It’s a question visitors ask staff all the time at the Smithsonian’s National Zoo’s Bird House. The answer may surprise you! Mike Bock A pair of short-billed dowitchers, foreground, adopt a one-legged ...

Sometimes, if you're lucky, a pet will choose you. That has not happened to me: I have three dogs, and all of them consider me their secondary person (or even lower). I bet it's very special to be ...