Relier Pairs Vocabulary Definition 1Version en ligne .................. par Tea Cher 1 Factor 2 Picky eaters 3 Pattern 4 Flight 5 Endangered 6 Individual 7 Generations 8 Migrations 9 Flutter 10 Decades A regular or repeated way in which something happens or is done The average span of time between the birth of parents and that of their offspring Creatures who are selective about what they eat Something that contributes to an effect or result To move quickly and lightly from side to side or up and down The regular movement of animals from one place to another, especially in search of food or a better climate A period of ten years The ability to fly A single person or thing At risk of disappearing or becoming extinct