Native to Brazil, Colombia, Ecuador, and Peru, pygmy marmosets hold the title of the world’s smallest true monkey. They are ...

BOISE, Idaho— The U.S. Fish and Wildlife Service today announced that the pygmy rabbit may warrant protection under the Endangered Species Act. The pygmy rabbit is the world’s smallest rabbit and is ...

Poppy, a pygmy hippo, was born at Metro Richmond Zoo in Virginia on Dec. 9. Her name was selected by online voters.

A female pygmy hippopotamus calf was born at the Metro Richmond Zoo in early December, marking the third calf of the endangered species to be born at the zoo in the last five years, officials said.

How does a pygmy hippo celebrate her birthday? With a watermelon treat and party decorations, of course. The charming Hannah Shirley is the world’s oldest pygmy hippopotamus to ever live in ...

Step aside, Moo Deng: Watch this baby pygmy hippo born in Virginia just before Christmas Pygmy hippos gained traction this summer, with the birth of Moo Deng in Thailand. Videos of Moo Deng have ...

Despite all the attention, Edinburgh Zoo’s pygmy hippo house will be closed to the public for the time being, as the staff continues to monitor Haggis’s development.

With Moo Deng's adorable behavior and panicked expressions going viral, experts weigh in on this lesser-known hippo species evolved from its much larger cousins.

The Royal Zoological Society of Scotland's Edinburgh Zoo announced their own tiny pygmy hippo, named Haggis, was born Oct. 30. The newborn, female calf is "doing well," according to zoo staff.

The United States now has its own baby pygmy hippo to compete with other cute viral hippo babies born in other countries recently.

The yet-to-be named hippo was born Dec. 9 to pygmy hippo parents Iris and Corwin at the Metro Richmond Zoo.