File:Sperm whales.jpg
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Sperm Whale Cow and Calf
(Physeter macrocephalus)
These whales were given their common name because of a waxy liquid called "spermaceti" located in their head.
Sperm Whale Facts
- Sperm whales live at least 60-70 years.
- Sperm whales form “nursery schools” that contain between 20 and 30 whales; females, calves, and juveniles (male and female).
- The brain of a sperm whale is the largest of any animal, about 9 kilograms.
- Adult males (bulls) reach 15.24 metres (50 feet) in length and weigh 54,400 kilograms (120,000 pounds, 60 tons).
- Adult females (cows) reach more than 36 feet and weigh 25,000 kilograms (55,000 pounds, 27.5 tons).
- Newborn (calves) are about 13 feet long and weigh only 1,000 kilograms (2,200 pounds, 1.1 tons).
- a calf is born to a female only every 4-6 years.
- calves stay with the mother for between 1 and 2 years.
(Data: NOAA USA PDF)
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http://en.wikipedia.org/wiki/File:Mother_and_baby_sperm_whale.jpg
http://www.flickr.com/photos/barathieu/7277953560/
Image: Gabriel Barathieu
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Yi efo/eka'e gwa ebo wo le nyangagi wuncin ye kamina wunga tinya nan
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|---|---|---|---|---|---|
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