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Encyclopedia > Gelada

Gelada[1]
A male Gelada
A male Gelada
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Family: Cercopithecidae
Genus: Theropithecus
I. Geoffroy, 1843
Species: T. gelada
Binomial name
Theropithecus gelada
(Rüppell, 1835)

The Gelada (Theropithecus gelada), sometimes called the Gelada Baboon, is a species of Old World monkey found only in the Ethiopian Highlands, with large populations in the Semien Mountains. Theropithecus is derived from the Greek root words for "beast-ape."[3][4] Like its close relatives the baboons (genus Papio), it is largely terrestrial, spending much of its time foraging in grasslands. Since 1979 it has been customary to place the Gelada in its own particular genus (Theropithecus), though some genetic research suggests that this monkey should, in fact, be grouped with its papionine kin;[5] other researchers have classified this species even further distant from Papio.[6] While Theropithecus gelada is the only living species of its genus, at least two separate larger species are known from the fossil record: T. brumpti and T. oswaldi, formerly classified under the generic name of Simopithecus.[citation needed] Theropithecus, while restricted at present to Ethiopia, is also known from fossil specimens found in Africa and the Mediterranean into Asia, including South Africa, Malawi, the Democratic Republic of the Congo, Tanzania, Uganda, Kenya, Ethiopia, Algeria, Morocco, Spain, and India. Image File history File links No higher resolution available. ... The conservation status of a species is an indicator of the likelihood of that species continuing to survive either in the present day or the future. ... Image File history File links Status_iucn2. ... Near Threatened (NT) is an conservation status assigned to species or lower taxa which may be considered threatened with extinction in the near future, although it does not currently qualify for the threatened status. ... For other uses, see Scientific classification (disambiguation). ... For other uses, see Animal (disambiguation). ... Typical Classes Subphylum Urochordata - Tunicates Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Subclasses & Infraclasses Subclass †Allotheria* Subclass Prototheria Subclass Theria Infraclass †Trituberculata Infraclass Metatheria Infraclass Eutheria Mammals (class Mammalia) are warm-blooded, vertebrate animals characterized by the presence of sweat glands, including those that produce milk, and by the presence of: hair, three middle ear bones used in hearing, and a neocortex... Families 15, See classification A primate is any member of the biological order Primates, the group that contains all the species commonly related to the lemurs, monkeys, and apes, with the latter category including humans. ... Subfamilies Cercopithecinae - 11 genera Colobinae - 9 genera The Old World monkeys or Cercopithecidae are a group of primates, falling in the superfamily Cercopithecoidea in the clade Catarrhini. ... Isidore Geoffroy Saint-Hilaire (December 16, 1805 - November 10, 1861) was a French zoologist and an authority on deviation from normal structure. ... This article does not cite any references or sources. ... Eduard Rüppell. ... For other uses, see Species (disambiguation). ... Subfamilies Cercopithecinae - 11 genera Colobinae - 10 genera The Old World monkeys or Cercopithecidae are a group of primates, falling in the superfamily Cercopithecoidea in the clade Catarrhini. ... Ethiopian Highlands with Ras Dashan in the background. ... The Simien Mountains lie in northern Ethiopia, north east of Gonder. ... This article is about the biological superfamily. ... For other uses, see Baboon (disambiguation). ... Species Papio hamadryas Papio papio Papio anubis Papio cynocephalus Papio ursinus The Baboon is the largest non-hominid member of the primate order. ... Terrestrial animals are animals that live predominantly or entirely on land, as compared with aquatic animals, which live predominantly or entirely in the water (e. ... The Konza tallgrass prairie in the Flint Hills of northeastern Kansas. ... Also: 1979 by Smashing Pumpkins. ... For other uses, see Genus (disambiguation). ... This article is about the general scientific term. ... Approximate worldwide distribution of monkeys. ... Species Papio hamadryas Papio papio Papio anubis Papio cynocephalus Papio ursinus The Baboon is the largest non-hominid member of the primate order. ... For other uses, see Species (disambiguation). ... For other uses, see Fossil (disambiguation). ... A world map showing the continent of Africa Africa is the worlds second-largest and second most-populous continent, after Asia. ... The Mediterranean Basin refers to the lands around and surrounded by the Mediterranean Sea. ... For other uses, see Asia (disambiguation). ...

Contents

[edit] Appearance

Theropithecus gelada can be physically distinguished from baboons by the bright patch of skin on its chest. This patch is hourglass-shaped, and on males, bright red and surrounded by white hair. On females the patch is far less pronounced. However, when in oestrus, the female's patch will brighten, and a "necklace" of fluid-filled blisters forms on the patch. This is thought to be analogous to the swollen buttocks common to most baboons experiencing oestrus. This modification likely came about due to the Gelada's unique mode of feeding - it spends most of its waking hours grazing from an upright sitting position, rump hidden beneath and so unavailable for display. The male Gelada's tail is about as long as the body and densely tufted at the tip; it also has a long and flowing mantle and mane. Many shapes have metaphorical names, i. ... This article is about the Male sex. ... For other uses, see Female (disambiguation). ... Estrus (also spelled œstrus) or heat in female mammals is the period of greatest female sexual responsiveness usually coinciding with ovulation. ... For the packaging type, see Blister pack. ... Analogy is both the cognitive process of transferring information from a particular subject (the analogue or source) to another particular subject (the target), and a linguistic expression corresponding to such a process. ...

