An ongoing study of the cause of death of howler monkeys on Barro Colorado has identified the howler monkey bot fly Cuterebra baeri as the single most important factor. Very young monkeys are the ...

For people in the steamy, swampy, jungle-covered state of Tabasco, the howler monkey is a cherished, emblematic species; local people say the monkeys tell them the time of day, by howling at dawn ...