Valuable species of flora and fauna which can be found within the project area:
- Liparis loeselii – It is a rare orchid species in danger of extinction. The Biebrza population counting over 10 thousand individuals belongs to the biggest in Poland;
- Bog Saxifrage – It is a glacial relic present in transitional and Sphagnum dominated peatlands, currently in danger of extinction;
- Aquatic Warbler – This incospicuous bird, similar in size to the House Sparrow is one of the rarest and globally endangered species of migratory birds. 25% of the global population of the Aquatic Warbler inhabit the Biebrza Marshes (about 2500 of singing males), which are their biggest refugium in the EU.