The Blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale. It is the largest animal known to have ever existed. The Blue whale was once abundant in nearly all the Earth's oceans until the end of the 19th century. It was hunted...
The Killer whale (Orcinus orca) is a toothed whale belonging to the oceanic dolphin family. It is the largest member of this family. The sophisticated hunting techniques and vocal behaviors of Killer whales have been described as manifestations of...
The jaguar (Panthera onca) is a large cat species and the only living member of the genus Panthera native to the Americas. It is the largest cat species in the Americas and the third largest in the world. The jaguar has featured prominently in the...
The cougar (Puma concolor) is a large cat native to the Americas. It is the most widespread of any large wild terrestrial mammal in the Western Hemisphere. Due to its wide range, the cougar has many names, including puma, Mountain lion, catamount,...
The alpaca (Lama pacos) is a species of South American camelid mammal. It is similar to, and often confused with, the llama. However, alpacas are often noticeably smaller than llamas. The two animals are closely related and can successfully...
The capybara (Hydrochoerus hydrochaeris) is a giant cavy rodent native to South America. It is the largest living rodent and a member of the genus Hydrochoerus. Its close relatives include guinea pigs and Rock cavies, and it is more distantly...
The Sperm whale or cachalot (Physeter macrocephalus) is the largest of the toothed whales and the largest toothed predator. It is the only living member of the genus Physeter and one of three extant species in the sperm whale family, along with the...
The ocelot (Leopardus pardalis) is a medium-sized wild cat that was first described by Carl Linnaeus in 1758. The association of the ocelot with humans dates back to the Aztec and Incan civilizations; it has occasionally been kept as a pet.
The Humpback whale (Megaptera novaeangliae) is a species of baleen whale. It is a rorqual; a member of the family Balaenopteridae. The Humpback whale is known for breaching and other distinctive surface behaviors, making it popular with whale...
The White-tailed deer (Odocoileus virginianus) is a medium-sized deer native to the Americas where it is the most widely distributed wild ungulate. Texas is home to the most White-tailed deer of any U.S. state or Canadian province, with an estimated...
The False killer whale (Pseudorca crassidens) is a species of oceanic dolphin that is the only extant representative of the genus Pseudorca. It is found in oceans worldwide but mainly frequents tropical regions. The name "false killer whale" comes...
The kinkajou (Potos flavus) is a tropical rainforest mammal related to olingos, coatis, raccoons, and the ringtail and cacomistle. It is the only member of the genus Potos and is also known as the "honey bear". Kinkajous are arboreal, a lifestyle...
The Amazon river dolphin (Inia geoffrensis) is a species of toothed whale. It is the largest species of river dolphin, and it has one of the widest-ranging diets among toothed whales. The Amazon river dolphin has been treated with suspicion by local...
The jaguarundi (Herpailurus yagouaroundi) is a wild cat native to the Americas. Secretive and alert, the jaguarundi hunts mainly during daytime and evening hours and feeds on various kinds of prey. It lives in a broad array of closed as well as open...
The Spectacled bear (Tremarctos ornatus) is a species of bear native to the Andes Mountains in western South America. It is the only living species of bear native to South America, and the last remaining short-faced bear (subfamily Tremarctinae)....
The Fin whale (Balaenoptera physalus) is a cetacean belonging to the parvorder of baleen whales. It is the second-longest species of cetacean on Earth after the Blue whale. American naturalist Roy Chapman Andrews called the fin whale "the greyhound...
The Giant otter (Pteronura brasiliensis) is a South American carnivorous mammal. It is the longest member of the weasel family, Mustelidae, a globally successful group of predators. The Giant otter has no serious natural predators other than humans,...
The Giant anteater (Myrmecophaga tridactyla) is an insectivorous mammal native to Central and South America. It is one of four living species of anteaters, of which is the largest member. The Giant anteater is mostly terrestrial, in contrast to...
The margay (Leopardus wiedii) is a small wild cat native to Central and South America. Until the 1990s, margays were hunted illegally for the wildlife trade, which resulted in a large population decrease.
The Nine-banded armadillo (Dasypus novemcinctus) is a mammal found in North, Central, and South America. This makes it the most widespread of the armadillos. Its ancestors originated in South America and remained there until the formation of the...
The Bush dog (Speothos venaticus) is a canine found in Central and South America. It is very rare in most areas except in Suriname, Guyana, and Peru; it was first identified by Peter Wilhelm Lund from fossils in Brazilian caves and was believed to...
