While filming 'Pole to Pole with Will Smith' documentary-makers encounters a new giant anaconda species that "may be the largest in existence".

It's believed about three million different species of plant and animal - one in 10 of all the species in the world - live in the Amazon. This has been the worst year for Amazon fires since 2010.

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Scientists examined around 23,500 species of dragonflies, fish, crabs and other animals that depend exclusively on freshwater ecosystems.

These drawings depict animals including snakes ... leading to changes in vegetation and the make-up of the forest. The Amazon was still transforming into the tropical forest we recognise today ...

S tretching across 2.6 million square miles and eight countries and filled with more than 3 million species of plants and ...

WASHINGTON — Nearly a quarter of animals living in rivers, lakes and other freshwater sources are threatened with extinction, according to new research. "Huge rivers like the Amazon can appear mighty, ...

They are found in freshwater marshes and pools throughout the Amazon Basin, from Colombia to Brazil. Surinam horned frogs achieve their enormous girth by being generally indiscriminate about what ...