Elephants have the longest pregnancy in the animal kingdom at 22 months. The longest human pregnancy on record is 17 months, 11 days.
That was quick!
Possums have one of the shortest pregnancies at 16 days. The shortest human pregnancy to produce a healthy baby was 22 weeks, 6 days -- the baby was the length of a ballpoint pen.
Whoa, big family!
A female oyster produces 100 million young in her lifetime, the typical hen lays 19 dozen eggs a year, and it is possible for one female cat to be responsible for the birth of 20,736 kittens in four years. Michelle Druggar holds the record for largest human family, having given birth to 17 children.
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Never grow up.
Chimpanzees have the longest childhoods (apart from humans), staying with their mothers for up to 7 years. These days human children have been taking longer and longer to leave home -- with more than 50% of adults under 24 still living with mom and dad. In 2006, the phenomenon was so big that it became the premise for a Hollywood movie called "Failure to Launch."
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Got milk?
Whale Calves nurse for 7 to 8 months and are weaned when they reach 52 feet (16 m) in length. At that time they weigh about 23 tons (20,900 kg). During the nursing period, calves consume 100 gallons of the fat-rich mother's milk each day. By comparison, human babies consume a little over 3 cups of their mother's milk on a daily basis.
A female oyster produces 100 million young in her lifetime, the typical hen lays 19 dozen eggs a year, and it is possible for one female cat to be responsible for the birth of 20,736 kittens in four years. Michelle Druggar holds the record for largest human family, having given birth to 17 children.
Never grow up.
Chimpanzees have the longest childhoods (apart from humans), staying with their mothers for up to 7 years. These days human children have been taking longer and longer to leave home -- with more than 50% of adults under 24 still living with mom and dad. In 2006, the phenomenon was so big that it became the premise for a Hollywood movie called "Failure to Launch."
Got milk?
Whale Calves nurse for 7 to 8 months and are weaned when they reach 52 feet (16 m) in length. At that time they weigh about 23 tons (20,900 kg). During the nursing period, calves consume 100 gallons of the fat-rich mother's milk each day. By comparison, human babies consume a little over 3 cups of their mother's milk on a daily basis.
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