2. There are about 10.000 living species. TheyThere are about 10.000 living species. They
are the largest number of vertebrates of theare the largest number of vertebrates of the
world. They can live in the Artic and theworld. They can live in the Artic and the
Antarctica. Many of the species migrate longAntarctica. Many of the species migrate long
distances.distances.
3. They share some common characteristics:They share some common characteristics:
- They are vertebrates. They have a very light- They are vertebrates. They have a very light
weigh but strong skeleton.weigh but strong skeleton.
-They have two legs and can stand, walk and run.-They have two legs and can stand, walk and run.
-They are `` warm-blooded ´´ animals.-They are `` warm-blooded ´´ animals.
- They have a beak with no teeth.- They have a beak with no teeth.
- They have got wings covered with feathers.- They have got wings covered with feathers.
4.
5. The woodpecker, piculets, wrynecks, and
sapsukers are a family, the Picipae family.
There are about 200 species.
6. Parrots also know as psittacines are
birds. There are around 372 species.