Results 31 to 40 of about 2,919 (216)

Comparison of forest regeneration in two sites with different primate abundances in Northwestern Ecuador [PDF]

open access: yes, 2016
There is increasing evidence that large-bodied primates play important roles as seed dispersers and in the maintenance of tree diversity in forest ecosystems. In this study we compared forest regeneration at two sites with differing primate abundances in
Alfonso, Felipe   +4 more
core   +1 more source

Diversidad genética en grupos de monos aulladores de manto (Alouatta palliata mexicana) en la Reserva de la Biosfera Los Tuxtlas (Veracruz, México)

open access: yesRevista Mexicana de Biodiversidad, 2016
El mono aullador de manto Alouatta palliata mexicana es una subespecie mexicana cuyas poblaciones se han reducido por la pérdida y fragmentación de su hábitat. Esta alteración del hábitat tiene un impacto negativo sobre su diversidad genética.
Cristina Jasso-del Toro   +2 more
doaj   +1 more source

Mechanical Defenses in Leaves Eaten by Costa Rican Howling Monkeys (Alouatta palliata) [PDF]

open access: yesAmerican Journal of Physical Anthropology, 2005
Primate species often eat foods of different physical properties. This may have implications for tooth structure and wear in those species. The purpose of this study was to examine the mechanical defenses of leaves eaten by Alouatta palliata from different social groups at Hacienda La Pacifica in Costa Rica.
Teaford, MF   +3 more
openaire   +2 more sources

Consumo voluntario de alimento fresco por parte de monos aulladores (Alouatta palliata y A. pigra) en cautiverio

open access: yesCuadernos de investigación UNED, 2013
Se tomaron como sujetos de estudio a los monos saraguatos (Alouatta pigra y A. palliata) que se encuentran en el Zoológico de Chapultepec en la Ciudad de México. El muestreo se realizó durante siete días consecutivos.
Maribel Anaya Lira   +4 more
doaj   +1 more source

Caudal Vertebral Body Articular Surface Morphology Correlates with Functional Tail Use in Anthropoid Primates [PDF]

open access: yes, 2014
Prehensile tails, capable of suspending the entire body weight of an animal, have evolved in parallel in New World monkeys (Platyrrhini): once in the Atelinae (Alouatta, Ateles, Brachyteles, Lagothrix), and once in the Cebinae (Cebus, Sapajus ...
Deane, Andrew S.   +3 more
core   +1 more source

A Macaque Model for the Effects of Hybridization on Body Size. [PDF]

open access: yesAm J Biol Anthropol
Virtual measurements from CT scans of living monkeys were used to capture size and shape data on the effects of hybridization in size and variation. ABSTRACT Objectives Genomics research has uncovered recurrent hybridization between hominin species, yet its morphological impact remains understudied.
Buck LT   +5 more
europepmc   +2 more sources

Gastrointestinal parasites in captive and free-ranging Cebus albifrons in the Western Amazon, Ecuador [PDF]

open access: yes, 2017
Currently, there is a lack of surveys that report the occurrence of gastrointestinal parasites in the white-headed capuchin monkey (Cebus albifrons). We therefore assessed the presence and richness (= number of different parasite genera) of parasites in ...
Benitez-Ortiz, Washington   +7 more
core   +4 more sources

Effects of fluctuation in temperature and humidity and behavioral thermoregulation on the resting time of Alouatta palliata monkeys

open access: yesAnimal Biodiversity and Conservation
Efectos de las fluctuaciones de temperatura y humedad y del comportamiento térmico sobre el tiempo de descanso de los monos Alouatta palliata Los monos aulladores de manto Alouatta palliata presentan un patrón de comportamiento diario, pero el tiempo ...
R. M. Palestino-Sánchez   +5 more
doaj   +1 more source

Behavioural innovation and cultural transmission of communication signal in black howler monkeys [PDF]

open access: yes, 2015
International audienceSocial traditions based on communication signals are widespread in birds, cetaceans and humans, but surprisingly rare in nonhuman primates known for having genetically-determined vocal repertoires.
Briseño Jaramillo, Margarita   +2 more
core   +2 more sources

Are there morpho‐acoustic patterns of adaptation in nonhuman primate ears? Testing the role of ecology and habitat in shaping ear morphology and function

open access: yesThe Anatomical Record, EarlyView.
Abstract Analysis of the variation in the bony structures of the inner and middle ear provides critical insights into functional morphology, as well as adaptive morphology across primates. In this study, we investigated whether ear morphology patterns are related to the ecological characteristics of species and their habitats to test two acoustic ...
Myriam Marsot   +4 more
wiley   +1 more source

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