lap·wing 
(lăpwĭng′)
(lăpwĭng′)n.
Any of several medium-sized shorebirds of the widely distributed genus Vanellus, having distinctive deep wing beats, especially the northern lapwing.
[By folk etymology from Middle English lapwink, hoopoe, lapwing, from Old English hlēapewince : hlēapan, to leap + *wincan, to waver.]