black-capped chickadee

bird

Also known as: Parus atricapillus, Poecile atricapillus

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June 22, 2026

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The black-capped chickadee (Poecile atricapillus) is a North American bird species belonging to the family Paridae. The name "chickadee" is derived from their characteristic call notes. This particular species, measuring about 13 cm (5 inches) in length, is identifiable by its distinctive black cap and bib. It is also sometimes referred to as the willow tit.12

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animal social behavior
Dominance
…role in mating patterns in black-capped chickadees (Poecile atricapillus), where more dominant males tend to mate with more dominant females. Higher-status pairs then experience greater overwinter survival, presumably compete more effectively for high-quality breeding space, and produce more offspring.
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…role in mating patterns in black-capped chickadees (Poecile atricapillus), where more dominant males tend to mate with more dominant females. Higher-status pairs then experience greater overwinter survival, presumably compete more effectively for high-quality breeding space, and produce more offspring.
Read More