منابع مشابه
Nest Site Characteristics of American Robins Breeding in Desert-riparian Habitat
—We describe the nest site characteristics, and report on the association between site characteristics and reproductive success (brood size at day 8), for a population of American Robins (Turdus migratorius) breeding in the Toiyabe Mountains of central Nevada. Based on data from 132 nests, the immediate vicinity (a 10-m radius) around robin nests was sparsely vegetated with limited cover at any...
متن کاملHow robins find worms
An understanding of diet selection in animals requires knowledge of not only what animals eat in relation to what is available, but also how they perceive the foods available to them. Birds use auditory, visual, olfactory and possibly vibrotactile cues to find prey, but vision is the predominant mode of prey detection. In a series of controlled experiments in an aviary, four American robins, Tu...
متن کاملEpizootic podoknemidokoptiasis in American robins.
Epizootics of scaly leg disease caused by infection with the submacroscopic mite Knemidokoptes jamaicensis (Acari: Knemidokoptidae) in migratory American robins (Turdus migratorius) from a residential area of Tulsa (Oklahoma, USA) are documented during the winters (December through February) of 1993-94 and 1994-95. Estimates of 60 to > 80% of the birds in several different flights arriving in t...
متن کاملNest Predation and Nest Sites
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متن کاملBeyond robins: aerodynamic analyses of animal flight.
Recent progress in studies of animal flight mechanics is reviewed. A range of birds, and now bats, has been studied in wind tunnel facilities, revealing an array of wake patterns caused by the beating wings and also by the drag on the body. Nevertheless, the quantitative analysis of these complex wake structures shows a degree of similarity among all the different wake patterns and a close agre...
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ژورنال
عنوان ژورنال: Science
سال: 1887
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.ns-10.233.48-b