Leading a summer camp class about beavers, Tabby Fique hoped for a glimpse of her favorite furry hydrologists. But another wildlife sighting offered an even better teachable moment. “We were looking at the pool created by the beavers, and a muskrat swam by!” recalls Fique, the land manager for the...

The woman on the phone was anxious but determined. She was calling City Wildlife, a rescue and rehabilitation center in Washington, D.C., because her dog had dug up a rabbit nest and killed three of the babies. There was one survivor. “I’m going to get some kitten formula and start feeding it...