5 Fascinating Facts About the Southern Right Whale
The Southern Right Whale (Eubalaena australis) is one of the most remarkable creatures in the world’s oceans. Known for their distinctive black bodies and white callosities, these whales are a sight to behold. Despite being a marine giant, much of their behavior and biology remain fascinating and unique. Here are five captivating facts about the Southern Right Whale.
1. Unique Physical Features
The Southern Right Whale has a distinctive appearance, characterized by its robust body and rough skin with white patches of callosities—roughened, wart-like patches on the head and lower jaw. These callosities are actually colonies of tiny crustaceans called whale lice, which give the whale its unique markings. These patches are so prominent that each Southern Right Whale’s callosities are used for individual identification, much like human fingerprints.
2. Known for Their Migrations
Southern Right Whales migrate annually between Antarctica’s cold waters and warmer coasts like Argentina, South Africa, Australia, and New Zealand. They calve in warmer waters, where newborns can grow safely away from predators like orcas.
3. Massive Size and Slow Movements
Southern Right Whales, reaching 50 feet (15 meters) and 80 tons, are among the largest baleen whales. Despite their size, they move slowly at about 5 miles per hour (8 km/h) and often float near the surface, making them easy to spot while whale watching.
4. Vocal and Social Behavior
Southern right whales are highly vocal creatures, with a range of sounds used for communication and navigation. These sounds include moans, groans, and grunts, which can travel long distances underwater. While they are generally solitary, they are often seen in groups, especially during calving season. They engage in social behaviors such as breaching (leaping out of the water) and tail slapping, which may be expressions of communication or play.
5. Conservation Success Story
Once severely hunted to the brink of extinction during the whaling era, the Southern Right Whale has made a remarkable recovery. Due to international conservation efforts and a global ban on commercial whaling, their populations have been steadily increasing. Today, there are estimated to be around 15,000 individuals, and they are no longer considered endangered, though they still face threats from ship strikes and entanglement in fishing gear.