Codes & Dates:

 April 17-24, 2005
 in Colorado (co) 
 in adjacent Kansas (ks)
 in adjacent Nebraska (ne) 
 in adjacent Oklahoma (ok)
 in nearby Wyoming (wy)
              
        
(t): a globally threatened or rare species, designated by Birdlife International
(t1): critical     (t2): endangered     (t3): vulnerable
(nt): a near-threatened species globally
(r/co): rare in Colorado
(r/ks): rare in Kansas
(i): introduced species
(h): heard only

Upcoming North American Birding & Nature Tours

1. Common Loon - wy
   
2. Eared Grebe - co,wy
   
3. Pied-billed Grebe - co,wy
   
4. Western Grebe - co,wy 
   
5. American White Pelican - co,wy
   
6. Double-crested Cormorant - co,ks,wy
   
7. Great Blue Heron - co,wy
   
8. Snowy Egret - co
   
9. Black-crowned Night-Heron - wy
    
10. White-faced Ibis - co,wy
    
11. Canada Goose - co,ks,wy
    
12. Wood Duck - co,ks
    
13. Mallard - co,ks,wy
    
14. Gadwall - co,wy
    
15. Northern Pintail - co
    
16. American Wigeon - co,ks,wy
    
17. Northern Shoveler - co,ks,wy
    
18. Cinnamon Teal - co,wy
    
19. Blue-winged Teal - co,ks
    
20. American Green-winged Teal - co,ks,wy
    
21. Redhead - co,wy
    
22. Canvasback - co,wy
    
23. Ring-necked Duck - co,ks,wy
    
24. Lesser Scaup - co,wy
    
25. Bufflehead - co,wy
    
26. Common Merganser - co,wy
    
27. Ruddy Duck - co,wy
    
28. Turkey Vulture - co,ks,wy
    
29. Golden Eagle - co,wy
    
30. Bald Eagle - co,wy
    
31. Northern Harrier - co,ks,wy
    
32. Cooper's Hawk - co,ky,wy
    
33. Swainson's Hawk - co,ks,wy
    
34. Red-tailed Hawk - co,wy
    
35. Ferruginous Hawk (nt) - co,ks
    
36. American Kestrel - co,ks,wy
    
37. Prairie Falcon - co
    
38. Scaled Quail - ok
    
39. Common (or Ring-necked) Pheasant (i) - co,ks,ok
    
40. BLUE GROUSE - co
    
41. SHARP-TAILED GROUSE - co
    
42. LESSER PRAIRIE-CHICKEN (t3) - ks 
    
43. GREATER PRAIRIE CHICKEN (nt) - co
    
44. GREATER SAGE-GROUSE - co
    
45. GUNNISON SAGE-GROUSE (t2) -co (nearly endemic to Colorado, only a few in Utah)
    
46. Wild Turkey - co
    
47. American Coot - co,ks,wy
    
48. Sandhill Crane - co
    
49. Semipalmated Plover - co
    
50. Piping Plover (t3) - co
    
51. Snowy Plover - co
    
52. Mountain Plover (t3) - co
    
53. Killdeer - co,ks,ok,wy
    
54. American Avocet - co,ks,wy
    
55. Black-necked Stilt - co
    
56. Greater Yellowlegs - co
     
57. Lesser Yellowlegs - co
    
58. Willet - co
    
59. Long-billed Curlew (nt) - co
    
60. Marbled Godwit - co
    
61. Western Sandpiper - co
    
62. Least Sandpiper - co
    
63. Long-billed Dowitcher - co
    
64. Wilson's Snipe - co,ks,wy  (was called Common Snipe when conspecific with the Old World population)
    
65. Bonaparte's Gull - co,wy
    
66. Ring-billed Gull - co
    
67. California Gull - co,wy
    
68. (American) Herring Gull - wy
    
69. Forster's Tern - co
    
70. Feral Pigeon (i) - co,ks,ne,ok,wy
    
71. Eurasian Collared-Dove (i) - co,ne,ok
    
72. Mourning Dove - co,ks,ne,ok,wy
    
73. Great Horned Owl - co,ks
    
74. Burrowing Owl - co
    
75. White-throated Swift - co
    
76. Belted Kingfisher - co
    
77. Red-naped Sapsucker - co,wy
    
78. Red-bellied Woodpecker (r/co) - co
    
79. Downy Woodpecker - co,ks,wy
    
80. Hairy Woodpecker - co,wy
    
81. Northern Flicker - co,ks,wy  (during the tour, mostly Red-shafted form, but some Yellow-shafted in far-east Colorado, Kansas, & Nebraska) 
    
