Multiple choice

Which of the following birds does not fall from trees when asleep?

  1. Wood pecker

  2. Gull

  3. Warbler

  4. Hawks
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Warblers have a specialized leg structure called the 'anisodactyl' foot arrangement with three toes forward and one backward, allowing them to grip branches tightly while sleeping. Most other birds would fall if they slept while perching without this special adaptation.

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