Right whales 12 months. The offspring are born during the migration process in most instances. Depending on the particular species of whale, a gestation period can be anywhere between 9 to 16 months. Scientific Name: Balaenoptera edeni. Scientific Name: Balaenoptera edeni. The African elephant has the longest gestation period followed by the Asian Elephant & Sperm Whale. Antarctic Minke Wha... Baird's beaked whal... Blainville's Beaked... Blue whale. This period is not same for all species of whales. The gestation chart is when you had to count the days until your horse’s due date. The average gestation period for a whale is 11-12 months.Female blue whales give birth to their young about once every two to three years after a year-long gestational period. The gestation period of humans is 266 days, 8 days short of nine months. Family: Balaenopteridae. Story continues below advertisement. The walrus is identified through massive tusks that they possess. 3 … The gestation period of a whale is 12 months. Unlike the baleen whales, sperm whales are active predators, specializing on large squids in the deep sea but also eating large bony fishes and sharks. Scientists do not actually know most biological factors concerning the majority of whales and their babies! Toothed whales have longer gestation periods. The gestation period for horses is 320 – 370 days counting from the first day of mating. "I am very, very hopeful it will be born a girl, because we need females in this population," said Giles, adding the pod has few breeding-age female whales. The foaling date would be displayed instantly. Humpback whales reach sexual maturity at 6-10 years of age or when males reach the length of 35 feet (11.6 m) and females reach 40 feet (12 m). It varies depending on the species. Babies nurse for about one year. A humpback whale calf is between 10-15 feet (3-4.5 m) long at birth, and weighs up to 1 ton (907 kg). The foaling date would be displayed instantly. For more on the threats to the southern resident killer whales and the efforts to save them, check out CBC British Columbia's original podcast Killers: J pod on the brink, hosted by Gloria Macarenko. A blue whale calf can drink 250 litres of its mother's milk every day. This is longer than that of the blue whale, which is one year. Long-finned pilot w... Melon-headed whale. For mammals the gestation period is the time in which a fetus develops, beginning with fertilization and ending at birth. Females only breed for about 25 years then they stop when they are about 40 years old. The calf stays with its mother for up to 24 months and is gradually weaned during that time. When born the calf immediately swims to the surface for oxygen. The females capable of breeding return to the Valdés Peninsula area every 3 years in search for safe quiet waters to bear only one calf. Killer whale. Bowhead whale. There are currently 72 southern resident killer whales alive in three area pods. The calf is born tail first after a 12 month pregnancy, and it weighs 6,000 pounds. Black Rhinoceros (450 days) The black rhino is one of the two rhinoceros species that inhabit Africa … Animals related to each other usually have similar gestation periods. By comparison, a human pregnancy lasts an average of 280 days, … Females usually give birth to a calf once every two or three years after a gestation period (pregnancy) of up to 12 months. How Long are Horses Pregnant? The Mare Gestation Calculator is a much easier process to use than the typical Mare Gestation Chart. Some species of dolphins have a gestation period of 17 months and sperm whales carry their young for up to 19 months. Newborn calves average 16 ft(4.9 m) in length and weigh about 1,500 lbs(680 kg). Story continues below advertisement. They start breeding at about 14-15 years of age (the youngest known was only 11). The average gestation period of an elephant is about 640 to 660 days, or roughly 95 weeks. Whales Whales have one of the longest gestation periods of any mammal. The gestation period for orcas is usually 18 months. Adult killer whales give birth to a single baby (only once were twins recorded) about every 3-10 years. Whales, the largest living creatures on Earth also have one of the longest gestation period – estimated between 12 and 16 months. Sperm whale 16 months. And while Giles is "cautiously optimistic" about the possibility of a new J pod whale, she says about 50 per cent of newborn calves do not survive the first year and if this one does, the chinook salmon the pod relies on for food is already in short supply. Usually only one calf is born, although twins do occur. Females only breed for about 25 years then they stop when they are about 40 years old. This question is taken from the quiz : Whales . Interpreting a mother orca's actions, How toxic food and toxic water could be killing the killer whales, Losing language, children, culture: Parallels drawn between endangered orcas and Indigenous experiences, CBC's Journalistic Standards and Practices. Rhinos have a gestation period of about 450 days. Adult killer whales give birth to a single baby (only once were twins recorded) about every 3-10 years. Almost half of all the babies die within their first year. This site is … It will also depend on how far they migrate and what their migration time frame is. Many such biological characteristics have an explanation in terms evolutionary survival value. What Do False Killer Whales Eat? According to whalefacts.org, the mean gestation period for a whale is 14 months. Please note that CBC does not endorse the opinions expressed in comments. 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