Results 41 to 50 of about 7,640 (283)
Describing Diet of Imperiled Sierra Nevada Red Foxes and a Carnivoran Competitor Using DNA Metabarcoding. [PDF]
Montane red foxes (Vulpes vulpes ssp.) native to western North America are of broad conservation interest, but their ecology is poorly understood due to their rarity. We examined the diet of the Sierra Nevada red fox (V. v. necator) in an unstudied portion of their range in Oregon, USA, then evaluated dietary overlap between red fox and coyote (Canis ...
Delheimer MS+5 more
europepmc +2 more sources
A new nesting success record of the White-Bellied Sea Eagle (WBSE), Haliaeetus leucogaster, a resident raptor belonging to the family Accipitridae is reported from a powerline pylon in the Ramanathapuram district of Tamil Nadu.
H. Byju+2 more
semanticscholar +1 more source
The shapes of bird beaks are highly controlled by nondietary factors [PDF]
Bird beaks are textbook examples of ecological adaptation to diet, but their shapes are also controlled by genetic and developmental histories. To test the effects of these factors on the avian craniofacial skeleton, we conducted morphometric analyses on
Beecher+10 more
core +4 more sources
Family Accipitridae Leptodon forbesi (IUCN: CR, Biodiversitas: Not included) Physaloptera ...
Muniz-Pereira, Luís C.+2 more
openaire +4 more sources
Filling the distribution gaps of two species of Accipiter Brisson, 1760 (Aves, Accipitriformes) in northeastern Brazil [PDF]
We present new records of Gray-bellied Hawk, Accipiter poliogaster (Temminck, 1824), and Rufous-thighed Hawk, A. striatus erythronemius (Kaup, 1850), from northeastern Brazil and review the occurrence of these species in this region. While A.
Hilda Raianne Silva de Melo+4 more
doaj +3 more sources
Reliable and robust molecular sexing of the hen harrier (Circus cyaneus) using PCR-RFLP of the CHD1 gene [PDF]
The hen harrier (Circus cyaneus) is a bird of prey that is persecuted in the United Kingdom, and there is a need for a DNA-based individual identification and sexing system for the use in forensic investigations.
Henderson, A+4 more
core +1 more source
Existe poca información sobre la dieta del aguililla negra menor (Buteogallus anthracinus) en México. Presentamos la primera observación documentada de depredación sobre un cangrejo por el aguililla negra menor en un manglar en la costa de Oaxaca ...
Gaudencio Escamilla Cortés+1 more
doaj +1 more source
Habitat loss is one of the main threats to species survival and, in the case of parasites, it is their hosts that provide their habitat. Therefore, extinction even at local scale of host taxa also implies the extinction of their parasites in a process ...
Jesús M. Pérez+5 more
semanticscholar +1 more source
White-headed Vultures Trigonoceps occipitalis show visual field characteristics of hunting raptors [PDF]
The visual fields of Aegypiinae vultures have been shown to be adapted primarily to meet two key perceptual challenges of their obligate carrion-feeding behaviour: scanning the ground and preventing the sun’s image falling upon the retina.
Fowler+17 more
core +1 more source