Zobrazeno 1 - 10
of 3 147
pro vyhledávání: '"Guy M. Kirwan"'
Publikováno v:
Papéis Avulsos de Zoologia, Vol 63 (2023)
Abstract Kinglet Calyptura Calyptura cristata is one of the great enigmas of the South American avifauna. Endemic to an apparently tiny area of south-eastern Brazil, in the Atlantic Forest biome, the species was not definitely seen between sometime i
Externí odkaz:
https://doaj.org/article/a718cc36e24e4673a48384a0fb458113
Autor:
George Sangster, Guy M. Kirwan, Jérôme Fuchs, Edward C. Dickinson, Andy Elliott, Steven M. S. Gregory
Publikováno v:
Vertebrate Zoology, Vol 71, Iss , Pp 419-424 (2021)
Abstract Multiple molecular phylogenetic studies have demonstrated that two Neotropical raptors, tiny hawk Accipiter superciliosus and its sister species semicollared hawk A. collaris, are not closely related to core Accipiter, and that A. supercilio
Externí odkaz:
https://doaj.org/article/79d43867a9cc486f9deedec13666fdfb
The distribution, ecology and conservation status of the long-tailed woodnymph Thalurania watertonii
Autor:
Alex J. Berryman, Nigel J. Collar, Marco A. Crozariol, Carlos O. A. Gussoni, Guy M. Kirwan, Christopher J. Sharpe
Publikováno v:
Ornithology Research. 31:1-12
Compilation and scrutiny of all accessible specimen and observer records of the long-tailed woodnymph Thalurania watertonii, a hummingbird currently listed as ‘Endangered’ on the IUCN Red List, eliminates Guyana, Pará, Maranhão, Ceará, Rio Gra
Publikováno v:
Journal of Ornithology. 164:1-12
Contact zones with hybridization are documented for several Palearctic bird taxa. However, their extent is still poorly understood in many cases, including the Common Redstart Phoenicurus phoenicurus. Nominate P. p. phoenicurus breeds across most of