scarer

n.

吓人的人；

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