The pygmy marmoset, genus Cebuella, is a small genus of New World monkey native to rainforests of the western Amazon Basin in South America. It is notable for being the smallest monkey and one of the smallest primates in the world, at just over 100...
The Long-tailed weasel is an endearing-looking species of mustelid common throughout America and southern Canada. Looking like a cute, curious, lively kitten, it is one of nature's most ferocious and relentless predators and is known as "nature's...
The Cuvier's beaked whale (Ziphius cavirostris) is the most widely distributed of all beaked whales in the family Ziphiidae. It is smaller than most baleen whales yet large among beaked whales. Cuvier's beaked whale is pelagic and occurs in waters...
The Common vampire bat (Desmodus rotundus) is a small, leaf-nosed bat native to Latin America. It is one of three extant species of vampire bat. The common vampire bat mainly feeds on the blood of livestock and usually approaches its prey at night...
The Mexican free-tailed bat (Tadarida brasiliensis) is a medium-sized bat native to the Americas and is regarded as one of the most abundant mammals in North America. It has been claimed to have the fastest horizontal speed (as opposed to stoop...
The Giant armadillo (Priodontes maximus) is the largest living species of armadillo that lives in South America. It prefers termites and some ants as prey and often consumes the entire population of a termite mound. This species is considered...
The Brown-throated sloth (Bradypus variegatus) is the most common of the four species of three-toed sloth. It is native to rainforest canopies of Central and South America. The slowest mammal in the world, the Brown-throated three-toed sloth is an...
The Common bottlenose dolphin (Tursiops truncatus) is a wide-ranging marine mammal of the family Delphinidae. The common bottlenose dolphin is a very familiar dolphin species due to the wide exposure it receives in captivity in marine parks and...
The tayra (Eira barbara) is a forest-dwelling animal from the weasel family, native to the Americas. Tayras are also known as the tolomuco or perico ligero in Central America, motete in Honduras, irara in Brazil, san hol or viejo de monte in the...
The South American coati (Nasua nasua) is a member of the raccoon family (Procyonidae), found in South America. Coatis are also known as coatimundis. The name "coatimundi" comes from the Tupian languages of Brazil, where it means "lone coati"....
Thomasomys ucucha, also known as the ucucha thomasomys, is a rodent in the genus Thomasomys of the family Cricetidae. It is known only from high altitude forest and grassland habitats in the Cordillera Oriental of Ecuador. Seven other species of...
Brazilian tapir (Tapirus terrestris) is a species of rhinoceros family with a characteristic fleshy trunk, which is prehensile and able to grasp objects such as leaves. It is the largest surviving native terrestrial mammal in the Amazon. Brazilian...
The Collared peccary (Dicotyles tajacu) is a species of even-toed mammal found in North, Central, and South America. They are commonly referred to as javelina, saíno, or báquiro, although these terms are also used to describe other species in the...
The Amazonian manatee (Trichechus inunguis) is a large aquatic mammal with a bizarre appearance, first described as "a curious combination of a seal and a hippopotamus". It is the smallest of the three extant species of manatee. Manatees are often...
The spinner dolphin (Stenella longirostris ) is a small dolphin found in off-shore tropical waters around the world. It is famous for its acrobatic displays in which it rotates around its longitudinal axis as it leaps through the air. It is a member...
The water opossum (Chironectes minimus ), also locally known as the yapok, is a marsupial of the family Didelphidae. It is the only living member of its genus, Chironectes. This semiaquatic creature is found in and near freshwater streams and lakes...
The oncilla (Leopardus tigrinus ), also known as the northern tiger cat, little spotted cat, and tigrillo, is a small spotted cat ranging from Central America to central Brazil. It is listed as Vulnerable on the IUCN Red List, and the population is...
The olinguito (Bassaricyon neblina ) is a mammal of the raccoon family Procyonidae that lives in montane forests in the Andes of western Colombia and Ecuador. It was classified as belonging to a new species in 2013. The specific name neblina is...
The Crab-eating fox (Cerdocyon thous) is a species of medium-sized canid native to the central part of South America. It is not closely related to true foxes. The part of its scientific name comes from the Greek words kerdo (meaning fox) and kyon...
The Common opossum (Didelphis marsupialis) is a marsupial species living in the Americas. It is a cat-sized omnivorous animal, which can be recognized by its prehensile tail and its tendency to feign death when cornered.
Risso's dolphin (Grampus griseus) is one of the most mysterious and little known-species of dolphin with a rather unusual appearance. It is named after Antoine Risso, whose study of the animal formed the basis of the recognized description by...
