Research in Italian cities shows that non-native parrot species occupy ecological roles absent from native urban bird communities, rather than simply overtaking them.

At a quiet street intersection in the Englewood neighborhood, the imposing figure of a pine tree is only outweighed by the massive collection of sticks and twigs carefully placed on its branches. It’s ...

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 ...

While they look similar to monks due to their medium size, mostly bright green bodies, and long, pointed tails, Nanday parakeets have bold black faces, throats, and black bills. They also have hints ...

Monk parakeets ease into new friendships, slowly approaching strangers to avoid aggressive encounters. Researchers watched how birds shared space, groomed each other, and escalated to deeper social ...

At a quiet street intersection in Chicago's Englewood neighborhood, the imposing figure of a pine tree is only outweighed by ...

Add Yahoo as a preferred source to see more of our stories on Google. At a quiet street intersection in the Englewood neighborhood, the imposing figure of a pine tree is only outweighed by the massive ...