52:45

Göçmen Kuşların Gizli Rotaları (Belgesel)

26:33

PBS Show - Saving Chester Island & More

8:25

Crayfish Concerns

3:56

Pond ducks: Distinguishing between Native vs. Non-native Waterfowl

6:24

DIY - Build A Better Backyard Duck Feeder

47:23

Mountains (Full Episode) | Hostile Planet

40:22

Geçmişin İzinde - Karlı Köyde Yaşam | Belgesel Film

14:35

Duck Noises & Duck Identification