Animals

Females are larger than males and measure up to 54 centimeters.

They usually hunt alone.

They are not very acrobatic, contrary to other dolphins.

One female breed once a year.

They have a fairly good memory.

Earthworms are used to compost organic waste.

The protein hemocyanin is responsible for the blue color of octopus blood.

The name okapi comes from the language of the local African tribe Mbuba from the word o'api.

They are very territorial birds.

The circulatory system of snails is open. This means that hemolymph (equivalent to blood) is pumped into the body cavities surrounding the internal organs.