Night of the Squawker (Goosebumps SlappyWorld #18)

Cooper Klavan and his friend Denzel are trying to film a zombie movie in the woods near his house for entry in a film festival, but they are interrupted when Cooper's ornithologist parents want him to go on a fishing trip with them. Younger sister Anna is a bit annoying, and when she finds an large, odd bird near an experimental area, she wants to bring it home, even after it bites her. Once at home, Anna exhibits some odd symptoms; she's scared of her cat, pecks in the dirt, won't eat eggs, and sits around chirping! She even gets so high up in a tree that Cooper calls 911, only to have her be back on the ground by the time help arrives. Cooper decides to switch the theme of his movie to documenting his sister's odd behavior. The bird, whom she calls Oggie, escapes, but comes back, and Cooper becomes so alarmed when his sister collects twigs and leaves and builds a nest in her closet that he tells his parents what he has witnessed, but all of the evidence on his phone is erased. Oggie escapes, and Anna bites Cooper. Will he turn into a bird because of that, or is there something more evil going on in his household?