Birds builders. (1930 - 1939)
Availability of videosources
Needs clarification of possibility of digitizing in HD.
Showing the construction of nests of different birds: blackbirds, swallows, tits, goldfinches and others.
Lake of the Woods.
On the tree is seen nest flies titmouse.
Peasant house on stilts in the water.
The same principle is used birds to build a nest in the reeds in the marsh.
Material for building nests - cane, straw, twigs.
Birds nesting on sandy steep banks.
The bird throws sand, venturing into the slot.
Laying bricks at a construction site, cement bricks connect.
The cart rides through sodden clay road, the birds take to the clay and coated with its beak its nest under the roof of the house.
Woodpecker hollows tree bark, eggs in the hollow.
Spring in the forest.
Forest River, buds on the trees, the first flowers appear.
A bird sitting on a branch, begins to build the nest, it moves around the branch, reeling straw, moss, hanging nest ready.
Arrives female couple in a nest.
Nests in a tree
Key wordsGermany, bird, lake, forest, farmers, construction, natural phenomena