This issue covers how Fish and Game biologists estimate big game populations. It explains to how aerial surveys account for animals that observers can't see from the air. The population estimates rely on statistical sampling methods - similar to the way the television industry uses a sampling of a few hundred viewers in the Nielsen ratings to find out what people are watching.
Fish and Game News is free and is available at license vendors and Fish and Game offices statewide. It is also available online at http://fishandgame.idaho.gov/cms/news/fg_news/.