Beavers are making a comeback. Nearly driven to extinction by the fur trade, nature’s best architects are now 6–12 million strong in the United States. This return will provide significant benefits to our country’s ecology, which has lost much of its wetlands to development and agriculture. Learn...

As black bear numbers increase in some North American communities and more people move into bear habitat, encounters between bears and people have risen. Whether you live in bear country or are just visiting, you can take simple steps to avoid conflicts. Learn More About Bears (Please note that this...

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...

Rounding up and killing entire flocks of geese has become an all-too-common (and temporary) fix in many communities. Besides being inhumane, this also leaves room for a new flock to just move right in. Geese shouldn’t be killed for doing what comes naturally, especially when long-term, effective and...

Anyone who knows chimney swifts, with their cigar-shaped bodies almost constantly aloft, chattering, sweeping insects out of the sky, will wonder why they need to be mentioned in a work on resolving animal conflicts. The reason for this is not because they cause any special problem for us, but...

Although most commonly found in forests, chipmunks will also make their homes in yards, where you might see them in and around stone walls, under walkways or patios, or in gardens. The pleasure that comes from having them around is great in comparison to any problems they may create. Learn More...

Once robust, populations of cougars (also known as mountain lions or pumas) have declined drastically across most of their range in the Americas. The population decline is due to the impact of extensive hunting and predator control, in addition to continued habitat loss and fragmentation. Cougars...

If you spot a coyote in your neighborhood, relax: Most coyotes avoid people. “Seeing a coyote out during the day is not a cause for alarm, especially in the spring and summer when they’re out looking for food for their pups,” says Lynsey White, HSUS director of humane wildlife conflict resolution...

Crows may be intelligent because, like us and other smart species, they are very social. The groups of crows in your backyard are extended families who share food and look out for each other. Some young crows help their parents care for younger siblings before breeding themselves. Crows work...

White-tailed deer, North America’s most abundant larger herbivore, number an estimated 30 to 35 million in the United States, found in every state but Alaska, California, Hawai'i, Nevada and Utah. With hunting restrictions, their population has rebounded to where it was before Europeans arrived...

Foxes are omnivores, hunting very small animals and scavenging in cities and towns where freely available pet food and garbage can make life easier. It’s not unusual for a fox to be seen out and about during the day. Learn More About Foxes Foxes are afraid of people and will usually run away when...

Known for Groundhog Day and weather prediction, nearsighted groundhogs (aka woodchucks) have an important place in the ecosystem. They provide food for coyotes, foxes, weasels, badgers, hawks and eagles, and their burrows give shelter to amphibians, reptiles, rodents and foxes. Learn More About...

There are many different kinds of sparrows in North America. But, the house sparrow—the little brown bird we see hopping boldly on city streets—is the most widespread and most often in conflict with people. In fact, house sparrows are one of the most widespread animals on this planet. Likely this is...

Opossums get a bum rap. Often seen as pests and accused of everything from knocking over garbage cans to killing chickens, these quiet marsupials are rarely a threat and easily sent on their way. Learn More About Opossums Contents What are common problems and solutions with opossums? How can I keep...

From a pigeon’s perspective, city living can’t be beat. Food and water are readily available. Predators are rare. Plus, there’s plenty of free housing. Pigeons find our window ledges, rooftops, bridges, and warehouses to be ideal substitutes for the natural ledges in cliff sides that they have...

Prairie dogs are one of the most controversial and widely misunderstood wildlife species in North America. Since early European migration onto the North American grasslands, prairie dogs have been celebrated as an essential keystone species for healthy grasslands ecosystems, but also vilified and...

Found in almost every major urban, suburban and rural habitat in the 48 adjoining states, raccoons don't know that our trash cans, vegetable gardens, bird feeders and chimneys aren't for them—they’re just trying to survive. When these clever creatures take advantage of the food and shelter we...

Skunks, easily identifiable by their characteristic black and white striping, are infamous for producing a foul odor when frightened. Although a skunk’s spray is known mostly for its robust smell, it can also cause intense discomfort if it gets into a person or animal’s eyes. People will go to...

Snakes instill a deep-rooted fear in many people that few other animals can match. Even other animals seem to put them in a special category; many wild animals recognize snakes as threatening, and some birds and monkeys even have special vocalizations for sounding an alarm when a snake is seen. But...

There are more than 200 squirrel species, but you’ve most likely only seen the most common in North America: Grey and black squirrels. Squirrels are fascinating to watch, photograph and study, and unlike most wildlife, they aren’t shy! But their adaptable nature means they’re adept at finding the...