Humpback Whale

Common Name:
Humpback Whale
Scientific Name:
Megaptera novaeangliae
Type:
Mammals
Diet:
Omnivore
Group Name:
Pod
Size:
48 to 62.5 feet
Weight:
40 tons
IUCN Red List Status:
Least concern
Current Population Trend:
Increasing

Humpback whales are found in every ocean in the world. Their Latin name, Megaptera novaeangliae, means "big wing of New England." It refers to their giant pectoral fins, which can grow up to 16 feet long, and their appearance off the coast of New England, where European whalers first encountered them. They have dark backs, light bellies, pleats on their throats, and a small hump in front of their dorsal fin, leading to the common name of "humpback."

Whale Songs

Humpback whales are known for their magical songs, which travel for great distances through the world's oceans. These sequences of moans, howls, cries, and other noises are quite complex and often continue for hours on end. Scientists are studying these sounds to decipher their meaning. It is most likely that humpbacks sing to communicate with others and to attract potential mates. Humpback calves are known to "whisper" to their mothers.

Behavior and Parenting

These baleen whales are found near coastlines, feeding on tiny shrimp-like krill, plankton, and small fish. Humpbacks migrate annually from summer feeding grounds near the poles to warmer winter breeding waters closer to the Equator. Mothers and their young swim close together, often touching one another with their flippers with what appear to be gestures of affection. Females nurse their calves for almost a year, though it takes far longer than that for a humpback whale to reach full adulthood. Calves do not stop growing until they are ten years old.

Swimming, Breaching, and Displays

Humpbacks are powerful swimmers, and they use their massive tail fin, called a fluke, to propel themselves through the water and sometimes completely out of it. These whales, like others, regularly leap from the water, landing with a tremendous splash. Scientists aren't sure if this breaching behavior serves some purpose, such as cleaning pests from the whale's skin, or whether whales simply do it for fun. A favorite of whale watchers, they also slap the water with their flukes and pectoral fins, rise nose-first out of the water (called "spyhopping"), and do penducle throws, a behavior unique to this species in which they raise their entire rear torso and tail out of the water, twist, and slam their lower half down onto the ocean surface. Rarer displays include flaping their fins like wings and occasionally gathering in "super groups" of as many as 200, though scientists don't know why.

Conservation

Humpback whale numbers were severely reduced before the 1985 ban on commercial whaling, but the numbers in many population groups have since improved. Today, the biggest threats to humpback whales are collisions with ships and entanglement in fishing gear.

This photo was submitted to Your Shot, our photo community on Instagram. Follow us on Instagram at @natgeoyourshot or visit us at natgeo.com/yourshot for the latest submissions and news about the community.
This photo was submitted to Your Shot, our photo community on Instagram. Follow us on Instagram at @natgeoyourshot or visit us at natgeo.com/yourshot for the latest submissions and news about the community.
Photograph by Anuar Patjane Floriuk, National Geographic Your Shot

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