ILLUSTBATIONS. 13 



Page. 



Fig. 42. Franklin grouse [35 



43. Female ptarmigan in summer I3g 



44. Mother ptarmigan and chicks 239 



45. Ptarmigan in winter 243 



46. Sharp-tailed grouse I44 



47. Sharp-shinned hawk 14fj 



48. Goshawk 14g 



49 . Red-tailed hawk I47 



50. Swainson hawk X47 



51. Bald eagle I49 



52. Duck hawk I49 



53. Pigeon hawk I49 



54. Sparrow hawk 150 



55. Nest of osprey 151 



56. Two photographs of osprey and nest 152 



57 . Short-eared owl I54 



58. Saw-whet owl I54 



59. Screech owl I55 



60. Horned owl 156 



61. Arctic three-toed woodpecker 158 



62. Northern pileated woodpecker I59 



63. A family of red-shafted flickers 160 



64. Nighthawk 162 



65. Rufous hummingbird ' 163 



66. Calliope hummingbird 163 



67. Kingbird 164 



68. Horned lark 165 



69. Rocky Mountain jay 166 



70. Clark nutcracker 168 



71. Red-winged blackbird 169 



72. Meadowlark 170 



73. Brewer blackbird 170 



74. Evening grosbeak 171 



75. Cassin purple finch 172 



76. Crossbills 172 



77. Gray-cro^vned leucosticte 173 



78. WTiite-crowned sparrow 176 



79. Western chipping sparrow 177 



80. Cliff swallow 180 



81. Barn swallow 181 



82. Tree swallow 181 



83. Cedar waxwing 182 



84. Audubon warbler 184 



85. Townsend warbler 184 



86. Macgillivray warbler 186 



87. Western yellow-throat 186 



88. Water ouzel at entrance to nest 188 



89. Western house wren 191 



90. Young Rocky Mountain nuthatches 192 



91 . Long-tailed chickadee 193 



92. Mountain chickadee 194 



93. Western robin 197 



94. Mountain bluebird 199 



