At the end of summer a careful observer may notice grown-up ducks or geese without feathers. Should one help such birds or leave them alone? Read why and how birds change their plumage in "Birds change their plumage at the end of summer".
How to record sounds of nature? How to observe birds and animals without disturbing them? How to take good photographs of natural phenomena? Here are some valuable tips for all nature lovers. more »
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Green richness of stump
Soft, flossy mosses surround the trunk together with fungi and algas, harmoniuosly creating individual being called lichen.
Huge trees grow in the Bug River National Park. Their diameter is extraordinary, for example: there can be found a specimen of Littleleaf linden with circumference of 637 cm or an oak with 635cm.