Assertion: harrier's prey | /r/HasProperty | 23.9 g
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text: The most often recorded avian prey and 2nd and 3rd most frequent prey species (after only field voles) in Glen Urquhart, were 23.9 g (0.84 oz) chaffinch (Fringilla coelebs) and 18.4 g (0.65 oz) meadow pipits (Anthus pratensis), with the buzzards taking 195 fledglings of these species against only 90 adults.