TEFÉ, Brazil — Each morning for the last several ... those that triggered mass die-offs of two species of endangered river dolphins this time last summer. A year ago, drought drove water ...

Severe Weather in the U.S. Advertisement Supported by The carcasses of at least 125 Amazon river dolphins have been found floating or beached after temperatures in Lake Tefé, Brazil, reached a ...

The Brazilian government's Chico Mendes Institute ... There had been some 1,400 river dolphins in Tefe Lake, said Miriam Marmontel, a researcher from the Mamiraua Institute.

At least 125 river dolphins have died in a Brazilian lake in recent weeks, likely due to a combination of drought and unusually high water temperatures. The creatures’ carcasses began floating ...

More than a hundred dolphins have been found dead in the Brazilian Amazon amid an historic ... carried by CNN affiliate CNN Brasil. The Amazon River, the world’s largest waterway, is currently ...

The boto, also known as the Amazon river dolphin, is a fascinating creature, says Vera Maria Ferreira da Silva, a leading expert on Brazil’s river mammals. “It’s a beautiful animal,” she says.

conservation analyst at WWF-Brazil, said in a statement. Pink river dolphins, also known as Amazon river dolphins, are the largest species of river dolphin, reaching up to 8.2 feet long.

The Brazilian government’s Chico Mendes Institute ... “We have around 900 river dolphins and 500 Tucuxis (in the Tefe Lake) and in one week we have already lost around 120 animals between ...

On this week's episode: bone collector caterpillar, dolphins pee on each other, using cars to sample air, and obsidian artifacts tell a trade tale.