Results 41 to 50 of about 1,424 (211)

Descriptive histological analysis of the upper, lower, and third eyelids and the conjunctiva-associated lymphoid tissue in birds of prey. [PDF]

open access: yesBMC Vet Res
Backgroud In this study, we present data obtained using light microscopy for the histological analysis of the upper eyelid (palpebra dorsalis), lower eyelid (palpebra ventralis), and third eyelid (palpebra tertia) also known as the nictitating membrane ...
Klećkowska-Nawrot JE   +4 more
europepmc   +2 more sources

Bird Displacement by Wind Turbines: Assessing Current Knowledge and Recommendations for Future Studies

open access: yesBirds, 2021
Wind energy developments can be responsible for negative impacts on birds, including displacement. In this study we performed a systematic review of the literature available on bird displacement due to wind turbines, both onshore and offshore, to: (i ...
Ana Teresa Marques   +2 more
doaj   +1 more source

Analysis of skull morphometric characters in diurnal raptors (Accipitriformes and Falconiformes) [PDF]

open access: yesOrnis Hungarica, 2019
Abstract Diurnal birds of prey (Accipitriformes and Falconiformes) has traditionally been known as comprising a single order. Recently, this classification has been used in the non-taxonomic sense as referring to a convergent group of birds that are largely classified as predatory birds.
Pecsics, Tibor   +4 more
openaire   +4 more sources

Old and Cosmopolite: Molecular Phylogeny of Tropical–Subtropical Kites (Aves: Elaninae) with Taxonomic Implications

open access: yesDiversity, 2020
Kites of the Elaninae group are small and medium-sized, mostly tropical raptors traditionally considered as an early diverged subfamily of the Accipitridae. We used nucleotide sequences of three genetic markers (mitochondrial Cyt b and COI, nuclear RAG-1)
Ivan J. Starikov, Michael Wink
doaj   +1 more source

New Opportunities for Raptors Conservation in Africa and Eurasia Emerging from the Third Meeting of Signatories

open access: yesПернатые хищники и их охрана, 2023
The Convention on Migratory Species’ Memorandum of Understanding on the Conservation of Migratory Birds of Prey in Africa and Eurasia (Raptors MOU) represents a unique international agreement dedicated to the preservation of migratory raptors belonging ...
Umberto Gallo-Orsi, Lauren Lopes
doaj   +1 more source

Selección de sitios de anidación por el águila real Aquila chrysaetos (Linnaeus, 1758) (Accipitriformes: Accipitridae) en Janos, Chihuahua, México

open access: yesActa Zoologica Mexicana, 2023
El conocimiento sobre la selección de sitios de anidación en aves rapaces es uno de los factores críticos para realizar cualquier manejo de una población para su conservación.
Isaac Morales-Yañez   +2 more
semanticscholar   +1 more source

Distribution and identification of the White-collared Kite Leptodon forbesi and the juvenile plumages of the Gray-headed Kite Leptodon cayanensis [PDF]

open access: yesPapéis Avulsos de Zoologia, 2020
The genus Leptodon encompasses two Neotropical raptor species. The more widely-distributed Gray-headed Kite (Leptodon cayanensis) occurs in a vast area of Neotropical region, while the White-collared Kite (Leptodon forbesi) is endemic of the Atlantic ...
Rafael Dantas Lima   +2 more
doaj   +1 more source

Relative Conservation Status of Bird Orders With Special Attention to Raptors

open access: yesFrontiers in Ecology and Evolution, 2020
Birds, especially raptors, play important roles in ecosystems. We examine the International Union for the Conservation of Nature’s (IUCN) Red List to determine which orders of birds have proportionally more or fewer species listed as threatened or ...
Christopher J. W. McClure   +1 more
doaj   +1 more source

Uma presa fácil aos olhos do predador: novo registro de predação de uma ave de rapina (Accipitriformes: Accipitridae) sobre Ameiva ameiva (Squamata: Teiidae) no Brasil e o estado do conhecimento atual sobre predadores desta espécie de lagarto

open access: yesActa Zoológica Lilloana, 2023
O teiídeo Ameiva ameiva é comumente encontrado em ambientes abertos naturais ou antropizados ao longo da América do Sul, parte da América Central e na Florida, onde foi introduzido. Invertebrados e principalmente vertebrados são relatados como predadores
Luciano De Faria Silva   +2 more
semanticscholar   +1 more source

Investigations of the tick burden on passeriform, water-associated and predatory birds reveal new tick-host associations and habitat-related factors of tick infestation. [PDF]

open access: yesParasit Vectors
Background Previous studies on the tick infestation of birds in the Carpathian Basin focused on songbirds (Passeriformes). Thus, the primary aim of the present work was to extend the scope of previous studies, i.e.
Pitó A   +7 more
europepmc   +2 more sources

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