Labels:bulletin board | dialog box | sky | vegetarianism | window OCR: WHATIS SPECIES? Why don't all birds look alike? What prevents a Yellow Warbler from mating with a Cape May? Each of these warblers belongs to separate species and each is incapable of breeding with the other. Clues to what species bird belongs to include what it looks like, how it beha ves, where it is found and many other factors. Jook
