(syn. Branta Ϯ Canada Goose B. canadensis) Gr. λευκος leukos white; βλεφαρον blepharon eyelid; "LEUCOBLEPHARON, Baird. - Head and neck black. A large triangular patch behind the eye, usually broadly confluent with its fellow beneath, the upper angle truncate. A few whitish feathers on lower eyelid. Tail of eighteen feathers . . . canadensis" (Baird 1858).