European beaver Castor fiber. Phot. W. Misiukiewicz
The original form of forests,
as well as riches of waters, make the world of animals in the Wigry National
Park really varied. Thanks to 19 years of functioning of the Hydrobiologocal
Station in Stary Folwark, we have deep knowledge about the state of water
ecosystems in the inter-war period. The knowledge of fauna has been widened by
results of research conducted by workers of the Forest Research Institute and
thanks to activities of the Wigry National Park.
European Green Toad (Bufo viridis).
Phot. L. Krzysztofiak
The world of birds is rich too. The state of knowledge about bird species, both
the breeding (nesting) and visitant ones, grows every year. Until 1989, within
present boundaries of the Park 184 bird species had been found, in this, 155 the
breeding ones. Research and field observation conducted during the last 15 years
have extended this list. The occurrence of 205 bird species has been found, in
this, 191 protected ones. Among 48 mammal species occurring in the Park, 26 are
under protection. Only the European beaver is under partial protection, the
remaining species are under strict protection.
Great Reed Warbler (Acrocephalus arundinaceus).
Phot. W. Misiukiewicz
Despite the fact that at present the world of vertebrate fauna of the Park is
relatively well recognized, it is still an excellent material for research and
In 1989, the occurrence of 25 species of fish in the waters of the WNP has been
recorded. The research conducted in consecutive years confirmed the occurrence
of seven other species. Among the fish found in the park’s waters there are rare
species, and even some in danger of extinction. Out of 18 species of amphibians
found in Poland the area of the Park is inhabited by 12. Pursuant to provisions
of law of 16 April, 2004 concerning nature conservation, all species of
amphibians and reptiles are under strict protection. In 1989 five species of
reptiles were found in the Park. The changes which had taken place in the
environment caused the extinction of the turtle.
Herd of wild boars (Sus scrofa). Phot. W. Misiukiewicz