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List of mammals in Guyana - Wikipedia, the free encyclopedia

List of mammals in Guyana

From Wikipedia, the free encyclopedia

This is a list of the mammal species recorded in Guyana. There are 203 mammal species in Guyana, of which 0 are critically endangered, 2 are endangered, 9 are vulnerable, and 4 are near-threatened.[1]

The following tags are used to highlight each species' conservation status as assessed by the IUCN:

EX Extinct No reasonable doubt that the last individual has died.
EW Extinct in the wild Known only to survive in captivity or as a naturalized populations well outside its previous range.
CR Critically Endangered The species is in imminent risk of extinction in the wild.
EN Endangered The species is facing an extremely high risk of extinction in the wild.
VU Vulnerable The species is facing a high risk of extinction in the wild.
NT Near Threatened The species does not meet any of the criteria that would categorise it as risking extinction but it is likely to do so in the future.
LC Least Concern There are no current identifiable risks to the species.
DD Data Deficient There is inadequate information to make an assessment of the risks to this species.

Some species were assessed using an earlier set of criteria. Species assessed using this system have the following instead of Near Threatened and Least Concern categories:

LR/cd Lower Risk/conservation dependent Species which were the focus of conservation programmes and may have moved into a higher risk category if that programme was discontinued.
LR/nt Lower Risk/near threatened Species which are close to being classified as Vulnerable but are not the subject of conservation programmes.
LR/lc Lower Risk/least concern Species for which there are no identifiable risks.

Contents

[edit] Subclass: Theria

[edit] Infraclass: Eutheria

[edit] Order: Sirenia (manatees and dugongs)

West Indian Manatee
West Indian Manatee

Sirenia is an order of fully aquatic, herbivorous mammals that inhabit rivers, estuaries, coastal marine waters, swamps, and marine wetlands. All four species are endangered.

[edit] Order: Cingulata (armadillos)

The armadillos are small mammals with a bony armored shell. There are around 20 extant species.They are native to the Americas. There are around 20 extant species.

[edit] Order: Pilosa (anteaters, sloths and tamanduas)

Pale-throated Three-toed Sloth
Pale-throated Three-toed Sloth

The order Pilosa is extant only in the Americas and includes the anteaters, sloths, and tamanduas.

[edit] Order: Primates

Tufted Capuchin
Tufted Capuchin

The order Primates contains all the species commonly related to the lemurs, monkeys, and apes, with the latter category including humans. It is divided informally into three main groupings: prosimians, monkeys of the New World, and monkeys and apes of the Old World.

[edit] Order: Rodentia (rodents)

Brazilian Guinea Pig
Brazilian Guinea Pig
Brazilian Agouti
Brazilian Agouti
Paca
Paca
White-footed Climbing Mouse
White-footed Climbing Mouse

Rodents make up the largest order of mammals, with over 40 percent of mammalian species. They have two incisors in the upper and lower jaw which grow continually and must be keep short by gnawing. Most rodents are small though the capybara can weigh up to 45 kg (100 lb).

[edit] Order: Lagomorpha (lagomorphs)

The lagomorphs comprise two families, Leporidae (hares and rabbits), and Ochotonidae (pikas). Though they can resemble rodents, and were classified as a superfamily in that order until the early twentieth century, they have since been considered a separate order. They differ from rodents in a number of physical characteristics, such as having four incisors in the upper jaw rather than two.

[edit] Order: Chiroptera (bats)

Western mastiff bat
Western mastiff bat
Pale Spear-nosed Bat
Pale Spear-nosed Bat

The bats' most distinguishing feature is that their forelimbs are developed as wings, making them the only mammals in the world naturally capable of flight. Bat species account for about 20% of all mammals.

[edit] Order: Cetacea (whales)

Spinner Dolphin
Spinner Dolphin

The order Cetacea includes whales, dolphins and porpoises. They are the mammals most fully adapted to aquatic life with a spindle-shaped nearly hairless body, protected by a thick layer of blubber, and forelimbs and tail modified to provide propulsion underwater.

[edit] Order: Carnivora (carnivores)

Ocelot
Ocelot
Jaguarundi
Jaguarundi
Tayra
Tayra

The carnivores include over 260 species, the majority of which eat meat as their primary dietary item. Carnivores have a characteristic skull shape and dentition.

[edit] Order: Perissodactyla (odd-toed ungulates)

Brazilian Tapir
Brazilian Tapir

The odd-toed ungulates are browsing and grazing mammals. They are usually large to very large, and have relatively simple stomachs and a large middle toe.

[edit] Order: Artiodactyla (even-toed ungulates)

Collared Peccary
Collared Peccary

The even-toed ungulates are ungulates whose weight is borne about equally by the third and fourth toes, rather than mostly or entirely by the third as in perissodactyls. There are about 220 artiodactyl species, including many that are of great economic importance to humans.

[edit] Infraclass: Metatheria

[edit] Order: Didelphimorphia (common opossumsa)

Water Opossum
Water Opossum
Common Opossum
Common Opossum

Didelphimorphia is the order of common opossums of the Western Hemisphere. Opossums probably diverged from the basic South American marsupials in the late Cretaceous or early Paleocene.They are small to medium-sized marsupials, about the size of a large house cat, with a long snout and prehensile tail.


[edit] Notes

  1. ^ This list is derived from the IUCN Red List which lists species of mammals and includes those mammals that have recently been classified as extinct (since 1500 AD). The taxonomy and naming of the individual species is based on those used in existing Wikipedia articles as of 21 May 2007 and supplemented by the common names and taxonomy from the IUCN, Smithsonian Institute, or University of Michigan where no Wikipedia article was available.

[edit] References

[edit] See also


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