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What is the gestation period of a blue whale?
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Blues feed in the polar seas during the warmer months and migrate to warmer seas in winter to breed and give birth to calves. Females are pregnant for 12 months and give birth to a calf that may weigh three tons and be 25 feet long.

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Blue whale pregnancies last about one year with calves typically born in December to February in low latitudes. Newborn blue whales are big babies! They can reach about 23 feet in length and can weigh 5,000 to 6,000 pounds at birth.
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The gestation period of a blue whale is approximately 10 to 12 months. After this period, the mother blue whale will give birth to a single calf.
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Blues feed in the polar seas during the warmer months and migrate to warmer seas in winter to breed and give birth to calves. Females are pregnant for 12 months and give birth to a calf that may weigh three tons and be 25 feet long.
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Blues feed in the polar seas during the warmer months and migrate to warmer seas in winter to breed and give birth to calves. Females are pregnant for 12 months and give birth to a calf that may weigh three tons and be 25 feet long. amazing 
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The gestation period of a blue whale (Balaenoptera musculus), which is the largest known animal on Earth, is estimated to be around 10 to 12 months. During this period, the female blue whale carries the developing fetus inside her womb. After the gestation period, she gives birth to a single calf, which is already a significant size at birth, measuring around 23 to 27 feet (7 to 8 meters) in length and weighing several tons. The extended gestation period of the blue whale is necessary for the growth and development of such a massive species.
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The gestation period of a blue whale, the largest animal on Earth, is estimated to be around 10 to 12 months. After mating, the female blue whale carries the developing fetus in her womb for this extended period. When the gestation period ends, she gives birth to a single calf, which is already several meters long and weighs several tons. The newborn blue whale relies on its mother's milk for nourishment until it is able to feed independently.
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It has been observed that the blue whale pregnancies last about one year. Newborn blue whales are big babies. They can reach about 23 feet in length and can weigh 5,000 to 6,000 pounds at birth.
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