different bird species have different beaks?

Each bird has a beak with a shape, size and structure adapted to its way of life, especially to the food it eats.

they have very distinct shapes?

The ibis has a curved beak, for digging the ground in search of insects. The pelican has an enormous beak, with a pouch for fishing. The hummingbird’s beak is long and thin, for the bird to reach the nectar of flowers.

they never stop growing?

All beaks are made of the same substance, a bone structure with a layer of keratin (a protein also found in human nails and hair) that grows throughout the bird’s life.

they can be used as tools? 

Crows, for example, which are super intelligent, have been seen using their beaks to catch hidden larvae.

they change color? 

The beaks of puffins and mallards change color to attract mates.

they can act as “air conditioners”?

The toucan’s beak releases heat, thus helping to control body temperature.

Sources: Petz, Superinteressante, BirdWatching, Nordic Visitor and The Island Packet.

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