568 
Grackle, Bronzed, 318 
Grasshopper-Sparrow, Western, 359 
Great Blue Heron, 82 
Greater Redpoll, 342 
Greater Snow-Goose, 67 
Greater Yellow-legs, 120 
Grebe, American Eared, 6 
Grebe, Holboell’s, 5 
Grebe, Horned, 6 
Grebe, Pied-billed, 8 
Grebe, Western, 4 
Green Heron, 87 
Green-tailed Towhee, 396 
Green-winged Teal, 41 
Grey Flycatcher, 278 
Grey Ruffled Grouse, 147 
Grey Titmouse, 503 
Grey Vireo, 438 
Grey-crowned Rose-Finch, 336 
Grey-headed Junco, 378 
Grinnell’s Water-Thrush, 462 
griseinucha, Leucosticte, 338 
griseus, Beolophus inornatus, 503 
griseus, Empidonax, 278 
Grosbeak, Black-headed, 399 
Grosbeak, Rocky Mountain Pine, 
327 
Grosbeak, Rose-breasted, 399 
Grosbeak, Western Blue, 401 
Grosbeak, Western Evening, 325 
Grouse, Columbia Sharp-tailed, 151 
Grouse, Dusky, 145 
Grouse, Grey Ruffled, 147 
Grouse, Prairie Sharp-tailed, 152 
Gruide, 90 
Grus, 90 
Guara, 75 
guarauna, Plegadis, 77 
Guiraca, 401 
Gull, Bonaparte’s, 20 
Gull, California, 17 
Gull, Franklin’s, 19 
Gull, Herring-, 16 
Gull, Laughing, 18 
Gull, Ring-billed, 17 
Gull, Sabine’s, 21 
Gull, Western, 16 
guttata, Hylocichla, 521 
Hairy Woodpecker, 225 
Halizétus, 183 
hammondi, Empidonax, 276 
Hammond’s Flycatcher, 276 
Harelda, 59 
harlani, Buteo borealis, 176 
Harlan’s Hawk, 176 
Harlequin Duck, 60 
Birds of Colorado 
harrisi, Picus villosus, 224 
Harris’s Sparrow, 363 
Hawk, American Rough-legged, 178 
Hawk, Cooper’s, 170 
Hawk, Harlan’s, 176 
Hawk, Krider’s, 175 
Hawk, Marsh-, 166 
Hawk, Pigeon-, 188 
Hawk, Sharp-shinned, 168 
Hawk, Swainson’s, 176 
Hell-diver, 9 
Helodromas, 122 
henryi, Chordeiles virginianus, 246 
Hepburn’s Rose-Finch, 337 
Herodias, 84 
herodias, Ardea, 82 
Herodiones, 73 
Heron, Black-crowned Night-, 87 
Heron, Great Blue, 82 
Heron, Green, 87 
Heron, Yellow-crowned Night-, 89 
Herring-Gull, 16 
Hesperiphona, 325 
hesperis, Corvus brachyrhynchos, 
294 
hiemalis, Nannus, 493 
Himantopus, 106 
himantopus, Micropalama, 112 
Hirundinide, 412 
Hirundo, 416 
hirundo, Sterna, 24 
Histrionicus, 60 
histrionicus, Histrionicus, 60 
Holboell’s Grebe, 5 
holbcelli, Colymbus, 5 
homorus, Dryobates pubescens, 226 
Hooded Merganser, 34 
Horned Grebe, 6 
horreorum, Hirundo, 417 
House-Finch, 331 
hudsonia, Pica pica, 282 
Hudsonian Curlew, 129 
hudsonicus, Numenius, 129 
hudsonius, Circus, 166 
Humming-bird, Black-chinned, 252 
Humming-bird, Broad-tailed, 252 
Humming-bird, Calliope, 256 
Humming-bird, Rufous, 255 
Hutchins’s Goose, 70 
hutchinsi, Branta canadensis, 70 
hyemalis, Harelda, 59 
Hydrochelidon, 24 
hyemalis, Junco, 375 
hyperboreus, Chen, 66 
Hylocichla, 517 
hypogea, Speotyto cunicularia, 
211 
