Orcas (killer whales)

How do killer whales reproduce?

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May 22, 2014 1:41AM

They reproduce sexually when the male orca ferilizes the female's egg. The female orce gives live birth to a calf about every 5 years. And can usually continue reproduce until the age of 40. They nurse their calf for around 2 years but the calf is able to eat food at 12 months old.
Adult killer whales give birth to a single baby (only once were twins recorded) about every 3-10 years. They start breeding at about 14-15 years of age (the youngest known was only 11). Gestation is 16-17 months. Babies nurse for about one year. Almost half of all the babies die within their first year. Females only breed for about 25 years then they stop when they are about 40 years old. Thus, each female only produces about 4-6 surviving offspring in her life.
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