Facts about Chestnut-backed Chickadee

1. 06

   Acorns and seeds comprise approximately 60 percent of the chestnut-backed chickadee's diet during winter months in Pacific Northwest forests.

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2. 05

   Flocks of chestnut-backed chickadees establish strict linear hierarchies where dominant birds feed first, with subordinate individuals waiting their turn at food sources.

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3. 04

   During spring breeding season, male chestnut-backed chickadees produce a clear two-note whistle called chick-a-dee-dee-dee that can be heard up to 100 meters away in forest habitat.

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4. 03

   At approximately 12 centimeters long, the chestnut-backed chickadee is one of the smallest chickadee species found in North America.

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5. 02

   Chestnut-backed chickadees can remember the locations of up to 200 seed caches they create during autumn to retrieve food throughout winter.

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6. 01

   The chestnut-backed chickadee can lower its body temperature by up to 18 degrees Fahrenheit at night to conserve energy during winter months.

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