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Publications for publication type Article and publication subtype Journal Article
- Breeding bird populations of selected grasslands in east-central North Dakota -- 1974 - Kentucky bluegrass prairie and mixed prairie I-V, VII, 1974, American Birds (28) - 6
- Thirty-seventh breeding-bird census. 15. Upland tulip-tree-maple-oak forest, 1973, American Birds (27) - 6
- Thirty-seventh breeding-bird census. 12. Hickory-oak-ash floodplain forest, 1973, American Birds (27) - 6
- Thirty-seventh breeding-bird census. [Introduction], 1973, American Birds (27) - 6
- The seventy-third Christmas bird count. 314. Back Bay National Wildlife Refuge, Va, 1973, American Birds (27) - 2
- The seventy-third Christmas bird count. 327. Little Creek, Va, 1973, American Birds (27) - 2
- Twenty-sixth winter bird-population study. 9. Hickory-oak-ash floodplain forest, 1973, American Birds (27) - 3
- Twenty-sixth winter bird-population study. 10. Upland tulip-tree-maple-oak forest, 1973, American Birds (27) - 3
- The seventy-third Christmas bird count. [Untitled. Summary for Delaware, Maryland, District of Columbia, and Virginia], 1973, American Birds (27) - 2
- Thirty-seventh breeding bird census - mixed prairie, 1973, American Birds (27) - 6
- The seventy-second Christmas bird count. 296. Ocean City, Md, 1972, American Birds (26) - 2
- Distribution and numbers of the California condor, 1966-1971, 1972, American Birds (26) - 5
- Thirty-sixth breeding-bird census, 1972, American Birds (26) - 6
- Thirty-sixth breeding bird census. 6. Upland tulip tree-maple-oak forest, 1972, American Birds (26) - 6
- An appraisal of the winter bird-population study technique, 1972, American Birds (26) - 3
- The seventy-second Christmas bird count. 307. Back Bay National Wildlife Refuge, Va, 1972, American Birds (26) - 2
- 25th winter bird-population study. 9. Upland tulip-tree--maple--oak forest, 1972, American Birds (26) - 3
- The seventy-second Christmas bird count. 319. Little Creek, Va, 1972, American Birds (26) - 2
- 25th winter bird-population study. 8. Hickory-oak-ash floodplain forest, 1972, American Birds (26) - 3
- Breeding bird populations of selected grasslands in east-central North Dakota, 1972, American Birds (26) - 6
- Seventy-first Christmas bird count. 303. Little Creek, Va, 1971, American Birds (25) - 2
- Thirty-fifth breeding bird census: 10. Upland tulip-tree_maple-oak forest, 1971, American Birds (25) - 6
- Thirty-fifth breeding- bird census: 1. Hickory-oak-ash floodplain forest, 1971, American Birds (25) - 6
- Seventy-first Christmas bird count. 291. Back Bay National Wildlife Refuge, Va, 1971, American Birds (25) - 2
- Thirty-fifth breeding-bird census. 47. Powerline right-of-way, 1971, American Birds (25) - 6
201 results.
Page 8, results 176 - 200