Cattle egrets live on insects. And in the savannah, insects congregate on the ubiquitous water buffalo. In sub-Saharan Africa, for example, you'll find these birds constantly perched atop buffalo ...

Melissa Breyer is Treehugger’s former senior editorial director. Her writing and photography have been featured in The New York Times, The Guardian, National Geographic, Audubon Magazine, and ...

Most animal-rights activists follow a plant-based diet for ethical reasons and studiously avoid places where meat makes up the bulk of the menu. Still, vegetarians or vegans may occasionally find ...

The Mississippi River is famous for its important role in the United States' industrialization. The river is a vital source of hydroelectric energy, provides drinking water for millions of people ...

A mongoose is a small, dynamic mammal with a long body and short legs. Mongooses are famous for standing their ground against venomous snakes, both in literature and in real life, but they're also ...

Bioluminescent algae are a group of tiny marine organisms that can produce an ethereal glow in the dark. While the phenomenon may occur in any region or sea depth, some of the most stunning ...

Seal fact: These animals, also known as pinnipeds, make up three diverse groups of semi-aquatic carnivorous marine mammals. Constituting the most species-rich clade of living marine mammals, there ...

Reindeer are known worldwide as Santa Claus' fictional sidekicks, but these animals are real and sometimes abundant in polar and mountainous regions. Also called caribou, this species of deer is ...

Few mammals rival the eccentricity of these venomous, egg-laying oddballs. Noel Kirkpatrick is an editor and writer based in Tacoma, Washington. He covers many topics, including animals, science ...

From their variety of spots to their hidden wings, there is much to learn about these helpful and charming insects. Angela Nelson is a Pulitzer Prize-winning digital editor and storyteller who ...

Find the latest scientific discoveries, academic studies, environmental research news, and breakthroughs in green tech and innovation.

Bryan Nelson is a science writer and award-winning documentary filmmaker with over a decade of experience covering technology, astronomy, medicine, animals, and more. Sea turtles are charismatic ...