ground-tyrant, white-lored - heron, chestnut-bellied agami
- ground-tyrant, white-lored
- groundcreeper, canebrake
- grouse
- grouse, black
- grouse, blue
- grouse, Caucasian
- grouse, dusky
- grouse, Franklin’s
- grouse, gray
- grouse, hazel
- grouse, pheasant
- grouse, ruffed
- grouse, sage
- grouse, Severtzow’s (hazel)
- grouse, Severtzow’s (hazel)
- grouse, sharp-tailed
- grouse, Siberian spruce
- grouse, sickle-winged spruce
- grouse, sooty
- grouse, spruce
- grouse, Szechenyi’s pheasant
- grouse, Verreaux’s pheasant
- grouse, willow
- grouses
- gruiformes
- guaiabero
- guaiabero, Luzon
- guan
- guan, Andean
- guan, band-tailed
- guan, banded
- guan, baudo
- guan, bearded
- guan, black
- guan, black-fronted
- guan, black-fronted piping
- guan, brown
- guan, Cauca
- guan, Cayenne
- guan, chestnut-bellied
