It may look silly, but it serves an important purpose.

OCEANS
A new study on whale vocalizations shows that Caribbean sperm whales all use a certain acoustic pattern that’s not heard outside of the region.
A new study suggests that octopuses aren’t as asocial as we thought, and that their color-changing abilities aren't just camouflage.
These vocal cetaceans native to Arctic waters are nicknamed the "canaries of the sea," and can even mimic human speech.
During the winter, they switch from a 24-hour day governed by sunlight to a 24.8-hour lunar day governed by the phases of the moon.
Leopard sharks that can’t smell find it harder to find their way home, a study in California finds.
The aptly named shark is cloaked in black from head to tail and emits a faint blue glow.