n.an effigy in the shape of a man to frighten birds away from seeds
同义词：scarecrowstraw manstrawmanbird-scarer
scarer例句
The effectiveness of a seal scarer at a wild salmon net fishery Seal scarers do not scare seals: A study on the effects of seal scarer sounds on harbour seals Roadside animal scarer has light elements at a similar spacing to the eyes of predators Far-reaching effects of a seal scarer on harbour porpoises , Phocoena phocoena Heron scarer comprises decoy bird mounted on metal wire connected to it by spring attached to its chest Accidental death due to explosion of acetylene bird-scarer Sound operated mole scarer - emits electrically produced intermittent sound in audible range from buried housing Simulated seal scarer sounds scare porpoises, but not seals: species-specific responses to 12 kHz deterrence sounds Hearing thresholds of harbor seals ( Phoca vitulina ) for playbacks of seal scarer signals, and effects of the signals on behavior Cost-effectiveness of scaring brent geese Branta b. bernicla from fields of arable crops by a human bird scarer
