Casting an impressive figure, the tapir is the largest land mammal in South ... which includes four species found in South America and Southeast Asia, presents an opportunity for conservationists ...

The diversity of even the largest animals depends on the smallest ... With deforestation, mercury mining and climate change, South America's animals are facing more threats than ever before.

Reaching up to 10 feet (3 meters) long and weighing 440 pounds (200 kilograms), arapaima are the largest freshwater fish in South America—and an important species in the Amazon River ecosystem.

Scientists have sequenced the largest genome of all animals ... In today's other lungfish species from Africa and South America, these fins, which are similar in bone structure to our arms ...

Two South American wolves have joined the lineup of animals at the San Diego Zoo. The largest canid in South America, maned wolves have a reddish coat, long, thin legs and large, pointed ears.

Until now, the largest-known animal genome was that of another lungfish, the Australian lungfish, Neoceratodus forsteri. The South American lungfish's genome was more than twice as big.

The previously largest genome sequence of the Australian ... In today’s other lungfish species from Africa and South America, these fins, which are similar in bone structure to our arms, evolved ...