These special creatures are called monotremes, and they are some of the most unique animals in the world. Found mainly in Australia and New Guinea, there are only a few species of monotremes ...

This research paper, published in Open Biology, was based on Jackson's fascination with the evolution of unique animal body plans. According to Jackson, the more we know about monotremes—and all ...

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 ...

The short-beaked echidna (Tachyglossus aculeatus) is one of Australia's most iconic animals. Belonging to a unique group of ...

As you can see, a number of modern animals—including birds—are depicted along the top of the cladogram in Figure 1. Note, however, that the cladogram does not imply that modern monotremes ...