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