{"fact":"Crows living near humans have been observed to have up to five times smaller home ranges than those living in more remote areas.","context":"Crows nesting >5 km from settlements and campgrounds had ranges 5· larger than crows nesting within 1 km of settlements and campgrounds.","source":"John M. Marzluff; Erik Neatherlin, Corvid response to human settlements and campgrounds: Causes, consequences, and challenges for conservation, 10.1016/j.biocon.2005.12.026","index":135}