The earth's axis of rotation wobbles like a spinning top. There are two periods (a wobble within a wobble): 19,000 AND 23,000 years. Precession has a profound effect on the earth's climate.
a. Adult behaviors
c. Breeding behaviors
d. Behavior of young
e. Unique Adaptations
Threats to the Sloth:
a. Development & Human Encroachment
c. Habitat Fragmentation
d. Hunting (by humans and large mammals)
a. Costa Rican Conservation Efforts
b. Breeding programs (problems associated in captivity)
Causey, Whittow G. “Night Shift for Sloths and Other Sluggards”. Natural History; Jan77, Vol. 86 Issue 1, p66, 8p.
Kricher, John. A Neotropical Companion. Princeton: Princeton University Press, 1997.
Lynch, Wayne. “Slowpokes”. Wildlife Conservation, Jan/Feb2006, Vol. 109 Issue 1, p44-4, 6p, 6c
Stewart, Melissa. Sloths. Minneapolis : Carolrhoda Books, 2005.
Reebs, Stéphan. “Sit up when you Snooze”. Natural History, Oct2004, Vol. 113 Issue 8, p18-18
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