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pro vyhledávání: '"Chelsea D. Coady"'
Autor:
Chelsea D. Coady, Russell D. Dawson
Publikováno v:
The Wilson Journal of Ornithology. 125:348-357
Delayed plumage maturation (DPM) in young males (in their second year of life: SY) of some species of birds has been found to reduce aggression directed at these younger males. Tree Swallows (Tachycineta bicolor) are unusual because it is SY females