Onshore foraging by an Eared Grebe
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چکیده
منابع مشابه
Salmonella enteritidis isolated from an eared grebe (Podiceps nigricollis).
The reported prevalence of salmonellosis its wild birds is relatively low, though the numl)er of species of birds reported as having the disease or being carriers of the organism is increasilig (Faddoul et al., 1966, Avian Dis. 10: 8994). The course of the disease in binds ralsges from acute to chronic. Affected birds essay recover, become carriers of the organism alsd periodically shed it into...
متن کاملStratification, sulfide, worms, and decline of the Eared Grebe (Podiceps nigricollis) at the Salton Sea, California
Anderson, T.W., M.A. Tiffany and S.H. Hurlbert. 2007. Stratification, sulfide, worms, and decline of the Eared Grebe (Podiceps nigricollis) at the Salton Sea, California. Lake Reserv. Manage. 23:500–517. Over the last half century the Salton Sea has been an important migratory stopover site for the Eared Grebe (Podiceps nigricollis). However, in recent years there have been sporadic mass mortal...
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The two sibling mouse-eared bats, Myotis myotis and M. blythii, cope with similar orientation tasks, but separate their trophic niche by hunting in species-specific foraging microhabitats. Previous work has shown that both species rely largely on passive listening to detect and glean prey from substrates, and studies on other bat species have suggested that echolocation is ;switched off' during...
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Molecular analysis of diet overcomes the considerable limitations of traditional techniques for identifying prey remains in bat faeces. We collected faeces from individual Mountain Long-eared Bats Plecotus macrobullaris trapped using mist nets during the summers of 2009 and 2010 in the Pyrenees. We analysed their diet using DNA mini-barcodes to identify prey species. In addition, we inferred so...
متن کاملLift-based paddling in diving grebe.
To examine the hydrodynamic propulsion mechanism of a diving great crested grebe (Podiceps cristatus), the three-dimensional kinematics was determined by digital analysis of sequential video images of dorsal and lateral views. During the acceleration phase of this foot-propelled bird, the feet move through an arc in a plane nearly normal to the bird's line of motion through the water, i.e. the ...
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ژورنال
عنوان ژورنال: Western Birds
سال: 2018
ISSN: 0045-3897
DOI: 10.21199/wb49.2.6