Results 41 to 50 of about 10,273 (210)

Comparing the cost-effectiveness of methods for estimating population density for primates in the Amazon rainforest Peru [PDF]

open access: yes, 2015
With increasingly extreme fluctuations in flood levels in the Amazon basin (Malhi et al. 2008, Marengo et al. 2012, Bodmer et al. 2014) the future of its' fauna is becoming more uncertain.
Bowles, Matthew David
core  

Patterns of interspecific variation in labial microarchitecture among anthropoid primates and the evolution of the hominin lips

open access: yesThe Anatomical Record, EarlyView.
Comparative histological and semi‐automated image analysis of primate lips: Masson's trichrome‐stained sagittal sections were segmented to quantify the connective tissue, adipose, and muscular components, enabling interspecific comparisons of labial architecture.
Liat Rotenstreich   +5 more
wiley   +1 more source

Alouatta fusca

open access: yes, 1982
Alouatta fusca (E. Geoffroy, 1812). Ann. Mus. Hist. Nat. Paris, 19: 108. TYPE LOCALITY: Brazil. DISTRIBUTION: N. Bolivia; S.E. and E.C. Brazil. COMMENT: A. guariba (Humboldt, 1812) may be the correct name for this species (K. F. Koopman). PROTECTED STATUS: CITES - Appendix II as Order Primates. ISIS NUMBER: 5301406006006003001.
Honacki, James H.   +2 more
openaire   +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

The petrotympanic canal (Huguier canal): Evolutionary, anatomical, and medical perspectives

open access: yesThe Anatomical Record, EarlyView.
Abstract The petrotympanic canal, traditionally referred to as Civinini's or Huguier's canal, represents an anatomical passage connecting the middle ear and temporomandibular joint (TMJ). Despite its early description, its structural complexity and functional significance have often been underestimated. In this study, we combined historical, anatomical,
Andrea Papini   +8 more
wiley   +1 more source

The Effects of Dependent Infants on the Social Behavior of Mantled Howler Monkeys (Alouatta Palliate) [PDF]

open access: yes, 2012
Six weeks of observation on eight groups of wild mantled howler monkeys revealed that the presence of a dependent infant alters the frequency of social interactions between a female with an infant and other adult monkeys.
Katz, Keziah
core   +2 more sources

Possible male infanticide in wild orangutans and a re-evaluation of infanticide risk [PDF]

open access: yes, 2019
Infanticide as a male reproductive tactic is widespread across mammals, and is particularly prevalent in catarrhine primates. While it has never been observed in wild orangutans, infanticide by non-sire males has been predicted to occur due to their ...
Knott, Cheryl D.   +6 more
core   +1 more source

Born this way: Does variation in perinatal limb bone morphology predict adult locomotor repertoire in primates?

open access: yesThe Anatomical Record, EarlyView.
Abstract Primates show a high degree of locomotor diversity that engenders similar variance in limb bone cross‐sectional geometry and bending strength: leaping primates have stronger hindlimb bones whereas suspensory species have stronger forelimb bones.
Angela M. Mossor   +7 more
wiley   +1 more source

The Evolution of Primate Societies - Chapter 3 [PDF]

open access: yes, 2012
Compared with other primates, New World monkeys display relatively limited ecological variability. New World monkey anatomy and social systems, however, are extremely diverse.
Di Fiore, Anthony   +2 more
core  

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

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