“These guys are tenacious,” says John Stalzer, of PSEG Long Island, a utility company. No matter what his team does to stop them from building nests, the monk parakeets prevail. The birds will find ...

Black-capped chickadees, dark-eyed juncos and cardinals congregate around a backyard feeder as birdseed falls to the grass like sprinkles. Suddenly, from the sky comes a flash of vivid green and blue, ...

The cold, harsh winters of cities like Chicago, New York, and Seattle are no match for the tiny monk parakeet. Native to several countries in South America, the bright green bird, also known as the ...