La migración multi-generacional de la mariposa monarca es legendaria - un viaje de más de 2,000 millas de México a Canadá, realizado por animales que pesan menos de un gramo. La monarca desempeña un ...

The southeast United States is a place of unparalleled aquatic biodiversity, harboring 493 fishes (62% of U.S. fish species), at least 269 mussels (91% of U.S. mussel species), and 241 dragonflies and ...

For every county in the United States, the map below shows information on all the animals and plants protected under the U.S. Endangered Species Act as threatened or endangered. To see the number of ...

The Center’s Population and Sustainability program addresses the impacts on wildlife and the environment that are caused by human population pressure and destructive consumption and production. We ...

Trapped, poisoned and shot for “predator control,” gray wolves were nearly eliminated from the U.S. West by 1945. Today, after centuries of unfounded fear and animosity, research has given wolves a ...

Every spring, male sage grouse gather to strut their stuff in riveting mating rituals. Punctuating their displays with swishing, hooting and popping sounds, males bob their heads, fan their tail ...

Like the polar bear on the opposite pole, the emperor penguin endures almost unfathomable hardships to breed and nurture each new generation — fasting for months through the planet's harshest winter ...

The vast majority of western dry forests are at risk of large, high-intensity fire because of the effects of poor forest management over the past century. The primary factors that lead to current ...

Pteropods: Seawaters are already corrosive enough in some areas to erode the shells of these small sea “butterflies.” Pteropods are tiny snails that are found throughout the oceans and are an ...

The tiny delta smelt is one of the best indicators of environmental conditions in the San Francisco Bay-Delta, an ecologically important estuary that is a major hub for California's water system — and ...

Biomass energy is made by burning living things like trees, crop residues, and other “woody biomass” to produce electricity. Like fossil fuels, biomass energy releases loads of planet-heating carbon ...