Breeding and the greening of the landscape are tied to another major spectacle of spring: the mass movements of animals as they take advantage of spring’s bounty. Meet the scientists who track the journeys of animals such as butterflies, birds, bison and bats over vast distances, from winter refuge to spring nesting grounds.
회원들이 생각을 공유하면 여기에 리뷰가 표시됩니다.
아직 음악이 없습니다
사운드트랙 추가광고
