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

Echidnas, also called spiny anteaters, are some of the weirdest mammals in the world. They're among the only mammals that don't give birth to live babies, and they also carry their young in a pouch.

Spiny, snooty, and strange, echidnas are among Australia's wackiest animals. They're mammals, which means they feed their young milk, but only after the puggle (that's the word for a newborn echidna) ...

A sweet, little echidna baby was hatched at the San Diego Zoo Safari Park for the first time in its history earlier this year, according to the city staple. The echidna baby, which is called an ...

Microbial communities in echidna pseudo-pouches undergo dramatic changes while the animal is lactating, says the University of Adelaide's Isabella Rose Wilson. Research from the University of Adelaide ...