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

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

The discovery of three extinct species and new insights to a fourth indicates a little-known family of marsupials, the Palaeothentidae, was diverse and existed over a wide range of South America ...

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

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 ...

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 ...

H. F. Osborn, and his assistants have made some most remarkable contributions to our knowledge of the extinct vertebrate animals of North America. The published work of the first six years was ...

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 ...

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 ...

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 ...

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 ...