UNIDAD

7 Biodiversity and the history of life on Earth

BIRDS’ BEAKS

Natural Science 1. Secondary Education

UNIDAD

3UNIT

7 Birds’ beaks

Natural Science 1. Secondary Education

Birds that feed on insects

Woodpeckers peck tree trunks to extract insects.

They have a strong, straight beak.

UNIDAD

3UNIT

7 Birds’ beaks

Natural Science 1. Secondary Education

Birds that feed on seeds

A hen has a short conical beak with sharp edges.Hens feed on seeds and

use their beaks to break them.

UNIDAD

3UNIT

7 Birds’ beaks

Natural Science 1. Secondary Education

Birds that feed on meat

Eagles hunt their prey and they tear the skin and meat with the help of their beaks.

They have strong, hooked beaks.

UNIDAD

3UNIT

7 Birds’ beaks

Natural Science 1. Secondary Education

Birds that feed on fish

Pelicans use the pouch under their beaks to fish and then transport the fish. With the hook on the end of their beaks they hold their prey so that they cannot escape.

A pelican has a huge beak with a membranous pouch which ends in a hook.

UNIDAD

3UNIT

7 Birds’ beaks

Natural Science 1. Secondary Education

Birds that feed on nectar

Hummingbirds feed on the nectar they extract from flowers with the help of their beaks.

They have very long, thin beaks.