Meet the rebels of the animal kingdom. While most mammals gave birth to live young millions of years ago, a small group of creatures decided to stick with eggs. These are the monotremes, and they’re ...

IN Semon's Zoologische Forschungsreisen, Lieferung xxii. (1904), Disselhorst treats of “Die maennlichen Geschlechtsorgane der monotremen und einiger Marsupialen.” On p. 123 are two text ...

Echidnas don't have very good vision, but they have a strong sense of smell and hearing. When they feel threatened, echidnas will roll into a ball so that only their spiky back is exposed. Echidnas ...

Discover interesting facts about echidnas, the strange platypus relative with spines, spurs and a pouch.

Echidna. Image via Unsplash Echidnas, also known as spiny anteaters, belong to the family Tachyglossidae and are classified as monotremes—mammals that lay eggs rather than giving birth to live young.

The search for the secret of monotreme sex The Australian platypus and echidna are monotremes, the most ancient living group of mammals. These unique creatures are famously the only mammals to lay ...

The platypus, a native of eastern Australia, is a puzzling creature with features from birds, mammals, and reptiles. Male ...

SOUTH BEND, Ind. -- The Potawatomi Zoo announced it is welcoming a new ambassador animal, Teddy the short-beaked echidna. Zoo officials say Teddy was recently moved to Potawatomi from another ...

Unlike most mammals, platypuses don’t give birth to live babies. Instead, they lay eggs, just like birds or reptiles. They belong to a very small group of egg-laying mammals called monotremes.