A heartwarming rediscovery has been made on the world’s largest tropical island. Attenborough’s long-beaked echidna ...

New analysis of a 100-million-year-old fossil embedded in a rocky cove in Australia suggests echidnas may have evolved from swimming ancestors. That's basically unheard of: While there are many ...

Six monotremes living in the same place at the same time, 100 million years ago at Lightning Ridge, NSW. Clockwise from lower left: Opalios splendens, a newly described species dubbed an ‘echidnapus’; ...

Rediscovered after 60 years, the funky critter is named for Sir David Attenborough and is one of only five species of monotreme remaining on Earth. By Laura Baisas Published Nov 14, 2023 9:09 AM EST ...

As fellow mammals, you and your pet dog or cat have a lot in common. It’s easy to see the similarities because humans, dogs and cats spend lots of time together. We may even be roommates or family.

Linda Shearwin receives funding from the Australian Research Council. Frank Grützner does not work for, consult, own shares in or receive funding from any company or organization that would benefit ...

Preface -- World distribution of mammals -- Class Mammalia: mammals. Monotremata: monotremes -- Didelphimorphia: Didelphidae : American opossums -- Pacituberculata ...

Indricotherium is the largest land mammal ever discovered. A fully grown adult weighed up to 20 tons. Indricotherium lived in the forests of central Asia between 34 and 23 million years ago. If your ...

Researchers are fiercely debating whether claims about the origins of mammals result from a bias toward Northern Hemisphere fossil sites. By Anthony Ham In 1996, paleontologists made a startling ...

With a beaver’s tail, webbed feet, and a duck’s bill, platypuses are one of the world’s strangest-looking creatures. They are such an unusual mammal that the first scientists to study them believed ...