Black-capped Chickadee illustration
Birdsong field guide

Black-capped Chickadee

Poecile atricapillus

A small, inquisitive songbird known for its round body, oversized head, and distinctive black cap and bib. It is a frequent visitor to backyard feeders and exhibits remarkably bold behavior around humans.

What it sounds like

A clear, whistled 'fee-bee' song and a namesake 'chick-a-dee-dee-dee' alarm call.

Reference call, compare with what you heard
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Rec. Valerie Heemstra · United StatesCC BY-NC-SAXeno-canto

Field notes

  • Every autumn, they allow neurons containing old information to die, replacing them with new ones to help remember thousands of seed cache locations.
  • The number of 'dee' notes at the end of their namesake call indicates the proximity and threat level of a nearby predator.
  • On cold winter nights, they can lower their body temperature by up to 12-15°C to enter a state of regulated hypothermia and conserve energy.
  • They are socially complex birds that live in dominance hierarchies, where high-ranking individuals have preferential access to food sources.
  • Their thick winter plumage provides such efficient insulation that it can maintain a 100-degree Fahrenheit difference between their skin and the outside air.
Habitat
Deciduous and mixed forests, open woodlands, parks, and suburban yards.
Range
Northern and central United States and throughout most of Canada.

Similar & commonly confused birds

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