Huge Numbers Of Aggressive Birds Are Causing Blackouts, Even Attacking Kids Martin Fackler Kagoshima (Japan): Fanning out in small teams, the men in gray jumpsuits scour the streets and rooftops with binoculars, seeking to guard this city from a growing menace. They look for telltale signs: a torn garbage bag, a pile of twigs atop an electric pole or one of the black, winged culprits themselves. "There's one!' a shout goes up. Sure enough, one of their quarry flies brazenly overhead: a crow, giving a loud, taunting caw as it passed.