U.S. researchers are launching studies on Mexico's red-crowned parrot — a species that has been adapting so well to living in cities in California and Texas after escaping from the pet trade ...

U.S. researchers are launching studies on Mexico’s red-crowned parrot — a species that has been adapting so well to living in cities in California and Texas after escaping from the pet trade … ...

U.S. researchers are launching studies on Mexico’s red-crowned parrot — a species that has been adapting so well to living in cities in California and Texas after escaping from the pet trade ...

SAN DIEGO (AP) — U.S. researchers are launching studies on Mexico's red-crowned parrot — a species that has been adapting so well to living in cities in California and Texas after escaping ...

In this Wednesday, March 30, 2016 photo, parrots interact at SoCal Parrot, a parrot-rescue center, in Jamul, Calif. U.S. researchers are launching studies on Mexico?s red crowned parrot - a ...