Species that have no long-distance migratory relatives, such as the waxwings Bombycilla, are effectively moving in response to winter weather and the loss of their usual winter food, rather than enhanced breeding opportunities. COUNT 3
QSN1 What species has no long-distance migratory relatives? ANS1 the waxwings Bombycilla QSN2 What are the waxwings Bombycilla moving in response to? ANS2 winter weather and the loss of their usual winter food QSN3 Why are the waxwing Bombycilla not migrating for? ANS3 enhanced breeding opportunities