Colorado’s mountain lions, bobcats and lynx are under threat from trophy hunting and need protection now.

Named for their stubby tails, bobcats are so elusive that most people would be lucky to catch a glimpse of one in their lifetime. The bobcat is 10 times smaller than a cougar but two times larger than a housecat, and often confused with both. Because of their smaller size, solitary nature and...

The mountain lion known as P-47 survived fires, freeways and hostile ranchers. But in March, the 3-year-old big cat—tracked by California biologists since his kitten days—succumbed to a hidden hazard: an insidious form of food poisoning. Six anticoagulant compounds—chemicals used to kill rodents...

Every day, more and more wildlife habitat is lost to the spread of development. Give a little back by building your own humane backyard! It doesn't matter whether you have a small apartment balcony, a townhouse with a sliver of ground, a suburban yard, a sprawling corporate property or a community...

It seemed like a good idea at the time: Buy a house with a two-acre property, let our energetic herding dog have the run of the place and spend blissful summer days digging side by side in the dirt with her. And it was blissful, watching Mattie carve out her napping spots behind the ferns and tall...

It starts out mildly enough: Heading to work on the subway, you realize you forgot your wallet. No big deal, you think. I’ll borrow money to get home. Soon the lights go out and the train hurtles toward the sky, speeding through the atmosphere. Time passes—it’s hard to tell how long. The subway is...

Wherever you are in the U.S., a coyote may be taking up residence less than a mile away. If you live in the city, you’re more likely than your rural cousins to encounter raccoons. And regardless of geography, you probably share your home with dozens of species of insects and spiders. These facts...

A humane backyard is a safe haven for wildlife—a space where animals can thrive free from pesticides, trapping and other threats.