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7“...The impact of ornithologists on nesting Peregrine Falcons Falco peregrinus discussed in terms...”
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11by Iowa Ornithologists' Union“...Compilation of sightings data for the Glaucous Gull submitted to the Iowa Ornithologists' Union...”
Published 1982
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12by Iowa Ornithologists' Union“...Compilation of sightings data for the Greater Scaup submitted to the Iowa Ornithologists' Union...”
Published 1911
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13by Iowa Ornithologists' Union“...Compilation of sightings data for the Ruddy Turnstone submitted to the Iowa Ornithologists' Union...”
Published 1980
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14by Iowa Ornithologists' Union“...Compilation of sightings data for the Northern Goshawk submitted to the Iowa Ornithologists' Union...”
Published 1979
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15by Iowa Ornithologists' Union“...Compilation of sightings data for the Northern Shoveler submitted to the Iowa Ornithologists' Union...”
Published 1972
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16by Iowa Ornithologists' Union“...Compilation of sightings data for the Peregrine Falcon submitted to the Iowa Ornithologists' Union...”
Published 1979
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17by Iowa Ornithologists' Union“...Compilation of sightings data for the Snow Bunting submitted to the Iowa Ornithologists' Union...”
Published 1962
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18by Iowa Ornithologists' Union“...Compilation of sightings data for the Snowy Owl submitted to the Iowa Ornithologists' Union...”
Published 1979
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19by Iowa Ornithologists' Union“...Compilation of sightings data for the Tundra Swan submitted to the Iowa Ornithologists' Union...”
Published 1979
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