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The Black Woodpecker Dryocopus martius excavates nesting holes in big trees and use dead wood for foraging. It is considered as a key and an indicator species in the protection of biodiversity of forest ecosystems, because its cavities condition the possibility of breeding the biggest secondary cavity−nesters, bats, and some species of wasps. We studied preferences of the Black Woodpecker towards...
Żuraw Grus grus do niedawana nie był gatunkiem lęgowym w województwie małopolskim. W niniejszej pracy podsumowano informacje o aktualnym rozmieszczeniu i stanie populacji lęgowej żurawia w tej części Polski. W latach 2006-2013 na terenie województwa małopolskiego żurawie stwierdzono w okresie lęgowym na 32 stanowiskach, w tym na 11 (34% wszystkich stanowisk) stwierdzono gniazdowanie pewne przynajmniej...
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