Cookie the Cockatoo has been working non-stop since 1934, so excuse him for being cranky. The 76-year-old Major Mitchell’s cockatoo is the oldest resident at the Brookfield Zoo, part of the ...

Cookie, a Major Mitchell's cockatoo, arrived at Brookfield Zoo in 1934 and became a symbol of longevity. He was declared the world's oldest living parrot by Guinness World Records in 2015.

K-State said “Successful radiation treatment of undertail fibrosarcoma in a Major Mitchell’s cockatoo (Lophochroa leadbeateri)” was written by Hinkle, a fourth-year vet student from Wichita ...