Inheritance Patterns of Plumage Morph in Swainson's Hawks
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چکیده
منابع مشابه
analyzing patterns of classroom interaction in efl classrooms in iran
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Molt and Plumage Patterns
Identification of birds not only means identifying the species of an individual, but also can include identifying its subspecies, sex, and age. Field identification of the age and sex of a bird can be important for studying many aspects of avian ecology and evolution, including life history evolution, reproductive ecology, and behavioral ecology. Ornithologists use a variety of characteristics ...
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For as long as dinosaurs have been known to exist, there has been speculation about their appearance. Fossil feathers can preserve the morphology of color-imparting melanosomes, which allow color patterns in feathered dinosaurs to be reconstructed. Here, we have mapped feather color patterns in a Late Jurassic basal paravian theropod dinosaur. Quantitative comparisons with melanosome shape and ...
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Parents may adapt their offspring sex ratio in response to their own phenotype and environmental conditions. The most significant causes for adaptive sex-ratio variation might express themselves as different distributions of fitness components between sexes along a given variable. Several causes for differential sex allocation in raptors with reversed sexual size dimorphism have been suggested....
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ژورنال
عنوان ژورنال: Journal of Raptor Research
سال: 2010
ISSN: 0892-1016
DOI: 10.3356/jrr-09-83.1