We were looking at a dove in my dad’s backyard near Yuma, Arizona. At first, I thought it was a mourning dove, then deciding it wasn’t, I looked for a collar on the back of the neck that would make it ...

A burglary in the Bahamas and the threat of a volcano eruption on the island of Guadeloupe set in motion one of the fastest and most widespread invasions of a non-native wildlife species — a bird, in ...