Nanday parakeets have stuck to the canyons around Malibu, so it’s not clear how they got there.

A nesting association between invasive and native bird species can counteract predators to aid the spread of an invasive species across non-urban habitats, where the invasives may become crop pests A ...

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 ...