Considering how small and light they are, birds are very big eaters.
Since birds do everything quickly, they fly quickly, they run quickly, even their hearts beat quickly, birds need a lot of food energy to keep going.
Most birds eat half their weight in food every day. That’s like a 100-pound person eating 50 pounds of food in a day. And some young birds eat more than their weight in food every day.
Scientists watching a mother wren feeding her chicks found that she brought food back to her nest more than 1,200 times in 24 hours.
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