Results 51 to 60 of about 1,046 (187)
Anotaciones etológicas de Milvago chimachima, Vieillot, 1816 (Aves: Falconidae)
Objetivo. Se Describen y discuten pautas de comportamiento de M. chimachima relacionadas con anidación, alimentación, cuidado parental, conductas aprendidas, vocalizaciones y acoso. Materiales y métodos.
Jaime De La Ossa V +2 more
doaj +1 more source
A total of 45 voucher specimens of falcons which are deposited in the bird's collection of the Iraq Natural History Research Center and Museum (INHM) were reviewed.
Afkar M. Had +3 more
doaj +1 more source
Neotropical birds of prey in 16th and 17th century Europe (Aves, Falconidae, Accipitridae)
O intenso fluxo de animais do Neotrópico observado na Europa durante o início da Idade Moderna incluiria demandas muito singulares vindas de determinados atores sociais.
Teixeira, Dante Martins
core +1 more source
Abstract Knowing about species interactions is essential for ecological research, conservation efforts, resource management, and maintaining healthy ecosystems, but many of these, such as reports of predation, may not always be published in easily located resources—if they are published at all.
Matthijs P. van den Burg, Hinrich Kaiser
wiley +1 more source
Los nombres de las aves argentinas
Este artículo no cuenta con un resumen.
Juan Carlos Chebez
doaj +1 more source
Predators and scavengers: Polar bears as marine carrion providers
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
Recuento de aves rapaces por carretera en Argentina central
Durante oct 1992 se realizaron conteos en carretera de rapaces a lo largo de 2230 km, en una región central de la Argentina Fueron detectadas 16 (80%) de las 20 especies presentes (incluyendo jotes). La especie más común fué el Chimango Milvago chimango
Alejandro Travaini +4 more
doaj +1 more source
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
Phylogeny of Falconidae and phylogeography of Peregrine Falcons [PDF]
Abstract We first examine how falcons can be integrated into avian tree of life. Then we go one step further and investigate the position of Peregrine Falcons in a comprehensive phylogeny of the falcons (genus Falco), which was reconstructed on the basis of DNA sequences.
openaire +2 more sources
imágenesHalcón pequeño aproximadamente del mismo tamaño que Mourning Dove, pero con cabeza más grande y cola más ancha. En vuelo, observa las alas largas y angostas y la cola cuadrada.
core +2 more sources

