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