When a bird grabs a pipevine swallowtail, it gets a mouthful of bad ... They can either be yellow, like the males of their species, or dark to mimic the bitter pipevine swallowtail.

Keywords birds, door yards, American Robin, Yellow Warbler, Cardinal, Phoebe, Woodpecker, Tree Swallow, House Wren, Chipping Sparrow, Purple Martin, nesting, feeding, ecosystem Email us at footage ...