Explore.org: Sage Grouse Lek Cam (Bend, Oregon)
Explore.org

Every year from March through May, male sage grouse come to communal mating grounds, or leks, to show off their moves.

Ask A Biologist: PLOSable - Always Judge a Grouse by its Cover
Arizona State University, Ask A Biologist

Whoever came up with the saying “don’t judge a book by its cover” probably never met the Chinese Grouse (Tetrastes sewerzowi). For the Chinese Grouse, judging a mate by its cover is actually the way to go.