El Salvador field notes, v4501
Page 21
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
8/13/25 14 jungle. These traps are very seldom bothered. I suppose they are old armadillo holes. We always meet spider monkeys when we go into the jungle for any length of time. This evening when I went back into the jungle to set some traps I slipped upon a small band. They didn't see me for several minutes. I could only see one monkey and he was apparently fanning at mosquito which were buzzing about this face. My pleasure as an unobserved onlooker didn't last long for this monkey turned and saw me standing below. Instantly he started the familiar grunting which is so characteristic. It was several minutes before the whole band saw me. They would run along the horizontal branches sometimes in an erect posture supported by their tails and again on all fours. I noticed that usually had their long prehensile tail hooked over a branch. I presume this act was for any emergency that might happen. The speed with which these little acrobats could make through the tops was remarkable. Running along a limb they would come to the end and make a flying leap for the small branch of the next tree. Once they [illegible] got their hold they were off again. Two male I noticed especially