In the humid jungle of Vietnam, Natalia Ocampo-Peñuela and Monte Neate-Clegg spent hours patiently waiting to spot the rare “Halloween bird.” Officially known as the Collared Laughingthrush, this songbird has striking orange, silver, and black coloring and a distinct, singsong call.

Worker bees are the first line of defense when it comes to removing contamination in honeybee colonies, but a queen has her ways, too.

Long-term conservation policies may help restore freshwater ecosystems and prevent extreme species loss, new research suggests.

Migratory birds such as the pied flycatcher typically have wintering locations in Africa close to others from the same breeding population.

In many fish species, water temperature determines the sex of the fry.

Imagine returning to a favorite hiking trail 15 years after your first visit and discovering that many of the plants and animals that once lived there are gone.

At one time, kelp forests — which shelter fish, slow erosion, and sequester carbon — grew along a third of the world’s coastlines. 

A fish–microbe partnership may produce minerals that help shape the marine carbon cycle.

Maxing out at around 200 tons, the blue whale is not only the largest animal on the planet, it is also the largest animal ever to exist.

Whales were not always such massive creatures.