Assertion: ostrich | /r/HasProperty | 60 mph
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Source sentences:
text: Remaining fast birds include the Rock dove (or Rock pigeon) which can achieve speeds of 92.5 miles per hour, the Spur-winged goose (88 mph), the Red-breasted merganser (80 mph), the Grey-headed albatross (78.9 mph), the Anna’s hummingbird (61 mph), and the Ostrich (60 mph).