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  1. en.wikipedia.org

    The humpback whale (Megaptera novaeangliae) is a species of baleen whale.It is a rorqual (a member of the family Balaenopteridae) and is the only species in the genus Megaptera.Adults range in length from 14-17 m (46-56 ft) and weigh up to 40 metric tons (44 short tons). The humpback has a distinctive body shape, with long pectoral fins and tubercles on its head.
  2. International Whaling Commission

    https://iwc.int › about-whales › estimate

    The IWC presents a 'best estimate' accompanied by a 95% 'confidence Interval' showing a range of plausible values for the population's actual abundance. As an example (taken from the table below) the 1991/92-2003/4 abundance estimate for Southern Hemisphere blue whales is 2,300 with a 95% confidence interval of 1,150-4,500.
  3. fisheries.noaa.gov

    The Years of the North Atlantic Humpback Project in 1992 to 1993 and the follow-up project, More North Atlantic Humpbacks, in 2003 to 2005 were international collaborations to monitor humpback whale populations, investigate human-caused deaths, and conduct various other surveys, including research on humpback songs, across many humpback habitats.
  4. discovermagazine.com

    Oct 26, 2023Prior to commercial whaling, the sperm whale population was likely just under two million in 1710. After the IWC issued the moratorium in 1986, the population began to rebuild. In 1993, there were an estimated 736,000 sperm whales. By 2022, the population had increased to more than 844,000.
  5. Aug 26, 2024The humpback whale (Megaptera novaeangliae) is a species of baleen whale.Standard ecological theory, also known as density dependence, holds that as populations increase, they compete more for food, and eventually it gets harder to find food, resulting in slower growth in body size, lower survival, and lower birth rates, all of which result in slower population recovery at higher abundance.
  6. usatoday.com

    Oct 16, 2019After being almost wiped out by whaling in the 20th century, a humpback whale population off the coast of South America has come back from the brink of extinction. In the late 1950s there were ...
  7. fisheries.noaa.gov

    What is the current humpback whale population along the Atlantic coast? The best estimate for the number of humpback whales that reside in the North Atlantic Ocean, including U.S. Atlantic coastal waters, is 10,400 to 10,752 animals. This estimate is based on a 1992-1993 international study of North Atlantic humpback whales across their known ...
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    Humpback whale

    Species of mammal

    The humpback whale is a species of baleen whale. It is a rorqual and is the only species in the genus Megaptera. Adults range in length from 14–17 m and weigh up to 40 metric tons. The humpback has a distinctive body shape, with long pectoral fins and tubercles on its head. It is known for breaching and other distinctive surface behaviors, making it popular with whale watchers. Males produce a complex song that typically lasts from 4 to 33 minutes. Found in oceans and seas around the world, humpback whales typically migrate up to 16,000 km each year. They feed in polar waters and migrate to tropical or subtropical waters to breed and give birth. Their diet consists mostly of krill and small fish, and they usually use bubbles to catch prey. They are polygynandrous breeders, with both sexes having multiple partners. Orcas are the main natural predators of humpback whales. The bodies of humpbacks host barnacles and whale lice. Wikipedia

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