Kevin is seen running away from Alpha, Beta and Gamma in the jungle of Paradise Falls. Later Russell tracks her with pieces of chocolate. Carl prompts Kevin to get out of their house and Russell asks Carl about keeping Kevin in the house. Carl refuses to let him keep him in the house.
The next day, Charles Muntz says that it is his bird he is supposed to capture. When the group gets detected by Muntz, his dogs run after Kevin and one of them bites her leg. Kevin's leg is injured. Russell puts a bandage for healing. Kevin is supposed to stay as the injured bird hears his baby chicks from a distance. That night, the group is detected by Charles Muntz. Charles Muntz has captured the bird to be a great adventurer.
Kevin is caged in the blimp, so Carl goes out to rescue her by distracting the dogs working for Muntz by throwing a ball from his cane. Kevin gets into the house to avoid the dogs and Carl asks her if he can have chocolate. Muntz tries to grab Kevin, but fell to his death. Kevin later has three baby chicks.
Kevin and her babies later appear in the end credits as drawings.
- She is voiced by Pete Docter.
- Kevin and Russell were the only distressed heroes from Up.
- She shares similarities with the Bird Psymonster, Celetropical from Psymonsters.