Adaptations
Adaptations of dolphins: how they hunt, breathe and sleep in the sea
Dolphins survive with echolocation, fast deep breaths through a blowhole, blubber, a streamlined body and half-brain sleep. Here is how…
Region
Oceans worldwide
Animals found in Oceans worldwide, and every article about them.
13 animals18 articles
Articles
Conservation & population
Why is Leatherback Sea Turtle Endangered?
The leatherback sea turtle is the largest of all turtles and is one of the most endangered. They are found…
Anatomy & appearance
How long is a blue whale’s tongue?
No one has published a reliable blue whale tongue length. Here's what scientists do know: the tongue turns inside out…
Comparisons
How big is a blue whale? Length, weight and size comparisons
The biggest blue whales reach about 33 m (108 ft) and 150 tonnes. Here are sizes by region, the real…
Comparisons
How Big is a Great White Shark – Great White Shark Size Comparison
The great white shark is a species of large mackerel shark that is found in the coastal surface waters of…
Predators & threats
What eats polar bears?
Adult polar bears have almost no predators apart from people and other polar bears. Cubs are sometimes killed by adult…