{"fact":"In California's Central Valley, crow populations have more than quadrupled since 1966!","context":"In the Central Valley of California, a rich agricultural area, BBS recorded a 4.7% annual increase, a rate that more than quadruples populations from 1966 through 1999.","source":"W. P. Gorenzel; B. F. Blackwell; G. D. Simmons; T. P. Salmon; R. A. Dolbeer, Evaluation of lasers to disperse American crows, Corvus brachyrhynchos, from urban night roosts, 10.1080/09670870210151689","index":124}