The world’s oldest known wild bird is back in her familiar stomping grounds — this time, with a new beau.

Birds are vertebrate animals adapted for flight. Many can also run, jump, swim, and dive. Some, like penguins, have lost the ability to fly but retained their wings. Birds are found worldwide and ...

By identifying traits that most predispose birds to extinction ... when it was believed around 70 or so remained in the wild; today, only one individual remains. As with many other Hawaiian ...