Quills shed simultaneously by Anatidae, [4], [113];

by Phoenicopteridae, [4], [107];

by Rallidae, [4] n.

Quiscalinae, [579] f.

Quiscalus, [581];

Q. versicolor, [580]

Quit-quit, [572] f.

Races of birds, [15]

Rackelhahn, [237]

Racquet-shaped, [22]