Results 171 to 180 of about 2,428 (216)

Positional Behavior and Limb Bone Adaptations in Red Howling Monkeys (Alouatta seniculus)

Folia Primatologica, 1987
Morphological adaptations to climbing (a scansorial mode of quadrupedal, arboreal locomotion practised on twigs and small branches) are identified by relating anatomical details of limb bones to a sample of 6,136 instantaneous observational recordings on the positional behavior and support uses of 20 different free-ranging, adult red howlers.
M A, Schön Ybarra, M A, Schön
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Translocation of red howler monkeys (Alouatta seniculus) in French Guiana

Biological Conservation, 2000
A wide translocation program was conducted on neotropical fauna in French Guiana during the filling of a hydroelectric reservoir. Red howler monkeys (Alouatta seniculus) were studied because available data on their behavior in undisturbed conditions provided the basis for behavioral comparison with translocated animals. A resident howler population was
Richard-Hansen, Cecile, Vié, Jean-Christophe, de Thoisy, Benoît   +2 more
openaire   +3 more sources

Diet of the red howler monkey (Alouatta seniculus) in French Guiana

International Journal of Primatology, 1993
We report the feeding behavior and food preferences of a troop of red howler monkeys (Alouatta seniculus) over two annual cycles in primary tropical rain forest in French Guiana. The monkeys used 195 plant species from 47 families as food. Major food categories were young leaves (54%), mature fruits (21.5%), and flowers (12.6%).
C. Julliot, D. Sabatier
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Male Dispersal among Free-Ranging Red Howler Monkeys (Alouatta seniculus) in Venezuela

Folia Primatologica, 1993
CRC ...
Agoramoorthy, G., Rudran, Rasanayagam
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Chromosomal variations in the primate Alouatta seniculus seniculus.

Folia primatologica; international journal of primatology, 1976
Chromosome analysis in 23 specimens of Alouatta s. seniculus trapped in different localities of Colombia were examined with the C- and Q-banding techniques. The chromosome numbers (2n=44) showed variations from 2n = 43 to 2n = 45 involving three and five microchromosomes, respectively.
E J, Yunis, O M, Torres de Caballero, C, Ramírez, Z E, Ramírez   +3 more
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Cytogenetic analysis shows extensive genomic rearrangements between red howler (Alouatta seniculus, Linnaeus) subspecies

American Journal of Primatology, 1995
AbstractA comparison of the G‐banded karyotypes of two red howler subspecies, Alouatta seniculus arctoidea and A. s. sara, showed that they differed by at least 14 chromosomal rearrangements. Genomic reshuffling is so great that homologs between subspecies could not be found for some chromosome, while the assignment of homology for other chromosomes ...
STANYON R, TOFANELLI, SERGIO, MORESCALCHI MA, AGORAMOORTHY G, RYDER OA, WIENBERG J.   +5 more
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Throat-Rubbing in Red Howler Monkeys (Alouatta Seniculus)

1983
Olfactory communication in New World primates may be more developed than in most Old World monkeys and apes (Epple and Lorenz, 1967; Eisenberg, 1977). All the New World genera have glands in the sternal and/or gular region. The purpose of this paper is to describe throat-rubbing in wild red howler monkeys (Alouatta seniculus).
Ranka Sekulic, John F. Eisenberg
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Geographic Distribution of Red Howlers (Alouatta seniculus) in Southwestern Brazilian Amazonia, with Notes on Alouatta caraya

International Journal of Primatology, 2002
We surveyed howler (Alouatta) populations at 36 sites throughout the Brazilian state of Rondonia, in southwestern Amazonia, using quantitative (line transect surveys) and qualitative (interviews) methods. We recorded the red howler (Alouatta seniculus) at only one- third of the sites, and the species was relatively rare at most of them, especially in ...
Simone Iwanaga, Stephen F. Ferrari
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Loud Calls of Adult Male Red Howling Monkeys (Alouatta seniculus)

Folia Primatologica, 1986
Loud calls of adult male red howlers (Alouatta seniculus) inhabiting a deciduous and semideciduous open woodland site in Venezuela were recorded opportunistically and categorized by ear and sonographically as barks and roars. Five to six different bark syllables were identified as occurring singly or in sequences of doublets and triplets.
openaire   +2 more sources

Adoption in free-ranging red howler monkeys,Alouatta seniculus of Venezuela

Primates, 1992
This report describes three cases of infant adoption in red howler monkeys (Alouatta seniculus) of Venezuela. In one case, a lactating female adopted her infant granddaughter after the infant's mother disappeared and the infant survived for the next 25 months.
Agoramoorthy, G., Rudran, Rasanayagam
openaire   +1 more source