Discover more about the egg-laying monotremes of Oceania and the ancient traits they still carry.

Jars of tiny platypus and echidna specimens, collected in the late 1800s by the scientist William Caldwell, have been discovered in the stores of Cambridge's University Museum of Zoology. Jars of tiny ...

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 ...

Monotremes are unique mammals that lay eggs, but their limited geographic ranges make them vulnerable. We explain why.

For the first time since 1961, researchers have rediscovered the elusive Attenborough’s long-beaked echidna in the remote rainforests of Indonesia. An expedition crew led by Oxford University ...

An expedition through an unpredictable, perilous mountain range in Indonesia’s province of Papua led to the rediscovery of a critically endangered egg-laying mammal that hasn’t been seen for more than ...

Q. When we studied high school biology, our teacher said more than 99% of animals lay eggs and only a few give live birth. That percentage seems too high. Humans, dogs, cats and cows are ...

The newly discovered Caldwell echidna specimen (photo by Jacqueline Garget; all images courtesy University of Cambridge Museum of Zoology) You know the type: rule-breaker, defies categorization, total ...

Q. When we studied high school biology, our teacher said more than 99 percent of animals lay eggs and only a few give live birth. That percentage seems too high. Humans, dogs, cats and cows are ...