On the current and feeding. (1930 - 1939)
Availability of videosources
Needs clarification of possibility of digitizing in HD.
Forest in winter.
Black grouse in the woods in winter and summer.
Grouse on the tree.
Summer grouse walking on the grass, tokuet.
Heron for catching fish for their young.
Fly cranes, crane chicks in the nest in the tree.
The chicks trying to fly.
Bird feathers clean.
Black grouse nest on eggs.
Falcon brings chicks killed mouse feeds.
Chicks eat the worm.
In the forest are two men, birds cork.
Forest by the river.
On the trees the birds nest.
Female black grouse chicks covers his torso for the night in the nest
Key wordsGermany, the forest, the birds, the river