sentences:  More than 120 bird species are known to be taken by this eagle.European studies reflect the high importance of common pheasants ("Phasianus colchicus"), in Europe a non-native gamebird (although the imperial eagle also encounters and hunts the species extensively in its native range as well), in their foods.In the aforementioned large Hungarian study, pheasants were the third most frequently taken prey species, making up 12% of the diet.