Show flyers count wild life taking a census ot of wild lite life particularly ticul arly the fur bearing aal animals mals calls for or experts who can read snow tracks following tresh fresh trails the tha census taker can can locate dens or burrows and then from a careful study ot of the various footprints around can tell how many animals live there and the approximate age groups the bureau of 0 biological survey has 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 ot of waterfowl in lake regions |