Over a million species of animals and plants are now hanging by a thread, more than ever before in human history, says the ...

The extinct mastodon continues to have an impact on modern ecosystems in South America. Although this prehistoric ancestor of ...

Ten thousand years ago, mastodons vanished from South America. With them, an ecologically vital function also disappeared: ...

It was part of Megalonyx, an extinct ground sloth, MacPhee said. Like Glyptodon, Megalonyx traveled to North America from South America. In fact, ground-sloth fossils indicate that these animals ...

After over a century of being considered regionally extinct, the South American ... which are the largest terrestrial animal in South America — had last been spotted in Rio de Janeiro state ...

It was known for thousands of years by the indigenous peoples of South America ... to be extinct until the discovery of living individuals in 1952. About 29 extant monoplacophoran species have ...

The Pernambuco holly was discovered again in the Brazilian state of Pernambuco after being presumed extinct for 186 years. Scientists in ?? Brazil have re-discovered a tree species, known as the ...

New research suggests humans lived in South America at the same time as now extinct giant sloths ... and carved them thousands of years after the animals perished. The team of researchers from ...

The large yellow-footed tortoise, Chelonoidis denticulata (vulnerable), from South America and the Caribbean ... Just in the past decade, two mammal species have gone extinct: a bat known as ...

North and South America were home to woolly mammoths ... Giant sloths Related stories For most extinct Pleistocene megafauna — animals weighing more than 100 pounds — there are still living ...

Dire wolves went extinct roughly 13,000 years ago. Their skeletal remains have been found in North and South America ... what we know about the prehistoric species: Along with saber-toothed ...