Researchers: Kauai’s invasive parakeet population declines

In this Dec. 30, 2015 photo, rose-ringed parakeets, a parrot subspecies, eat from bird feeders in the yard of Chris Cooper's home in Honolulu. (Bruce Asato/The Honolulu Star-Advertiser via AP) MANDATORY CREDIT

KEKAHA — Researchers have documented a decrease in Kauai’s population of rose-ringed parakeets, a invasive species plaguing local farms.