"American Ornithologists' Union." . . . . "Bec-croisé bifascié" . . "Crossbills." . . "White-winged crossbill North America." . . "Fringillidés." . . "Academy of Natural Sciences of Philadelphia." . . "Vogels." . . . . . . "White-winged crossbill = Loxia leucoptera = pico cruzado = bec-croisé à ailes blanc[h]es" . . . . . . . . . . . . . "White-winged crossbill"@en . . . "White-winged crossbill : Loxia leucoptera" . . "White-winged crossbill Loxia leucoptera"@en . "White-winged crossbill : Loxia leucoptera"@en . . . . . .