5 unique mammals that lay eggs instead of giving live birth
When we think of mammals, we usually think of animals that give birth to live babies, like lions or humans. But there’s a ...
Australian Broadcasting Corporation5y
Polar Mammals
At least four different kinds of monotremes that are 110 - 115 million years old are known from fossils found in Australia. Three species of tiny mammal lived in polar Australia 115 million years ...