DESCRIPTION: Savannah elephants are the larger of the two African elephant species. They also have thicker, more curved tusks, more triangulated ears, and differently shaped skulls. Both elephant ...

Wolverines, the largest land-dwelling species in the mustelid family, are famous for their daring and tenacity — they've been known to prey on animals as big as moose, and many stories tell of ...

Our planet now faces a global extinction crisis never witnessed by humankind. Scientists predict that more than 1 million species are on track for extinction in the coming decades. But there’s still ...

For the past century a federal program called Wildlife Services, part of the U.S. Department of Agriculture, has been slaughtering wildlife deemed “undesirable” by agribusiness. They’re usually ...

Three vital provisions give the Act its teeth. It’s “citizen-suit” provision lets public-interest groups and individuals petition and sue sluggish federal agencies to make sure the Act protects ...

Oases in the desert, Southwestern streams are among the most delicate ecosystems on the planet. In these shallow, ephemeral waters, species like the Mexican garter snake once carved out a precarious ...

The variability among living organisms on the earth, including the variability within and between species and within and between ecosystems. Biological diversity, often shortened to biodiversity, is ...

DESCRIPTION: The ocelot is a medium-sized, spotted cat. It grows to about three feet long, not including its tail, and weighs around 30 pounds. It is described as crepuscular and nocturnal, spending ...

The U.S. transportation sector is responsible for about a third of our country’s climate-damaging emissions. In California transportation is the leading source of greenhouse gas pollution, accounting ...

Synthetic phosphate fertilizer poses a serious threat to our environment. Phosphate rock mining, along with the inorganic fertilizers and animal feed supplements and pesticides for which phosphate is ...

As this keystone species' name suggests, the gopher tortoise is an expert at living underground — like a gopher. Gopher tortoises have shovel-like front legs and strong, thick back legs to help them ...

DESCRIPTION: Female bald eagles can weigh up to 14 pounds and have wingspans of eight feet. Males weigh up to 10 pounds, with wingspans of six feet. Both sexes have brown bodies and acquire their ...