All birds vary greatly in appearance: feathers, tails, paws, color and size. Their beaks: they all have a form adapted to eat certain foods.
- Parrot - must split tree seeds.
- Toucan - Flatten tropical fruits.
- Klest-elovik - feeds on spruce seeds and hard berries.
- Woodcock digs swamp mud in search of insects and larvae.
- Kingfisher Catches fish in the rivers.
The feathers that cover the wings are able to fan out. This allows the birds to fly. Feathers warm them in the cold. Sometimes feathers and down can be very beautifully colored.
The smallest
The smallest birds in the world are hummingbirds. Their nest can easily fit in a teaspoon. They live in America.
Predator birds
There are birds that grab prey in flight or throw themselves at it from above. These are birds of prey, they have a curved beak and powerful limbs.
Destroy insects
Even those birds that steal grain from the fields are still very useful. They are truly great insect hunters. If there are many birds on the field, there is no need to spread poisonous substances on it to protect plants from pests.
Night hunters
There are birds that hunt exclusively at night. They can fly silently and see well in the dark. This is above all: an owl and an owl.
Some birds make very long flights every year - from one continent to another.