Birds of Povlen
So far, some 120 species of birds have been recorded, which nest and migrate during spring and autumn migration. Mountain Povlen is best known for being rich with birds of prey. Among them, the griffon vulture stands out, which is mostly passing by because its habitat is in the Trešnjica canyon. The sky is dominated by hawks kestrels,golden eagles, eastern imperial eagles, northern goshawks sparrowhawks and peregrine falcons. There are numerous ravens, jackdaws, carrion crow and hooded crow that adore grasshoppers on the mowed meadows of Povlen. Of the other feathered game, there are mostly pheasants, common wood pigeons, cuckoos, scops owls, great spotted woodpeckers and European green woodpeckers. Barn swallows also appear in this area, and meadows are inhabited by Eurasian skylark and woodlarks.
There are also Eurasian tree sparrows and blackbirds and numerous chirping tits can be seen on the trees. You can meet grey partridges and rock partridges, tawny owl, Syrian woodpeckers, crossbills, Eurasian jays, thrush nightingales, white storks, black storks and European pied flycatchers. During the autumn migration, Montagu's harriers, European bee-eaters, European rollers, red-breasted flycatchers, Iberian grey shrikes, red-rumped swallows, willow warblers, collared flycatchers, Eurasian treecreepers, dunnocks, sombre tits, greater short-toed larks and many others also appear on Povlen.
Ptice Povlena
Do sada je zabeleženo oko 120 vrsta ptica, koje se gnezde i migriraju prolećnom i jesenjom migracijom. Planina Povlen je najpoznatija po bogatstvu ptica grabljivica. Među njima se ističe Belogavi sup koji je u uglavnom prolazu jer mu je stanište u kanjonu Trešnjice. Nebom dominiraju jastrebovi, manje vetruške, poneki suri orao, orao krstaš, jastreb kobac i sivi soko. Brojni su gavrani, čavke, crna vrana i siva vrana koja obožavaju skakavce po košenim livadama Povlena. Od ostale pernate divljači najviše ima fazana, divljih golubova, kukavica, ćukova, velikih detlića i zelene žune.
Pojavljuju se seoske laste, a livade naseljavaju poljska ševa i šumska ševa. Tu su i poljskii vrabac i crni kos, a na drveću su brojne cvrkutave senice. Mogu se sresti poljske jarebice i jarebice kamenjarke, šumske sove, seoski detlić, krstokljun, kreja i planinski slavuj, bela roda, crna roda i crnovrata muharica. Tokom jesenje migracije pojavljuje se eja livadarka, pčelarica, modrovrana, mala muharica, sivi svračak, daurska lasta, brezov zviždak, belovrata muharica i kratkokljuni puzić, obični popić, mrka senica, mala ševa i još mnoge druge.