Videos of newborn animals are going viral this summer, prompting WSJ's Jason Bellini to wonder how long these animals stay with their mothers. Here's #TheShortAnswer.

Watch this unsettling video of an aggressive hippo with incredible speed chasing after a boat full of nervous tourists!

Instead, scientists often use the animal’s distinct calls—which sound like a crying newborn baby, the likely source of their name—to differentiate between closely related species.

One can find baby mammals in the park when conditions favor ... Adult snakes are hunted by formidable animals such as honey badgers, large grey mongooses, and secretary birds, the latter being ...

Females have one baby at a time, which at birth is smaller ... Many millions of these animals roam Australia, and considerable numbers are killed each year for their skins and meat, which is ...

After a 22-month gestation period, this mammal gives live birth to a single baby also known as a calf ... Being warm-blooded means this animal maintains a constant body temperature regardless ...