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More information about the Southern Right Whales visiting Hermanus during whale-watching season.
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The World's best land based whale watching spot
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(Eubalaena australis) The Southern Right Whale is a baleen whale, which means that instead of teeth it has long plates hanging from the top jaw. These baleens work like a sieve when the whale feeds. The Southern Right Whale got its name during the time when they were hunted. They were reffered to as the "right" whales to kill because they would float when dead (which made it easy for the whalers to find them in the ocean and transport them back to the whaling station. These whales have a large amount of oil (also called blubber) and baleen. They are named "Southern" as there are two species worldwide of Right Whales, one in the Northern Hemisphere and the South African species in the Southern Hemisphere. The Southern Right differs from most other whales in the following ways: The Southern Right Whale is a migratory whale, which means that they spend one season in one place and the rest of the year in another, and travel long distances between these seasons. In summer (December through May), they are in the cold polar regions of the Southern Hemisphere where food (mainly krill) is present and in quantity. Winters (June through November) are spent around the shallow coastal waters of Southern Africa, South America and Australia. Our coast is exactly what they need during this season.The shallow, sandy-bottomed and sheltered bays are perfect for mating, calving, nursing their young and resting. One female will mate with a number of males. There can be even up to 8 males at a time trying to mate with one female. During mating, there is a lot of activity on the surface (splashing, pushing, shoving, large and frequent blows). The males producing the most sperm is probably the father of the calf. This mating strategy is known as sperm competition. Females usually have one calf every three years. gestation (pregnancy) is about 13 months. Most calves are born during August. They have an average length of 6.1 meters (20 feet). They suckle for 4 to 8 months and drink up to 600 liters of milk per day growing 3 cm (1.2 inch) per day. The mothers apparently do not feed during this season but live on the blubber they store up during the summer feeding season closer to Antartica. After the mating and calving season ends (November / December), the Southern Right Whales move South. By April they are between 50 and 55 degrees South (2000 kilometers or 1300 miles South of Cape Town) where they then feed.
Females measure about 13.9m and males are
generally slightly smaller, average weight estimated 41 tonnes.
They have a life expectancy of about 50
years.
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