Ruffed grouse, also known locally as partridge, are so well camouflaged that sometimes the only glimpse you get of them is when they explode right in front of you in an attempt to fly away from you. Occasionally, however, one will allow you more than a cursory look (and an opportunity to photograph it up close). This often happens when someone is running an engine, be it lawn mower, wood splitter or 4-wheeler. Upon hearing the sound, a grouse may walk rapidly towards it and linger in the vicinity for hours. Perhaps the occasional female grouse mistakes the sound of an engine for the alluring drumming of a male grouse, as the drumming sounds uncannily like a lawn mower starting up!