Kevin

"Hiss!"

 is a character released with, and is a part of the Up character collection.

About
 is a giant female bird who lives in the jungles of the tepui approaching Paradise Falls in Venezuela with her nest of babies. She befriends Russell when the young Wilderness Explorer feeds her chocolate believing her to be a "snipe" Carl Fredricksen told him about, leading to the bird following them around and causing nuisance to the journey the duo attempts to make towards Paradise Falls. She is also of the species that lead to Charles Muntz' abandonment of human civilization having spent decades in search for her to reclaim his glory sending out his dogs, including the more incompetent Dug, to find and bring back to him.