"In the spring in the forest you can find" woodpecker rings "on the trunks of birch trees, which are transverse rows of quadrangular depressions in the bark. These depressions are made by woodpeckers who drink the juice resulting from damage. A woodpecker will fly away - tits, finches, and robins will fly to the birch.
Butterflies, ants and other insects also love birch sap saturated with vitamins and sugars.
The birds did not pay attention to butterflies, they were only interested in birch sap "- / entry by a naturalist photographer from Siberia - Vlad /
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| Pieces | 144 |
| Size | 720x720 |
| Complexity | simple |
| Added | el2555 |
| Published | 2/17/17 |
| Players | 21 |
| Best time | 00:13:24 |
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