Their forked tails flick up briefly, ephemerally, as they feed — acres of peace signs, it seems, flashing at us from the sun. (si.com)
Behaviors such as tail flicks, coiling, burst movement can characterize their response. (nolduszebrafish.com)
Gary Oldman is fabulous as the feathered fiend and his character animators do his performance proud with a stunning, balletic fighting style, the fan tail flicking with lethal fascination. (empireonline.com)