Pavasara un rudens migrāciju laikos ezers kalpo kā atpūtas un barošanās vieta, arī vairākām retām putnu sugām, piemēram, lielajam un mazajam dumpim. Ja esot pie ezera sadzirdat regulāru dobju skaņu, kas izklausās tā it kā kāds pūstu gar pudeles kaklu, tad esat sadzirdējuši lielo dumpi – retu, aizsargājamu putnu.
During the spring and autumn migrations, the lake serves as a resting and feeding area, also for several rare bird species, such as the Great and Little Bustard. If you hear a regular hollow sound that sounds like someone blowing down the neck of a bottle, you have heard a Great Bustard - a rare, protected bird.