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1Published 1987“... be was convinced that that was what he had seen. After the date of this sighting Eskimo Curlews were reported from...”
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2by Clausen, Mary“... I walked several sections where Mountain Plovers have been sighted in the past. No Plovers were...”
Published 1990
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3by Ballance, Lisa T., Anderson, R. Charles, Pitman, Robert L., Stafford, Kathleen, Shaan, Abdullah, Waheed, Zaha, Brownell, Robert L., Jr.“... sightings of cetaceans encountered were recorded. Using modified line-transect methods and handheld...”
Published 2001
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4by Anschutz, Steven“... in Saskatchewan, Canada, and September 17 in North Dakota; the last sighting date was November 1 in Texas...”
Published 1993
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6“...Blue whales have been sighted throughout the North Pacific Ocean (Mizroch et al. 1984), and were...”
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8Published 1993“...Notes on Bird Sighting in Nebraska Black-bellied Whistling Ducks. On Wednesday, May 26, 1993, at 7...”
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10by Calambokidis, John, Barlow, Jay, Ford, John K. B., Chandler, Todd E., Douglas, Annie B.“... and in the Gulf of Alaska, there had been few documented sightings in these areas since whaling for blue whales...”
Published 2009
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11by Sharma, Rajnish, Thompson, Peter C., Hoberg, Eric P., Scandrett, W. Brad, Konecsni, Kelly, Harms, N. Jane, Kukka, Piia M., Jung, Thomas S., Elkin, Brett, Mulders, Robert, Larter, Nicholas C., Branigan, Marsha, Pongracz, Jodie, Wagner, Brent, Kafle, Pratap, Lobanov, Vladislav A., Rosenthal, Benjamin M., Jenkins, Emily J.Get access
Published 2020
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12by Clapham, Phillip J., Good, Caroline, Quinn, Sara E., Reeves, Randall R., Scarff, James E., Brownell, Robert L., Jr.“... century, primarily in the 1960s. Monthly plots of right whale sightings and catches from both the 19th...”
Published 2004
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13by Rausch, Robert L.“... Clark at the base of the Alaska Peninsula, and also mentioned a sight record for Keejik Mountain by Lake...”
Published 1961
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14“... to take advantage of the gulls' innate predator avoidance mechanisms, by removing their line of sight...”
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15by Mahamane, Salif, Grunig, Kevin L., Baker, Joseph, Young, Julie K., Jordan, Kerry E.“... of sight. The coyotes were then allowed to select one of either non-visible food quantities. Coyotes...”
Published 2014
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16by Johnsgard, Paul A.“... sight records for the garganey, as well as an occurrence of the Chinese spot-billed duck (Anas...”
Published 2010
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17by Johnsgard, Paul A.“... known from Nebraska only from a few sight records. Dr. George Hudson observed one at Oak Creek Park...”
Published 1990
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18by Johnsgard, Paul A.“... span thousands of miles, and the sight of their long, wavering flight formations are as much...”
Published 2016
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19by Schafer, Laurence M.“... of post-release movements indicated that translocated red-tails remained at the release sight...”
Published 2000
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20by Brogie, Mark A.“... often went completely out of sight beneath the surface. The birds could be separated, as one was missing...”
Published 1989
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