The docuseries “Secrets of the Penguins” by National Geographic captured footage of several rare penguin chicks for the very first time. Their parents are a mixed-species couple: a rockhopper mother ...

Penguins of all sorts are beloved birds, known for their quirky appearance and endearing waddle. Macaroni penguins are ...

Hybrid animals are the offspring when two separate species of animals that mate. A well-known hybrid, for example, is a mule. A mule is the cross between a male donkey and a female horse.

Why Are Hybrid Rockaroni Penguins So Rare? Hybrid animals are the offspring when two separate species of animals that mate. A well-known hybrid, for example, is a mule.