Articles on population biology

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The Mossy Red-eyed Frog is among hundreds of species threatened with extinction at the hands of chytrid fungus. Jonathan Kolby/Honduras Amphibian Rescue and Conservation Center

Deadly frog fungus has wiped out 90 species and threatens hundreds more

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.
Scalloped hammerhead entangled in a Queensland shark control net at Magnetic Island, Townsville. Courtesy of Nicole McLachlan

Some sharks have declined by 92% in the past half-century off Queensland’s coast

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.
Fossa (Cryptoprocta ferox) at the Houston Zoo. Josh Henderson

Caught on camera: The fossa, Madagascar’s elusive top predator

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.

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