Chytrid fungus has caused declines in 501 amphibian species, according to a new analysis. Most of the damage happened in the 1980s, before the fungus itself was even discovered.
Some media have reported shark numbers at ‘plague proportions’ in Australian waters. But a new analysis suggests the opposite: species such as hammerheads and white sharks have plummeted in number.
The National Park Service is moving wolves to Isle Royale in Lake Superior to replenish a small pack on the island. Wolves prey on moose, which are overgrazing the island. It doesn’t hurt that they are charismatic.
The fossa, Madagascar’s largest predator, is a cat-like carnivore that eats everything from insects to lemurs. Because they are rare and elusive, scientists know very little about them, including how many there are.