Duck Banding in Search of the Black Duck
82.7 هزار بار بازدید -
8 سال پیش
-
Watch as a team of
Watch as a team of biologists corral ducks in order to band them. This research goes a long way in determining flight patterns, longevity, and what impact hunting has on duck populations. The black duck is the gold trophy in this exercise!
8 سال پیش
در تاریخ 1395/02/23 منتشر شده
است.
82,716
بـار بازدید شده