Animals

Migratory species tend to live longer.

They can become a female in adulthood. It happens for example if a dominant female is killed.

Newborn Tasmanian devils weigh between 0.18 and 0.24 grams. Competition in these animals lasts from ...

Martens are anatomically adapted to move efficiently in trees. They have strong forelegs, a long tail that stabilizes the body, and strong claws for grip.

Some crustaceans have a head torso and abdomen, but there are some in which it is impossible to distinguish these elements. In this case, the structure of their body is divided into head and body.

They capture harmful metabolites from the hemolymph and direct them to the cloaca, from where they escape through the anus.

They do not possess a vertebral column.

They dig a burrow system with multiple exits in the ground or under limestone rocks. Burrows are dug ...

Alpacas that feed on silica-rich plants partially wear down their teeth.

Aggression within the species is common and is caused by fighting for space and food. It happens that larger individuals steal prey from younger pikes.