Animals

Most octopuses are predators.

All turtles lay their eggs on land, although copulation occurs in different environments.

Their droppings, called guano, were used as fertilizer.

They are caught and used as bait to catch eels.

Narwhal skin is very rich in vitamin C.

There are three subspecies in the family: the Amazon river dolphin, the Bolivian river dolphin (found in the Madeira River), and the Orinoco river dolphin (found in the Orinoco basin).

Axolotls that undergo metamorphosis change their physiology.

Aquatic species can swim at 30 km/h.

Woodpeckers are most often victims of birds of prey.

Laughing kookaburras are carnivorous.