sheathbill(redirected from Chionidae)
Either of two white shorebirds (Chionia alba or C. minor) of Antarctic regions that resemble pigeons and have a horny covering on the base of the bill.
(Animals) either of two pigeon-like shore birds, Chionis alba or C. minor, of antarctic and subantarctic regions, constituting the family Chionididae: order Charadriiformes. They have a white plumage and a horny sheath at the base of the bill
either of two white, pigeonlike shorebirds, Chionis alba or C. minor, of the Antarctic, having a horny sheath covering the base of the short bill.