Catwings: Jane On Her Own by Ursulak Leguin

Jane, the youngest of the catwings, goes looking for adventure in the big city and captured!Longing for adventure, Jane, the youngest of the catwings, flies to the city on her own. When she flies through the window of a man who feeds here, she is suddenly captured, and finds herself making appearances as Miss Mystery, the fabulous winged cat! Realizing that being independent is much more dangerous than she thought, Jane plots her escape and hopes to reunite with her mother.