LIST OF ILLUSTRATIONS xxi 
FIGURES IN THE TEXT 
Figure Page 
1. Loons.. 73 
2. Grebe, foot.. • • • 75 
3. Eared Grebe, nest. 76 
4. Pied-billed Grebe and young. 81 
5. Pelican, head. 83 
6. Cormorant, head. 84 
7. White-faced Glossy Ibis, head. 100 
8. White-fronted Goose, head. 107 
9. Mallard, head. HO 
10. Baldpate, head. 117 
11. Green-winged Teal, head. 122 
12. Blue-winged Teal, head.. 124 
13. Cinnamon Teal, head. 126 
14. Redheads. 182 
15. Redhead, nest and eggs. .... 183 
16. Canvasback, head. 184 
17. American Scaup Duck, head. 186 
18. American Golden-eye, head. 189 
19. Buffle-head, head. 141 
20. Ruddy Duck, head.♦. 148 
21. Hooded Merganser, head. 146 
22. Red-breasted Merganser, head. 149 
23. Red-breasted Merganser, downy young. 149 
24. Turkey Vulture, head. 161 
25. Turkey Vulture, foot. 161 
26. Zone-tailed Hawk. 166 
27. Swainson Hawk, nestlings. 168 
28. Osprey.... 184 
29. Caracara, head. 186 
30. Duck Hawk. I 89 
31. Pigeon Hawk.... 102 
32. Ptarmigan, foot. 202 
33. Southern White-tailed Ptarmigan in winter plumage. 202 
34. Southern White-tailed Ptarmigan in summer plumage. 203 
35. Prairie Sharp-tailed Grouse. 209 
36. Texas Bob-white, skin. 213 
37. Mearns Quail. 224 
38. Ring-necked Pheasant. 229 
39. Virginia Rail, head. 241 
40. Sora Rail, head. 242 
41. American Coot, foot. 243 
42. Black-bellied Plover. 254 
43. Wilson Snipe, head. 256 
44. Long-billed Dowitcher, skin. 277 
45. Avocet, head...•. 280 
46. American Black Tern. 294 
47. Western Mourning Dove, tail. 300 
48. Cuckoo. ... 307 
49. Road-runner. 310 
50. Bam Owl. 314 
51. Screech Owls, young. 319 
52. Pallid Homed Owl, head. 321 
53. Arizona Spotted Owl. 331 
54. Long-eared Owl. 333 
55. Short-eared Owl. 335 
56. Saw-whet Owl, head....». 338 
57. Nighthawk, foot. 342 
