Echidna genome study unravels the events leading to multiple sex chromosomes
The head-to-tail pairing in monotremes allows the chromosomes to be distributed in an orderly manner to the germ cells and in ...
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 ...
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Egg-laying mammal — feared locally extinct after wildfire — rediscovered in Australia
A trail camera on Clarke Island recorded an echidna for the first time in decades. Photos show the egg-laying mammal once feared locally extinct. Photo from Tasmanian Aboriginal Centre via WWF ...