in researching the parasite fauna of rare and red-listed species, such as the Eurasian goshawk (Accipiter gentilis), render the study of accidental findings of these birds highly valuable and important.
Yakovleva Galina, Ieshko Evgeny
doaj   +1 more source

MORPHO-HISTOLOGICAL STUDY OF THE PROVENTRICULUS OF EURASIAN MARSH HARRIER CIRCUS AERUGINOSUS (LINNAEUS, (1766 (AVES, ACCIPITRIFORMES, ACCIPITRIDAE)

open access: yesBulletin of The Iraq Natural History Museum
The study aimed to describe the anatomical, histological, and histochemical structure of the proventriculuc of adult male Eurasian marsh harrier, Circus aeruginosus (Linnaeus, 1766) (Accipitriformes, Accipitridae). Six birds were used for this study. The
B. Mutlak, Sadama Said Faraj
semanticscholar   +1 more source

A noteworthy new record of Gray-bellied Hawk, Accipiter poliogaster (Temmink, 1824) (Accipitiformes, Accipitridae), in the lowlands of northern Costa Rica

open access: yesCheck List, 2023
Gray-bellied Hawk, Accipiter poliogaster (Temmink, 1824), is a rare forest dwelling raptor in South America. This hawk migrates from Paraguay and northern Argentina (Misiones) in the south to the equator for the winter.
Elián Villalobos Alvarado, J. M. Mora
semanticscholar   +1 more source

Non‐Passerine Birds in Zoos: A Global Approach on Distribution Patterns of Threatened Birds in Zoological Institutions 动物园中非雀形目鸟类:全球动物机构中受威胁鸟类的分布模式研究

open access: yesIntegrative Conservation, Volume 4, Issue 4, Page 600-615, December 2025.
Only 1541 (34.2%) of 4503 recognized non‐passerine bird species are held in ZIMS institutions worldwide. Approximately ~83% of the species kept globally are classified as non‐threatened and ~16% as threatened. To improve the conservation of threatened birds, a shift toward keeping threatened species should be considered within ex situ management ...
Anna Wahle   +6 more
wiley   +1 more source

Biomonitoring of heavy metals in the feathers raptors from eastern Anatolia of Türkiye

open access: yesFrontiers in Ecology and Evolution
This study aimed to determine the levels of heavy metal(loid) in the primary, secondary and breast feathers of carcasses of raptor species detected on highways within the borders of Van and Hakkari Provinces. The study was planned to take place between 1
Özgür Özdemir, Erkan Azizoğlu
doaj   +1 more source

Linking Habitat Conditions, Human Pressures, and Waterbird Diversity in a West African Coastal Wetland

open access: yesAfrican Journal of Ecology, Volume 63, Issue 8, December 2025.
ABSTRACT The Tanji wetland complex, situated on the Atlantic coast of The Gambia, is a coastal mosaic of mangroves, riparian forest, lagoons, and offshore islands of high ornithological significance. Despite its protected status, the reserve faces mounting pressures from human activities and environmental change, yet comprehensive ecological data ...
Mariama Camara   +5 more
wiley   +1 more source

Listado avifaunístico de un matorral espinoso tamaulipeco del noreste de México

open access: yesHuitzil, 2015
Se presenta la lista de especies de aves registradas en un área de matorral espinoso tamaulipeco del centro-norte de Tamaulipas, México. Se registraron 171 especies pertenecientes a 42 familias, en observaciones realizadas de 1999 a 2005.
Jorge E. Ramírez-Albores   +2 more
doaj   +1 more source

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