1) Bird genus 2) Genus tympanuchus 3) Prairie chickens 
Tympanuchus is a small genus of birds in the grouse family. They are commonly referred to as prairie chickens. The genus contains three species: All three are among the smaller grouse, from 40 to 43 cm (16 to 17 in) in length. They are found in North America in different types of prairies. In courtship display on leks, males make hooting sounds an...
[n] - prairie chickens
genus Tympanuchus noun prairie chickens