Grouse

Any of the numerous species of gallinaceous birds of the family Tetraonidae, and subfamily Tetraoninae, inhabiting Europe, Asia, and North America. They have plump bodies, strong, well-feathered legs, and usually mottled plumage. The group includes the ptarmigans (Lagopus), having feathered feet.

To seek or shoot grouse.

To complain or grumble.

popular game bird having a plump body and feathered legs and feet