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 »
In the primeval forest of Bialowieza one can find lime trees as big as some oaks, while Weeping willow - the bushy snack of European bison reaches 22 meters of height and 40 centimeters in diameter.