A female Gelada
A female Gelada

The Gelada lives in small harems consisting of one male, several females, and their offspring. These smaller bands often join together to feed, forming groups of upwards of 350 individual monkeys. At especially good feeding spots, groups in excess of 670 individuals have been observed. Image File history File links Size of this preview: 644 × 600 pixelsFull resolution (800 × 745 pixel, file size: 187 KB, MIME type: image/jpeg) Gelada Baboon (Theropithecus gelada). ... Image File history File links Size of this preview: 644 × 600 pixelsFull resolution (800 × 745 pixel, file size: 187 KB, MIME type: image/jpeg) Gelada Baboon (Theropithecus gelada). ... For other uses, see Harem (disambiguation). ...


[edit] Diet

The Gelada is exclusively herbivorous but is specialised as a grass-eater, consuming every part of the plant (but favoring one part over the others depending upon season), from green blades (in the wet season) to seeds to rhizomes (in the dry season) to stalks, flowers, and fruits. It has the most opposable thumb of any of the catarrhine primates (not including humans), allowing it to pick apart grasses with great dexterity to select the most nourishing meal. It is one of the only true grazing monkeys.[7] A deer and two fawns feeding on some foliage A herbivore is often defined as any organism that eats only plants[1]. By that definition, many fungi, some bacteria, many animals, about 1% of flowering plants and some protists can be considered herbivores. ... For other uses, see Grass (disambiguation). ... For other uses, see Plant (disambiguation). ... This article or section is in need of attention from an expert on the subject. ... A ripe red jalapeño cut open to show the seeds For other uses, see Seed (disambiguation). ... For other uses, see Rhizome (disambiguation). ... Stem showing internode and nodes plus leaf petiole and new stem rising from node. ... For other uses, see Flower (disambiguation). ... For other uses, see Fruit (disambiguation). ... Missing image Thumbs up In human anatomy, the thumb is the first digit on a hand. ... Families Cercopithecidae Hylobatidae Hominidae Catarrhini is the unranked group of the Primates, one of the three major divisions of the suborder Haplorrhini. ... This article is about modern humans. ...


[edit] Endangered

Although not listed as endangered, only 50,000-60,000 Geladas are known to exist. Hunting and habitat destruction have forced the Gelada into areas formerly inhabited only by the Olive Baboon, and hybridisation between the two species has been observed. An endangered species is a species whose population is so small that it is in danger of becoming extinct. ... This article is about the hunting of prey by human society. ... Look up habitat in Wiktionary, the free dictionary. ... Binomial name Papio anubis (Lesson, 1827) The Olive Baboon (Papio anubis), also called the Anubis Baboon, is a member of the family Cercopithecidae (Old World monkeys). ... This article is about a biological term. ...


There are two subspecies of Gelada: This article is about the zoological term. ...

  • Theropithecus gelada gelada
  • Eastern Gelada, Theropithecus gelada obscurus

[edit] References

  1. ^ Groves, Colin (16 November 2005). in Wilson, D. E., and Reeder, D. M. (eds): Mammal Species of the World, 3rd edition, Johns Hopkins University Press, 167. ISBN 0-801-88221-4. 
  2. ^ Primate Specialist Group (1996). Theropithecus gelada. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 2006-05-11.
  3. ^ Classic Roots P (HTML). PHTHIRAPTERA CENTRAL. Retrieved on 2006-12-26. “thero (G) - A wild beast; summer; hunt for”
  4. ^ Classic Roots T (HTML). PHTHIRAPTERA CENTRAL. Retrieved on 2006-12-26. “pithec, -o, -us (G) - An ape”
  5. ^ Goodman, M., et al. (1998). "Toward a phylogenetic classification of Primates based on DNA evidence complemented by fossil evidence". Molecular Phylogenetics and Evolution 9: 585-598. 
  6. ^ McKenna, M.C., Bell, S.K. (1997). Classification of mammals above the species level. New York: Columbia University Press, 631 pp. 
  7. ^ Hiller, C. (2000). "Theropithecus gelada" (On-line). Animal Diversity Web. Retrieved on 2006-12-23.

Dr Colin Groves is a Professor of Biological Anthropology at the Australian National University in Canberra, Australia. ... is the 320th day of the year (321st in leap years) in the Gregorian calendar. ... Year 2005 (MMV) was a common year starting on Saturday (link displays full calendar) of the Gregorian calendar. ... The IUCN Red List of Threatened Species (also known as the IUCN Red List and Red Data List), created in 1963, is the worlds most comprehensive inventory of the global conservation status of plant and animal species and can be found here. ... The World Conservation Union or International Union for the Conservation of Nature and Natural Resources (IUCN) is an international organization dedicated to natural resource conservation. ... Year 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... is the 131st day of the year (132nd in leap years) in the Gregorian calendar. ... Year 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... is the 360th day of the year (361st in leap years) in the Gregorian calendar. ... Year 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... is the 360th day of the year (361st in leap years) in the Gregorian calendar. ... Year 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... is the 357th day of the year (358th in leap years) in the Gregorian calendar. ...

[edit] External links

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  Results from FactBites:
 
Gelada - Wikipedia, the free encyclopedia (465 words)
While the Gelada is restricted to Ethiopia and Eritrea today, fossils of the genus are known from South Africa, Malawi, Democratic Republic of the Congo, Tanzania, Uganda, Kenya, Ethiopia, Algeria, Morocco, Spain, and India.
This is thought to be similar to the swelling on the buttocks during oestrus that is common to all baboons.
The Gelada is primarily a grass-eater, eating every part of the plant, from the seeds, to the roots, to the stalk.
Article about "Gelada" in the English Wikipedia on 24-Apr-2004 (380 words)
The Gelada used to be grouped with other baboons in the genus Papio, but since 1979 it has become customary to place them in a separate genus, Theropithecus.
This is thought to mimic the swelling on the buttocks during oestrus that is common to all baboons.
Geladas are primarily grass-eaters, eating every part of the plant, from the seeds, to the roots, to the stalk.
  More results at FactBites »

 

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