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