"My Mom's Bigger Than Your Mom!"
Giraffes, like camels, can withstand body temperature increases of 3-10 degrees centigrade each day. This fluctuation in their body temperatures allows them to avoid panting or sweating, which wastes needed amounts of water. The giraffe can heat up very slowly due to its large size and then cool down in the night air. This may be one reason why small calves remain in a nursery herd for up to a year. The extra time is necessary to gain enough size to be able to withstand the temperature increases involved in moving and feeding with adults under such an intense African sun.
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