A Field Study of the Behavior and Social Relations of Howling MonkeysJohns Hopkins Press, 1934 - 168 pages |
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Page 28
... hand with apparent ease ; whereas the hand of the howler monkey functions differently from that of any other primate which I have observed . Observations on the use of the howler's hand show : ( 1 ) that the thumb is not opposable , ( 2 ) ...
... hand with apparent ease ; whereas the hand of the howler monkey functions differently from that of any other primate which I have observed . Observations on the use of the howler's hand show : ( 1 ) that the thumb is not opposable , ( 2 ) ...
Page 29
... hand characteristic of howler manipulation is ade- quately suited for their pronograde form of locomotion . Study of the functions of the fingers show that when a howler moves down a limb , the hand is placed in such a manner that the ...
... hand characteristic of howler manipulation is ade- quately suited for their pronograde form of locomotion . Study of the functions of the fingers show that when a howler moves down a limb , the hand is placed in such a manner that the ...
Page 32
... hand over hand manner , walked with his rear feet , and held his tail in position ready for an immediate grasp of the vine . 1. Degree of arborealness . Howlers are strictly arboreal in the habitats in which I have observed them . They ...
... hand over hand manner , walked with his rear feet , and held his tail in position ready for an immediate grasp of the vine . 1. Degree of arborealness . Howlers are strictly arboreal in the habitats in which I have observed them . They ...
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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Common terms and phrases
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