Show flyers count wild life taking a census of wild life particularly ticul arly the fur bearing animal animals calls for or experts who can read snow tracks following fresh trails the census taker can locate dens or bur rows and then from a careful study of the various footprints around can tell how many animals live there and the approximate age group groups the bureau of biological survey has ha found it quicker more economical and reliable to count deer and elk by spotting them from airplanes airplane counts also have been found helpful in estimating the number of waterfowl in lake regions |