exact meaning unknown, possibly: = dark brown bird with a grayish head and a long triangular tail that looks V-shaped as it maneuvers the two outer feathers; Milvus migrans; it feeds on insects, frogs, lizards, and food scraps from human dwellings, and scavenges dead fish and shellfish along the beaches of oceans, lakes, and rivers; they also pick off small bits of meat from animal carcasses; unclean and therefore not to be eaten