Assertion: hawk's weight | /r/HasProperty | listed as 4.71 kg
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Source sentences:
text: Unsexed martial eagles from various studies have been found to have weighed an average of 3.93 kg (8.7 lb) in 17 birds, 3.97 kg (8.8 lb) in 20 birds and 4.23 kg (9.3 lb) in 20 birds while the average weight of martial eagles shot by game wardens in the early 20th century in South Africa was listed as 4.71 kg (10.4 lb).