Assertion: imperial eagle | /r/HasProperty | aquila adalberti
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text: Elsewhere, mean prey masses for the larger booted eagles appears to be considerably smaller than in the larger African species, i.e. single studies for the Spanish imperial eagle (Aquila adalberti) and wedge-tailed eagles showed means of 0.45 kg (0.99 lb) and 1.3 kg (2.9 lb), respectively, while a large number of extensive dietary studies for the golden eagle show its global mean prey mass is around 1.61 kg (3.5 lb).