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  1. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  2. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  3. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  4. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1969
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  5. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1971
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  6. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  7. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1973
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  8. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1969
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  9. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  10. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  11. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  12. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  13. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1971
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  14. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  15. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1969-1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  16. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1971
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  17. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  18. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1971
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  19. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  20. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1969
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  21. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  22. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  23. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1969
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  24. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1971
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  25. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  26. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1969
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  27. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  28. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  29. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  30. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  31. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  32. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  33. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1969-1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  34. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1971
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  35. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  36. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  37. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  38. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  39. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  40. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1971
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  41. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1971
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  42. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1969
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  43. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1971
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  44. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  45. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  46. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1971
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  47. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1966-1973
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  48. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  49. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  50. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  51. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  52. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  53. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967-1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  54. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  55. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  56. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  57. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1971
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  58. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  59. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  60. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  61. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  62. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  63. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1969
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  64. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967-1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  65. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1969
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  66. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  67. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  68. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968-1969
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  69. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  70. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  71. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967-1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  72. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  73. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  74. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1966-1973
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  75. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  76. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1966
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  77. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  78. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  79. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  80. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1967
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  81. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  82. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  83. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1972
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  84. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1969-1970
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  85. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1972
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  86. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1971
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  87. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  88. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1969
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  89. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1971
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  90. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1970-1971
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  91. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1972
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  92. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1968
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  93. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1971
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  94. By: National Museum of Natural History (U.S.) Palearctic Migratory Bird Survey
    Publication info: 1969
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection