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