Forty thousand years ago — 28,000 years before the Neolithic Revolution saw hunter-gatherers settle down and farm, 36,000 before the first pyramids took shape, and 39,000 before the Norman conquest…

I sit huddled in the hide, the sharp winter air stinging my cheeks and making my eyes tear up. Blinking, I catch sight of movement in the reeds. Out steps…

We'd been hiking through deep snow all day with the mercury well below zero, not an uncommon occurrence during winter in eastern Poland. Still I was sweating, covered in several…

Tracking lions, photographing bats, collecting insects, bringing elephants home: it's all part of a day's work in Gorongosa National Park. This vast wilderness in Mozambique—including savannah and montane rainforest—was ravaged…

Future wolf hunting and trapping seasons in the Upper Midwest are on hold after a judge ruled the Obama Administration erred in removing the top predator from the Endangered Species…

One of the female reintroduced agoutis with a radio collar. Photo by: Rui Salaverry. When one thinks of Rio de Janeiro, one usually doesn't think: rainforest. However, in the heart…

Obama administration proposes to remove wolves from the ESA even as the animals spread to new states A photo of what is believed to be a gray wolf sporting an…

Soon, hard rains will hit the steep hillsides of the Azuero Peninsula in Panama, sluicing soil into the rivers and out to the sea. Centuries of slash and burn agriculture…

This is the story of three seals: the Caribbean, the Hawaiian, and the Mediterranean monk seals. Once numbering in the hundreds of thousands, the Caribbean monk seal was a hugely…

'They justify bigness:' rewilding the ancestor of the llama in Chile Local extinctions have occurred across a variety of habitats on every continent, affecting a gamut of species from large…

The unmistakable northern bald ibis (Geronticus eremita). Photo by: Waldrappteam. The northern bald ibis (Geronticus eremita), also called the hermit ibis or waldrapp, is a migratory bird. Once, the bald…

Beaver, bison and eagles are among the species that have made a successful comeback in Europe in the past 50 years, according to a major survey published by a coalition…

Environmentalist and journalist, George Mobiot, makes a passionate new plea for the controversial idea of rewilding parts of Europe in his new book Feral: Searching for Enchantment on the Frontiers…

On April 21, 2013, the first flock of scarlet macaws (of many more to come) was released into the jungles of Aluxes Ecopark, nearby classified World Heritage Site Palenque National…

Earlier this month, officials took down a fence allowing the first herd of European bison (Bison bonasus) to enter the forests freely in Germany in over 300 years, reports Wildlife…

Gaur bull in Nagarahole National Park, India. Gaur (Bos gaurus gaurus) is one of the large wild ungulates of Asian jungles. It is the tallest living ox, and one of…

A captive Kihansi spray toad at the WCS Bronx Zoo. Photo by: Rhett A. Butler. In 1996 scientists discovered a new species of dwarf toad: the Kihansi spray toad (Nectophrynoides…

Chinook salmon. Photo by: USGS. In March of this year the Elwha Dam, which had stood for 99 years, was demolished in the U.S. state of Washington. Five months later,…

An extinct marsupial mega-herbivore, Diprotodon optatum. Drawing by Peter Murray. Image © Science/AAAS. The theory that humans, and not climate change, was primarily responsible for the extinction of giant marsupials…

Wolf in Yellowstone National Park. Photo courtesy of Yellowstone National Park. Less than a year after being pulled off the Endangered Species Act (ESA), gray wolves (Canis lupus) in the…