Relacionar Columnas Bird TerminologyVersión en línea Match these bird terms to their meanings. por Légende X 1 PLUMAGE 2 MOLT 3 TARSUS 4 GIZZARD 5 RUMP 6 STERNUM 7 MANDIBLE 8 WINGSPAN 9 CREST 10 KEEL Lower back area above the tail Muscular stomach grinding up food Lower leg bone between knee and foot Seasonal shedding and regrowth of feathers Tuft of feathers atop the head Distance from one wingtip to the other Breastbone that anchors flight muscles Ridge on the sternum for flight muscles Feathers covering the body Upper or lower part of a bird’s beak