Beluga whale
Delphinapterus leucas
Biome
Oceans & coasts
Meet the animals of oceans & coasts and read what we know about how they live there.
18 animals31 articles3 habitats inside
Animals: Oceans & coasts
Beluga whale
Delphinapterus leucas
Blue whale
Balaenoptera musculus
Dolphins
Elephant seals
Great white shark
Carcharodon carcharias
Humpback whale
Megaptera novaeangliae
Killer whale
Orcinus orca
Kodiak bear
Ursus arctos middendorffi
Leatherback sea turtle
Dermochelys coriacea
Megalodon
Otodus megalodon
Penguins
Peregrine falcon
Falco peregrinus
Pufferfish
Sea turtles
Vaquita
Phocoena sinus
Walrus
Odobenus rosmarus
Whale shark
Rhincodon typus
Whales
Articles
Pet care
A Guide to Caring for and Raising a Baby Puffer Fish
Picture those hours after a long, grueling day at work. All you want to do is relax, and you’re looking…
Speed
Peregrine Falcon Speed: How Fast Can Peregrine Falcons Dive?
The Peregrine Falcons can dive at the speed of 240 miles per hour. Falcons are well known as the fastest…
Conservation & population
Megalodon Extinction: Why Did Megalodon Go Extinct?
Megalodon was a massive prehistoric shark. These enormous and frightening sharks lived 23 million years ago. They were large marine…
Diet & feeding
Sea Turtle’s Diet: What Do Sea Turtles Eat?
Sea turtles are some of the most iconic creatures in the ocean, and they play a vital role in marine…
Life cycle & reproduction
What happens when a whale dies? Whale falls, floating carcasses and strandings
A dead whale sinks, floats or washes ashore. On the deep seafloor it becomes a whale fall that feeds hagfish,…
Senses
Do beluga whales use echolocation?
Yes. Belugas send out high clicks through their melon and listen for echoes to find fish and breathing holes in…
Size & weight
How much does a beluga whale weigh?
Adult belugas average about 1,430 kg (3,150 lb), and big males reach about 1,900 kg. Calves weigh 41–59 kg at…
Predators & threats
What eats a blue whale?
Only killer whales are known to hunt blue whales; the first confirmed kills were off Australia in 2019 and 2021.…
Records & rankings
What is the biggest bear in the world?
The polar bear and the Kodiak brown bear tie as the world's biggest bears. An extinct South American bear, Arctotherium,…
Predators & threats
What Eats Penguins? What Preys On Penguins?
Penguins are flightless seabirds from the order Sphenisciformes and family Spheniscidea. There are 17 to 19 living species of penguins…
Anatomy & appearance
What do beluga whales look like?
Adult belugas are pure white, 2.6–4.5 m long, with a round, flexible forehead, no dorsal fin and a neck that…
Predators & threats
What eats humpback whales?
Killer whales are the only regular predators of humpback whales, and they go after calves. Sharks almost never kill a…