"Tiger deaths along the roads and railways would reduce the tiger population from around 130 animals to just 50 animals over a 20-year period."

A new study of decreased genetic diversity in the immune system of the Wyoming toad could lead to new captive breeding strategies for endangered species.

Tourism revenues account for almost 10% of Costa Rica’s gross domestic product. New research shows that charismatic wildlife is necessary but not sufficient to attract ecotourists.

Pollen brings seasonal misery to millions of Americans, but it serves a critical purpose: fertilizing many kinds of plants, including food crops.

Keeping landscapes connected can help protect wild animals and plants. In the US Southwest, border wall construction is closing off corridors that jaguars and other at-risk species use.

A new study shows that when free-ranging cats are more than a few blocks from forested areas in cities, such as parks, they’re more likely to prey on rats than on native wildlife.

Huge single-crop fields attract bees in such numbers that they spread parasites to one another. Planting diverse mixes of flowers around fields helps spread out pollinators and keep them healthy.

Sea turtles of Aldabra were almost hunted to extinction. But thanks to years of protection the much-loved animals are now thriving again - and so is the iconic giant tortoise.

The North Atlantic right whale is one of the most endangered whales in the world. A new welfare assessment tool may help draw attention to the problem.

There are no more ivory-billed woodpeckers or Bachman’s Warblers on Earth, but they’ve left an echo behind.