ILLUSTRATIONS 9 



Figure. Page. 



35. The Red-tailed Hawk, another view 93 



36. Map showing the distribution in Iowa of the Red-tailed Hawk 99 



37. Krider's Hawk 108 



38. Map showing the distribution in Iowa of Krider's Hawk 109 



39. Map showing the distribution in Iowa of the Western Red-tail Ill 



40. Harlan's Hawk, or Black Red-tail * 112 



41. Map showing the distribution in Iowa of Harlan's Hawk > 113 



42. The Red-shouldered Hawk 115 



43. Map showing the distribution in Iowa of the Red-shouldered 



Hawk 116 



44. Map showing the distribution in Iowa of Swainson's Hawk 120 



45. The Broad-winged Hawk, showing the wing expanse 124 



46. Another view of the Broad-winged Hawk 124 



47. Map showing the distribution in Iowa of the Broad-winged 



Hawk 127 



48. Iowa Broad-winged Hawk (photo by Mr. Wesley F. Kubichek) 130 



49. Map showing the distribution in Iowa of the Iowa Broad- 



winged Hawk 131 



50. Map showing the distribution in Iowa of the Mexican Goshawk 132 



51. Rough-legged Hawks, dark phase, male, above, light phase, fe- 



male, below 134 



52. Rough-legged Hawk, dark phase 135 



53. Rough-legged Hawk, light phase 136 



54. Map showing the distribution in Iowa of the Rough-legged Hawk....l37 



55. Ferruginous Rough-legged Hawk 139 



56. Map showing the distribution in Iowa of the Ferruginous Rough- 



legged Hawk 141 



57. The Golden Eagle 142 



58. Map showing the distribution in Iowa of the Golden Eagle 144 



59. The Bald Eagle , ...147 



60. Map showing the distribution in Iowa of the Bald Eagle 149 



61. Map showing the distribution in Iowa of the Prairie Falcon 154 



62. The Duck Hawk (a live bird photographed by Mr. Alfred Bailey 



in Louisiana, 1916) 153 



63. The Duck Hawk (from Cory, Birds of Illinois and Wisconsin) 153 



64. Map showing distribution in Iowa of the Duck Hawk 159 



65. The Pigeon Hawk 102 



66. Map showing the distribution in Iowa of the Pigeon Hawk 164 



67. Map showing the distribution in Iowa of Richardson's Pigeon 



Hawk 168 



68. The Sparrow Hawk 169 



69. Map showing the distribution in Iowa of the Sparrow Hawk 171 



70. The Osprey (photo by Frank W. Woodruff, Chicago Academy of 



Sciences) 171 



71. The Osprey, another view 174 



72. Map showing the distribution in Iowa of the Osprey ....176 



73. The Barn Owl 178 



74. Map showing the distribution in Iowa of the Barn Owl 180 



75. The Long-eared Owl ....183 