82. Gray Flycatcher - co
    
83. Eastern Phoebe - co,ks
    
84. Say's Phoebe - co,ks
    
85. Loggerhead Shrike - co,ks
    
86. Tree Swallow - co,wy
    
87. Violet-green Swallow - co
    
88. Bank Swallow - co  (called Sand Martin in the Old World) 
    
89. Barn Swallow - co,ks,wy
    
90. Cliff Swallow - ks
    
91. Horned Lark - co,ks,ok,wy
    
92. Steller's Jay - co
    
93. Blue Jay - co
    
94. Western Scrub-Jay - co
    
95. Pinyon Jay - co
    
96. Gray Jay - co,wy
    
97. Clark's Nutcracker - co
    
98. Black-billed Magpie - co,wy
    
99. Northern Raven - co,wy
    
100. Chihuahuan Raven - co,ok
     
101. American Crow - co,wy
     
102. Black-capped Chickadee - co,wy
     
103. Mountain Chickadee - co,wy
     
104. American Bushtit - co
     
105. Red-breasted Nuthatch - co
     
106. White-breasted Nuthatch - co
     
107. Pygmy Nuthatch - co
     
108. House Wren - co
     
109. Marsh Wren - wy
     
110. Rock Wren - co
     
111. Canyon Wren - co
     
112. American Dipper - co
     
113. Ruby-crowned Kinglet - co,wy
     
114. Blue-gray Gnatcatcher - co
     
115. Mountain Bluebird - co,wy
     
116. Western Bluebird - co
     
117. Eastern Bluebird - ks
     
118. Townsend's Solitaire - wy
     
119. American Robin - co,ks,ne,wy
     
120. Northern Mockingbird - co,ks
     
121. Sage Thrasher - co
     
122. European Starling (i) - co,ks,ok,wy
     
123. Cedar Waxwing - co
     
124. Orange-crowned Warbler - co
     
125. Virginia's Warbler - co
     
126. "Audubon's" Yellow-rumped Warbler - co,ks,wy
     
127. "Myrtle" Yellow-rumped Warbler - co,ks
     
128. Black-throated Gray Warbler - co
     
129. Western Meadowlark - co,ks,ne,ok,wy
     
130. Red-winged Blackbird - co,ks,ok,wy
     
131. Yellow-headed Blackbird - co,ks,wy
     
132. Brewer's Blackbird - co
     
133. Common Grackle - co,ks,ne,wy
     
134. Great-tailed Grackle - co,ok
     
135. Brown-headed Cowbird - co
     
136. Northern Cardinal (r/co) - co
     
137. Spotted Towhee - co
     
138. Green-tailed Towhee - co
     
139. Cassin's Sparrow - ks
     
140. Brewer's Sparrow - co
     
141. Chipping Sparrow - co
     
142. Grasshopper Sparrow - ks
     
143. Savannah Sparrow - co
     
144. Vesper Sparrow - co,ks,wy
     
145. Lark Sparrow - co
     
146. White-crowned Sparrow - co
     
147. Song Sparrow - co,ks
     
148. Lincoln's Sparrow - co
     
149. "White-winged" Dark-eyed) Junco - ks
     
150. "Pink-sided" Dark-eyed Junco - co
     
151. "Gray-headed" Dark-eyed Junco - co,wy  
     
152. McCown's Longspur - co,wy
     
153. Chestnut-collared Longspur - co
     
154. Evening Grosbeak - wy
     
155. Pine Grosbeak - co,wy
     
156. Brown-capped Rosy-Finch - co  (almost endemic to Colorado)
     
157. Cassin's Finch - co,wy
     
158. House Finch - co
     
159. Red Crossbill - co,wy
     
160. Pine Siskin - co,ks
     
161. American Goldfinch - co,ks
     
162. House Sparrow (i) - co,ks,ne,wy  

1. Coyote - co
   
2. Yellow-bellied Marmot - co  (the "Rockchuck")
   
3. Black-tailed Prairie Dog - co,ks
   
4. White-tailed Praire Dog - co
   
5. Gunnison's Prairie Dog - co
   
6. Wyoming Ground Squirrel - co,wy  (formerly conspecific with Richardson's Ground Squirrel)
   
7. Thirteen-lined Ground Squirrel - co
   
8. Golden-mantled Ground Squirrel - co
   
9. Least Chipmunk - co
   
10. Rock Squirrel - co
     
11. Eastern Fox Squirrel - co
    
12. Red Squirrel - co
    
13. Muskrat - co
    
14. American Beaver - co
    
15. American Badger - co
    
16. Striped Skunk - co
     
17. Mountain Cottontail (has also been called Nuttall's Cottontail) - co
    
18. Desert Cottontail - co
    
19. Eastern Cottontail - co,ks
    
20. Black-tailed Jackrabbit - co,ks
    
21. White-tailed Jackrabbit - co
    
22. Snowshoe (or Varying) Hare - co
    
23. Bighorn Sheep - co
    
24. (Plains) Bison (also called Buffalo) - co 
    
25. Pronghorn - co,wy
    
26. (American) Elk (also called Wapiti) - co
    
27. Moose - co  (In Europe, called Elk) 
    
28. Mule Deer - co