Monk parakeets have been flapping around Houston for around 50 years. Having logged just 20 years in the city myself, I feel some reticence calling them an invasive species. Yet, technically, the monk ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Parrots are among the most vibrant and loquacious birds in ...

For over 60 years, green-feathered Monk parakeets have darted across the Crescent City, squawking from telephone lines and nesting in power poles. Aside from their unique preference for urban nesting, ...

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, ...

Turns out, this bird you can change. An escaped parakeet has joined a flock of sparrows and has been living free in the wilds of Central Park for the past month — but the bright green birdie only has ...

Unlike birds whose plumage is mostly blue, the green coloring of a green bird’s feathers is the result of pigment, not a trick of the light. These birds’ emerald green, lime green, chartreuse, or ...