New York State lawmakers on Tuesday announced a bill to ban the sale of shark fins, an expensive ingredient in a traditional Chinese soup.

The young male, tracked with a GPS unit, is believed to be the first gray wolf in California in decades, raising hopes that the endangered species may once again thrive there.

Rising human consumption of marine mammals in tropical regions poses a threat to animals like the dugong, which is similar to a manatee, and the Atlantic humpback dolphin, researchers write.

The estimated death toll from a fungal disease in eastern North America has soared from one million in 2009 to as many as 6.7 million today.

The estimated death toll from a fungal disease in eastern North America has soared from one million in 2009 to as many as 6.7 million today.

In a surprisingly short space of time, a market for the creatures’ gill rakers has developed, based largely on the notion that they have medicinal value.

A pilot program in which the C.D.C. and conservationists intercepted tissues entering the United States and tested them for viruses gave them cause for alarm.

At Camp Leakey, one of three research outposts in Tanjung Puting National Park, Indonesia, semiwild orangutans living in the surrounding forest often drop by for bananas and company.

Conservationists try to help sustain the population by rehabilitating former captives and then releasing them into the wild in Indonesian Borneo.

In Texas, more than 20 species, including several types of salamanders and snails, are under serious consideration for an endangered listing over the next four years.