A Field Study of the Behavior and Social Relations of Howling MonkeysJohns Hopkins Press, 1934 - 168 pages |
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Page 34
... crossed hurriedly . Howlers also use vines and flexible limbs as levers and swings for crossing spaces too wide for them to cross otherwise . An indi- vidual may mount a swinging vine or limb , set it in motion by swaying back and forth ...
... crossed hurriedly . Howlers also use vines and flexible limbs as levers and swings for crossing spaces too wide for them to cross otherwise . An indi- vidual may mount a swinging vine or limb , set it in motion by swaying back and forth ...
Page 52
... crossing in single file from one tree to another . The accompanying graph , figure 3 , shows the results of this study of the order of group progression for three classes of animals . In position 1 , i.e. the first animal to make the ...
... crossing in single file from one tree to another . The accompanying graph , figure 3 , shows the results of this study of the order of group progression for three classes of animals . In position 1 , i.e. the first animal to make the ...
Page 73
... crossed over its mother's body . As soon as the young had crossed , the mother pulled herself up to the second limb and continued locomotion . Observation 23 , Feb. 21 , 1932 , Group 1. A mother and juvenile came to a difficult crossing ...
... crossed over its mother's body . As soon as the young had crossed , the mother pulled herself up to the second limb and continued locomotion . Observation 23 , Feb. 21 , 1932 , Group 1. A mother and juvenile came to a difficult crossing ...
Contents
R CARPENTER | 9 |
Review of literature on the natural history of howling monkeys | 12 |
Field procedures and reactions of howlers to an observer | 21 |
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adult females adult males aequatorialis Alouattinae apparently approached arboreal Azara Barro Colorado Island become behave behavior and social brachiating capuchin monkeys capuchins Caraya census cent clan males close Coiba Island complemental males consorts coöperative coördination copulation Coto region crossing defensive described eaten feeding feet females and young frequently fruit function Gatun Lake groups of howlers howler clans Howler females howler groups howler population howling monkeys individuals juvenile juvenile animals leaves limb located locomotion lodge tree months mother move observed occur ocelot oestrous female palliata Panama Paraguay period of coverage period of intromission PLATE platyrrhine play positions postures primary forest primary sexual activity primates progression Puerto Armuelles react reactions Rengger responses rhythmic tongue movements roars seconds sexual behavior Shannon situations social relations socionomic specific spider monkeys stimulation subgrouping tail tendency territorial range tion vocal patterns vocalizations yards young animals young howlers