00:01Have you ever wondered why baby birds keep their mouths wide open all the time?
00:09Those wide open mouths are actually a powerful signal saying,
00:14Feed us.
00:20While the babies wait, their parent works tirelessly searching for insects.
00:32The moment the parent returns, every chick competes to be fed first.
00:40The bright yellow mouth helps parents quickly see where to place the food, even in dim light.
00:50Nature designed baby birds' birds perfectly for survival.
00:54Follow for more amazing animal facts.
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