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Monarch butterflies are important culturally and ecologically across North America. Generations of schoolchildren have reared monarchs in classrooms, watching in wonder as striped caterpillars ...

Possibly the most mysterious American seabird, the Kittlitz's murrelet nests in remote, solitary places high in rugged coastal mountains and has always been difficult to spot — in fact, since the ...

The world's oceans are in trouble. Every day, 22 million tons of carbon dioxide from factories, cars, power plants and other human sources are absorbed by the world's oceans. The result? A frightening ...

Few animals evoke the wild like wolves. Majestic, intelligent and highly social, they’re crucial in driving evolution and balancing ecosystems. Some 2 million wolves once roamed freely throughout ...

It’s an invisible threat, but noise pollution is a major — and often deadly — menace to ocean wildlife. Just as there’s hardly a mountaintop free from the roar of airplanes overhead, there’s virtually ...

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 ...

Having collected the most recent census data from state and federal bald-eagle managers in each of the lower 48 states and the District of Columbia, the Center for Biological Diversity has determined ...

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 ...

The word jaguar comes from the South American Tupi and Guarani languages. A likely origin is the word yaguareté, meaning “true, fierce beast.” DESCRIPTION: The largest cat native to North America and ...

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 Clean Air Act has protected the air we breathe for four decades. By curbing air pollution it has saved many thousands of human lives and improved public health, all while saving money and ...