Whether they’re going to cook a fish, have it mounted or just take a photo and then release it, anglers want more than a severed head. But with shark numbers rebounding, they’ve got competition.

Modern rodenticides can kill rats with a single dose and readily pass up the food chain to larger carnivores. They are widely used and largely unregulated.

A broad review of shark research shows that sharks play critical roles in keeping ocean ecosystems such as coral reefs and seagrass beds healthy.

Central America’s forests are critically important habitat for many forest birds, including endangered species. Narco-traffickers are cutting down trees, leaving birds with nowhere to go.

Conflicts between herders and the wild ancestors of their yaks, camels and reindeer are a serious threat to both people and wildlife, writes a scientist who has seen these clashes firsthand.

New research documents how drones were used to track the temperatures of the Bay Islands anole lizard on the Honduran island of Utila.

Not all reparations involve money. Returning unique scientific resources is also a way of showing respect and righting past harms.

Climate change puts pressure on British butterflies and moths - sometimes pushing them to the edges of their geographical range or shifting the timing of their life cycle so they can’t feed.

Nature knows no borders. While decline of threatened migratory animals is alarming, there are reasons to be optimistic about international conservation efforts.