Most mammals tend to live in social groups so usually females in the group will take it in turns to to care for the babies while other females find and bring back the food then, all the females will...
The egg-laying mammals, or monotremes, are the platypus, the long-beaked echidna and the short-beaked echidna.
Yes they can because, a wolf can eat a deer and they are both mammals. So that means that a mammal can eat another mammal.
Thru vocal chords. If you want to be more specific, then ask a more specific question
An Orca because they are quite aggressive and if cross anoter species of whale (or another pod of orca) they will battle it out.