Predation of Bluebirds by an Eastern Chipmunk
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چکیده
منابع مشابه
Naturally acquired rabies in an eastern chipmunk (Tamias striatus).
Rabies in an Eastern chipmunk was detected by fluorescent-antibody testing and mouse inoculation. The results were independently confirmed, and the virus was recovered from tissue culture.
متن کاملSex-specific costs of reproduction in Eastern Bluebirds Sialia sialis.
In species with bi-parental care, individuals must partition energy between parental effort and mating effort. Typically, female songbirds invest more than males in reproductive activities such as egg-laying and incubation, but males invest more in secondary sexual traits used in attracting mates. Animals that breed more than once within a season must also allocate time and energy between first...
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Species reintroductions are used commonly as a tool for conservation, but rigorous, quantitative assessments of their outcome rarely occur. Such assessments are critical for determining success of the reintroduction and for identifying management actions needed to ensure persistence of reintroduced populations. We collected 9 years of demographic data on populations of brown-headed nuthatches (...
متن کاملGTPase regulators and photoresponses in cones of the eastern chipmunk.
Vertebrate cone and rod photoreceptor cells use similar mechanisms to transduce light signals into electrical signals, but their responses to light differ in sensitivity and kinetics. To assess the role of G-protein GTP hydrolysis kinetics in mammalian cone photoresponses, we have characterized photoresponses and GTPase regulatory components of cones and rods from the cone-dominant retina of th...
متن کاملMale eastern bluebirds trade future ornamentation for current reproductive investment.
Life-history theory proposes that organisms must trade-off investment in current and future reproduction. Production of ornamental display is an important component of reproductive effort that has rarely been considered in tests of allocation trade-offs. Male eastern bluebirds (Sialia sialis) display brilliant ultraviolet-blue plumage that is correlated with mate acquisition and male competitiv...
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ژورنال
عنوان ژورنال: Blue Jay
سال: 1968
ISSN: 2562-5667,0006-5099
DOI: 10.29173/bluejay3400