Mammalia:  Mammals
The class Mammalia consists of 29 orders, 153 families, about 1,200 genera and more than 5,000 species. They are distrubuted on every continent. They range in size from the 3 centimeter (1.2 in) Kitti's Hog-nosed Bat Craseonycteris thonglongyai to the 33 meter (110 ft) Blue Whale Balaenoptera musculus. About 442 species can be found in North America north of Mexico.


OrderPrimates

Cebidae: New World Monkeys 12 genera, 44 species

• Geoffroy's Spider Monkey (Ateles geoffroyi) at Tortuguero National Park, Costa Rica, April 2009.
• White-headed Capuchin (Cebus capucinus) Near Puerto Jimenez, Puntarenas, Costa Rica, April 2009.


Cercopithecidae: Old World Monkeys 19 genera, 94 species

• Barbary Macaque (Macaca sylvanus) on the island of Gibralter, April 1981.
• Northern Pig-tailed Macaque (Macaca leonina) at Khao Yai National Park, Thailand, January 2009.

Order Xenarthra

Bradypodidae: Sloths 2 genera, 6 species

• Brown-throated Sloth (Bradypus variegatus) at Santa Elena, Puntarenas, Coasta Rica, April 2009.
  
  Dasypodidae: Armadillos 8 genera, 20 species
  
• Nine-banded Armadillo (Dasypus novemcinctus) at Aransas National Wildlife Refuge, Texas, March 2009.
  
  
  

Order Lagomorpha

Leporidae: Hares and Rabbits 11 genera, 47 species

• Black-tailed Jackrabbit (Lepus californicus) at Rancho Hidalgo, near Animas, New Mexico, June 2010.
• Desert Cottontail (Sylvilagus audobonii) at the San Pedro House, near Sierra Vista, Cochise County, Arizona, July 2010.
• Mountain Cottontail (Sylvilagus nuttallii) at Luna Lake, near Alpine, Apache County, Arizona, June 2010.
  
  
  

Order Rodentia

Sciuridae: Squirrels and their Allies 50 genera, 267 species

• Black Giant Squirrel (Ratufa bicolor) at Khao Yai National Park, Thailand, January 2009.
• Eastern Fox Squirrel (Sciurus niger) at Lost Maples State Park, Texas, May 2009.
• Arizona Gray Squirrel (Sciurus arizonensis) at Ramsey Canyon, near Sierra Vista, Cochise County, Arizona, July 2010.
• Mexican Red Squirrel (Sciurus nayaritensis) at South Fork, Chiricahua Mountans, Cochise County, Arizona, April 2011.
• Antelope Ground Squirrel (Ammospermophilus harrisi) near Portal, Cochise County, Arizona, December 2008.
• Gunnison's Prairie Dog (Cynomys gunnisoni) El Malpais National Monument, Cibola County, New Mexico, August 2010.
• Black-tailed Prairie Dog (Cynomys ludovicianus) Bosque del Apache National Wildlife Refuge, Socorro County, New Mexico, August 2010.
• Rock Squirrel (Spermophilus variegatus) at Cave Creek Ranch, Chiricahua Mountains, Cochise County, Arizona, September 2008.
• Golden-mantled Ground Squirrel (Spermophilus lateralis) at Luna Lake, Apache County, Arizona, August 2010.
• Round-tailed Ground Squirrel (Spermophilus tereticaudus) at Sabino Canyon, Pima County, Arizona, May 2010.
• Cliff Chipmunk (Tamais dorsalis) near Portal, Cochise County, Arizona, September 2008.
• Least Chipmunk (Tamais minimus) at the Santa Fe Ski Area, Santa Fe County, New Mexico, August 2010.
• Yellow-bellied Marmot (Marmota flaviventris) at Capitol Reef National Park, Wayne County, Utah, May 2010.
  
  Dasypractidae: Agouti 1 genera, 11 species
  
• Central American Agouti (Dasyprocta punctata) at the Wilson Botanical Garden, near San Vito, Puntarenas, Costa Rica, April 2009.
  
  
  

Order Carnivora

Canidae: Dogs, Wolves, Foxes, Jackals 16 genera, 36 species

• Coyote (Canis latrans) at Bosque del Apache National Wildlife Refuge, Socorro County, New Mexico, November 2008.
  
  Felidae: Cats 15 genera, 41 species
  
• Bobcat (Lynx rufus) at Cave Creek Ranch, Portal, Cochise County, Arizona, November 2008.
  
  Procyonidae: Racoons, etc 7 genera, 19 species
  
• Racoon (Procyon lotor) at Cave Creek Ranch, Portal, Cochise County, Arizona, October 2008.
• Ring-tailed Cat (Bassariscus astutus) at Cave Creek Ranch, Portal, Cochise County, Arizona, November 2006.
  
  Mustelidae: Weasels, Otters, Skunks, Badgers 23 genera, 65 species
  
• Long-tailed Weasel (Mustela frenata) at Luna Lake, near Alpine, Apache County, Arizona, June 2010.
• Striped Skunk (Mephitis mephitis) at Cave Creek Ranch, Portal, Cochise County, Arizona, December 2008.
  
  
  

Order Pinnipedia

Otaridae: Eared Seals, Sea Lions 7 genera, 14 species

• Antarctic Fur Seal (Arctocephalus gazella) on Bird Island, South Georgia, southern Atlantic Ocean, April 1985.
  
  Phocidae: Seals, Sea Lions 10 genera, 19 species
  
• Southern Elephant Seal (Mirounga leonina) at Grytviken, South Georgia, southern Atlantic Ocean, April 1985.
• California Sea Lions (Zalophus californianus) in the San Diego harbor, California, May 2010.
  
  
  

Order Artiodactyla

Tayassuidae: Peccaries, Javelinas 2 genera, 3 species

• Collared Peccary (Pecari tajacu) at Cave Creek Ranch, Chiricahua Mountains, Cochise County, Arizona, December 2006.
  
  Cervidae: Deer, etc 17 genera, 45 species
  
• Elk (Cervus canadensis) at the Prairie Creek Redwoods State Park, Humboldt County, California.
• Mule Deer (Odocoileus hemionus) at Bosque del Apache National Wildlife Refuge, Socorro County, New Mexico, November 2008.
• White-tailed Deer (Odocoileus virginianus) at Cave Creek Ranch, Chiricahua Mountains, Cochise County, Arizona, October 2008.
• Indian Muntjac (Muntiacus muntjak) at Khao Yai National Park, Thailand, January 2009.
  
  Bovidae: Cattle, Sheep, Goats, Antelopes, etc 48 genera, 139 species
  
• Pronghorn (Antilocapra americana) near Green's Peak, Apache County, Arizona, June 2010.

Last updated 10 April 2011

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