It’s a technique the Bronx Zoo has been using for more than 40 years. Gabby Rosato, a senior keeper in the ornithology department, is putting on what’s known as a ghost outfit. The bird is being ...

A baby vulture at a New York zoo is being fed not by another bird but by a hand puppet — a decades-old technique used to ensure the chick doesn’t identify too closely with its human handlers. King ...

My dad was the first person to introduce me to shadow puppets. When my sister and I were tiny kids, he would tuck us into bed, turn off the lights and then cast an image of a dog against the wall.