Tell apart the three beak shapes for hard seeds, for nuts and fruits, and for flesh.
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Sparrow and pigeon crush seeds; parrot cracks nuts with a curved beak
Birds, like the sparrow and pigeon, have a short and hard beak. They use it for crushing seeds and grains, thereby making them soft before eating.
The chapter's close head photographs of three seed and nut eaters
The sparrow and pigeon have short, hard crushing beaks, while the parrot has a curved beak.
Two questions separating the crushing beak from the curved beak
A sparrow uses its short and hard beak for—
Eagle and vulture have strong, hard, curved beaks for tearing flesh
Some birds, like the eagle and vulture, eat flesh. Such birds have a strong, hard, and curved beak that helps them to tear the flesh.
The chapter's close photographs of two flesh-eating birds
Both the eagle and vulture possess strong, hard, and curved beaks that help them tear flesh.
Pair the three beak types so far with the food each one handles
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