Learn about:
Orcas
Orcas, also known as killer whales, are the ocean’s top predators — smart, social, and powerful! These black-and-white whales travel the seas in close-knit family groups called pods, working together to hunt and play. With their amazing intelligence and playful personalities, orcas show just how connected and remarkable life in the ocean can be.
7 amazing facts about orcas (Orcinus orca):
- Orcas are actually dolphins! Even though they’re called killer whales, orcas are the largest members of the dolphin family, Delphinidae. They share traits like the ability to echolocate, playful behavior, and incredible intelligence with their smaller dolphin cousins.
- Orcas travel, hunt, and play in tight family groups called pods that can include dozens of members. Each pod has its own unique sounds, like clicks, whistles, and calls, almost like a family accent, so they can recognize one another across the ocean!
- Orcas are world travelers. From icy Arctic waters to warm tropical seas, orcas can be found in every ocean on Earth. Some pods stay in one region, while others roam thousands of miles each year following their favorite foods.
- Orcas are the oceans' apex predators, even more dangerous than great white sharks. These incredible hunters that use teamwork to catch their prey. Some pods herd fish into tight groups for easy picking, while others tip over entire ice floes to catch seals — and every pod teaches its young their own unique hunting tricks!
- Orcas use echolocation to “see” underwater. Sound travels faster in water than in air, and orcas take full advantage of that! They make clicking sounds and listen for the echoes that bounce back, helping them find fish, ice, and even other whales in the dark depths of the sea.
- Baby orcas are called calves. A baby orca stays close to its mother for years, learning how to swim, hunt, and communicate. Orca moms are super protective — and the whole pod helps care for new calves.
- Orcas are ocean geniuses. They can recognize themselves in mirrors, learn new behaviors, and even imitate human sounds. Their brains are among the largest of any marine mammal, showing just how smart life beneath the waves can be!
Click a spot to learn more about killer whales:
Tails powerful enough to launch a whale out of the water
An orca’s tail, called a fluke, is made of tough muscle and fibrous tissue — but no bone. They use it to swim up to 35 miles per hour, slap the surface of the water to stun prey, and even leap high into the air in an acrobatic move called a breach.
Those white patches aren’t just for good looks
The bold black-and-white pattern on an orca’s body helps it blend into the ocean. When seen from above, its dark back hides it in deep water, and when seen from below, its white belly blends with the sunlight — a clever kind of camouflage called countershading.
A dorsal fin bigger than any shark's
A male orca’s dorsal fin can reach up to 6 feet tall — that’s as tall as an adult human! These tall fins help orcas steer through the water and may even show who’s who in a pod, since each fin has a unique shape and notch pattern, like a fingerprint.
Orcas are some of the smartest animals on Earth
They can solve problems, learn new tricks, and even teach one another hunting skills. Orcas recognize family members by sound, work together to plan hunts, and have strong memories — some scientists think their intelligence rivals that of chimpanzees and elephants.
Orcas have big mouths full of sharp teeth
An adult orca can have up to 56 conical teeth, each sharp and pointed and 3 inches long — perfect for grabbing slippery fish or tearing larger prey into pieces. Unlike many whales, orcas don’t just swallow their food whole, they rip it into chunks with powerful jaws!
Watch a pod of orcas as they frolic and play!
