Some mammals, like squirrels, during the winter months.

The first mammals emerged during the period.

As time went on many mammals were and helped humans with their work.

Animals that eat plants are called .

Humans, apes and monkeys belong to a species of mammals called .

Female mammals have that produce milk.

Mammals that raise their young ones in pouches are called .

are hunters who hunt animals illegally and sell their body parts.

are the only mammals that can fly.

The waste of mammals is used as that improves th quality of the soil.