Milton, Katharine. 1996. "Effects of bot fly (Alouattamya baeri) parasitism on a free-ranging howler monkey (Alouatta palliata) population in Panama." Journal of the Zoological Society of London, 239 ...
MEXICO CITY — It’s so hot in Mexico that howler monkeys are falling dead from the trees. At least 83 of the midsize primates, who are known for their roaring vocal calls, were found dead in the Gulf ...
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