Whale song, though technically not a language, is organized in a familiar pattern.

Whales are known for their songs. However, experts say some of those that still have natural predators will often sing extremely low notes to remain stealthy.

It is not a real surprise that the smallest birds in the world belong to the family Trochilidae, commonly known as hummingbirds. However, even within the hummingbird family, there are large ...