San Diego: Elsevier Acad Pr. Note on drill Mandrillus leucophaeus ecology and conservation status in Korup National Park, southwest Cameroon. Am J Primatol 70 3 Reproductive parameters of mandrills at the Tulsa Zoo. Zoo Biol 14 2 Primates in Gabon-current status and distribution. Oryx 26 4 Bout N, Thierry B. Peaceful meaning for the silent bared-teeth displays of mandrills.
Int J Primatol 26 6 Carman M. The gestation and rearing periods of the mandrill Mandrillus sphinx at the London Zoo. Int Zoo Ybk Zoo Biol 18 3 Cox CR. Drills Mandrillus leucophaeus : research and conservation initiatives, In: Wallis J, editor. Primate conservation: the role of zoological parks. American Society of Primatology. Male dominance and genetically determined reproductive success in the mandrill Mandrillus sphinx. Primates 34 4 Dunn A, Okon D.
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Muzzle size, paranasal swelling size and body mass in Mandrillus leucophaeus. Primates 47 2 Feistner ATC. Aspects of reproduction of female mandrills Mandrillus sphinx. Int Zoo Yb Scent marking in mandrills, Mandrillus sphinx. Folia Primatol 57 1 Behavioral comparison of captive drills Papio leucophaeus and mandrills Papio sphinx. Current primatology, volume II: social development, learning and behaviour.
The drill-integrated in situ and ex situ conservation. Afr Primates 3 Gartlan JS. Preliminary notes on the ecology and behavior of the drill, Mandrillus leucophaeus Ritgen, Old world monkeys: evolution, systematics, and behavivor.
New York:Academic Pr. Preliminary notes on the ecology of the drill Mandrillus leucophaeus on Bioko island, Rep. Equatorial Guinea. Groves C. Order primates. Mammal species of the world: a taxonomic and geographic reference, third edition, volume 1. Grubb P. Distribution, divergence and speciation of the drill and mandrill.
Folia Primatol Harrison MJS. Oryx 22 4 A preliminary ethogram and study of social behavior in captive drills, Mandrillus leucophaeus. Prim Rep Afr J Ecol 43 1 Hill WCO. New York:Wiley-Interscience.
A note on integumental colours with special reference to the genus Mandrillus. Saeugetierkundliche Mitteilungen Hoshino J. Primates 26 3 Preliminary report on the grouping of mandrills Mandrillus sphinx in Cameroon. Primates 25 3 Jolly CJ. Baboons, mandrills, and mangabeys: afro-papionin socioecology in a phylogenetic perspective.
Primates in perspective. New York:Oxford U Pr. Kudo H, Mitani M. New record of predatory behavior by the mandrill in Cameroon. Primates 26 2 Kudo H.
The study of vocal communication of wild mandrills in Cameroon in relation to their social structure. Primates 28 3 Lahm SA. And where has this monkey been all our lives? Because of that, mandrills may have been historically more likely to be displayed in zoos, making them more well known to the general public, says Kathy Wood of Tengwood Organization , a primate conservation group with a focus on drills.
Drills have pitch-black faces surrounded with white fringe, which look massive in males because of fatty cheek pads that mandrills don't have, says New York University anthropologist James Higham via email. This striking contrast is finished off by a slash of red under their lower lip that looks like strangely placed lipstick.
In a study, Higham and his colleagues showed that these colors were a sign of rank in males , with the brightest males having the highest rank. Males also grin and smack their lips at females that are potential mates.
Drills and mandrills are large monkeys, weighing as much as 75 pounds—about the weight of a large golden retriever. Weird Animal Question of the Week answers your questions every Saturday. If you have a question about the weird and wild animal world, tweet me , leave me a note or photo in the comments below, or find me on Facebook. All rights reserved. But drills are no slackers in the drama department.
Drills have a black face and clean paranasal swellings. In grownup males, the black is shiny and clearly demarcated, with contrasting white skin and pelage. Grownup male drills even have a red stripe below the lower lip.
Grownup male mandrills have a red stripe down the center of the muzzle and red across the nostrils, framed by blue, ridged, paranasal swellings. Feminine facial color ranges from black to vibrant red and blue.
Juveniles have darkish faces. Grownup males of each species have lilac genitals and red on the penis and above the groin, which extends to the internal thigh in drills. Adult males have fat, blue, violet, and red rump. Very unusual for Old World monkeys, each species possess a sternal scent gland, which is more developed in adult males than in females. Adult male mandrills are times the mass of adult females asymptotic values Grownup male drills weigh Drills and mandrills are present in restricted distribution ranges in western central Africa.
Drills and mandrills inhabit tropical rainforests. They sleep in bushes. Possible predators include leopards, eagles, rock pythons, and gaboon vipers. Telemetry research presents that mandrills have a really massive habitat range which they use inconsistently. Drill habitat ranges are unknown. Rainforest situations make it very tough to review the social system of wild drills and mandrills. Movies of wild teams crossing forest gaps or roads may have a group sized of More Articles Where are Drills found?
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