| 1. |
American Bittern & Least Bittern |
0:28 |
| 2. |
Brewer's Blackbird & Red-winged Blackbird |
0:54 |
| 3. |
Rusty Blackbird & Yellow-headed Blackbird |
0:41 |
| 4. |
Eastern Bluebird & Bobolink |
0:50 |
| 5. |
Indigo Bunting & Northern Cardinal |
0:55 |
| 6. |
Grey Catbird & Yellow-breasted Chat |
0:37 |
| 7. |
Black-capped Chickadee & Boreal Chickadee |
0:31 |
| 8. |
Greater Prairie Chicken & American Coot |
0:36 |
| 9. |
Brown-headed Cowbird & Sandhill Crane |
0:44 |
| 10. |
Brown Creeper & White-winged Crossbill |
0:39 |
| 11. |
American Crow & Black billed Cuckoo |
0:43 |
| 12. |
Yellow-billed Cuckoo & Dickcissel |
0:30 |
| 13. |
Mourning Dove & Rock Dove |
0:33 |
| 14. |
Short-billed Dowitcher & Wood Duck |
0:27 |
| 15. |
Bald Eagle & Great Egret |
0:35 |
| 16. |
House Finch & Purple Finch |
0:36 |
| 17. |
Yellow-shafted Flicker & Acadian Flycatcher |
0:31 |
| 18. |
Alder Flycatcher & Great-crested Flycatcher |
0:23 |
| 19. |
Least Flycatcher & Olive-sided Flycatcher |
0:24 |
| 20. |
Willow Flycatcher & Yellow-bellied Flycatcher |
0:26 |
| 21. |
Blue-gray Gnatcatcher & American Goldfinch |
0:40 |
| 22. |
Canada Goose & Northern Goshawk |
0:33 |
| 23. |
Common Grackle & Pied-billed Grebe |
0:32 |
| 24. |
Evening Grosbeak & Rose-breasted Grosbeak |
0:41 |
| 25. |
Ruffed Grouse & Ring-billed Gull |
0:54 |
| 26. |
Broad-winged Hawk & Red-shouldered Hawk |
0:28 |
| 27. |
Red-tailed Hawk & Black-crowned Night Heron |
0:31 |
| 28. |
Green Heron & Ruby-throated Hummingbird |
0:22 |
| 29. |
Blue Jay & Grey Jay |
0:44 |
| 30. |
Dark-eyed Junco & American Kestrel |
0:34 |
| 31. |
Killdeer & Eastern Kingbird |
0:43 |
| 32. |
Belted Kingfisher & Golden-crowned Kinglet |
0:32 |
| 33. |
Ruby-crowned Kinglet & Horned Lark |
0:38 |
| 34. |
Common Loon & Mallard |
0:32 |
| 35. |
Purple Martin & Eastern Meadowlark |
0:32 |
| 36. |
Western Meadowlark & Merlin |
0:29 |
| 37. |
Common Moorhen & Red-breasted Nuthatch |
0:31 |
| 38. |
White-breasted Nuthatch & Baltimore Oriole |
0:37 |
| 39. |
Orchard Oriole & Barred Owl |
0:41 |
| 40. |
Eastern Screech Owl & Great-horned Owl |
0:41 |
| 41. |
Long-eared Owl & Northern Saw-whet Owl |
0:27 |
| 42. |
Eastern Wood Pewee & Ring-necked Pheasant |
0:27 |
| 43. |
Eastern Phoebe & Semipalmated Plover |
0:35 |
| 44. |
Sora Rail & Virginia Rail |
0:48 |
| 45. |
Yellow Rail & Common Raven |
0:48 |
| 46. |
American Robin & Baird's Sandpiper |
0:30 |
| 47. |
Pectoral Sandpiper & Semipalmated Sandpiper |
0:25 |
| 48. |
Spotted Sandpiper & Upland Sandpiper |
0:37 |
| 49. |
Yellow-bellied Sapsucker & Pine Siskin |
0:29 |
| 50. |
Common Snipe & Sparrow Tree American |
0:32 |
| 51. |
Chipping Sparrow & Clay-colored Sparrow |
0:37 |
| 52. |
Field Sparrow & Grasshopper Sparrow |
0:53 |
| 53. |
Henslow's Sparrow & House Sparrow |
0:22 |
| 54. |
Lark Sparrow & Lincoln Sparrow |
0:45 |
| 55. |
Savannah Sparrow & Song Sparrow |
0:53 |
| 56. |
Swamp Sparrow & Vesper Sparrow |
0:34 |
| 57. |
White-throated Sparrow & European Starling |
1:00 |
| 58. |
Bank Swallow & Barn Swallow |
0:32 |
| 59. |
Northern Rough-winged Swallow & Tree Swallow |
0:34 |
| 60. |
Trumpeter Swan & Chimney Swift |
0:34 |
| 61. |
Scarlet Tanager & Blue-winged Teal |
0:43 |
| 62. |
Black Tern & Caspian Tern |
0:34 |
| 63. |
Forster's Tern & Brown Thrasher |
0:49 |
| 64. |
Hermit Thrush & Swainson's Thrush |
0:39 |
| 65. |
Wood Thrush & Tufted Titmouse |
0:38 |
| 66. |
Eastern Towhee & Wild Turkey |
0:34 |
| 67. |
Veery & Bell's Vireo |
0:49 |
| 68. |
Blue-headed Vireo & Philadelphia Vireo |
0:51 |
| 69. |
Red-eyed Vireo & Warbling Vireo |
1:01 |
| 70. |
Yellow-throated Vireo & Bay-breasted Warbler |
0:46 |
| 71. |
Black and White Warbler & Blackburnian Warbler |
0:47 |
| 72. |
Blackpoll Warbler & Black-throated Blue Warbler |
0:39 |
| 73. |
Black-throated Green Warbler & Blue-winged Warbler |
0:39 |
| 74. |
Canada Warbler & Cape May Warbler |
0:37 |
| 75. |
Cerulean Warbler & Chestnut-sided Warbler |
0:39 |
| 76. |
Connecticut Warbler & Golden-winged Warbler |
0:45 |
| 77. |
Hooded Warbler & Kentucky Warbler |
0:32 |
| 78. |
Magnolia Warbler & Mourning Warbler |
0:27 |
| 79. |
Nashville Warbler & Ovenbird Warbler |
0:35 |
| 80. |
Palm Warbler & Northern Parula |
0:42 |
| 81. |
Pine Warbler & Prothonotary Warbler |
0:38 |
| 82. |
Redstart Warbler & Tennessee Warbler |
0:41 |
| 83. |
Wilson's Warbler & Worm-eating Warbler |
0:32 |
| 84. |
Yellow Warbler & Common Yellowthroat |
0:34 |
| 85. |
Yellow-rumped Warbler & Yellow-throated Warbler |
0:46 |
| 86. |
Louisiana Waterthrush & Northern Waterthrush |
0:38 |
| 87. |
Bohemian Waxwing & Cedar Waxwing |
0:32 |
| 88. |
Whip-poor-will & Willet |
0:39 |
| 89. |
American Woodcock & Downy Woodpecker |
0:46 |
| 90. |
Hairy Woodpecker & Pileated Woodpecker |
0:51 |
| 91. |
Red-bellied Woodpecker & Red-headed Woodpecker |
0:35 |
| 92. |
Carolina Wren & House Wren |
0:42 |
| 93. |
Marsh Wren & Sedge Wren |
0:41 |
| 94. |
Winter Wren & Greater Yellowlegs |
0:30 |
| 95. |
Lesser Yellowlegs |
0:11 |
