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181by Brogie, Mark A.“... Kittiwakes; both first-winter plumaged birds. The birds were seen on the ice at Lake Yankton and feeding...”
Published 1989
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182by Brogie, Mark A.“... the question arose: "How many species of birds do you think one could see in Nebraska in one year...”
Published 1989
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183“... for migrant birds has decreased, and birds are now limited to choosing habitats that are uncharacteristic...”
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184Published 1991“.... In the counts that were held, an observer could see a difference in the number and types of birds seen between...”
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185“... [Mergus and Lophodytes spp.], and wood ducks [Aix sponsa]) was 37.3 ± 0.6 [SE] million birds...”
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186“..., and 75-77), the total duck population estimate was 36.2 ± 0.6 [SE] million birds. This was 14% greater...”
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187“..., and 75‒77), the total duck population estimate was 37.3 ± 0.6 [SE] million birds. This was 9% lower than...”
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188“... [Mergus and Lophodytes spp.], and wood ducks [Aix sponsa]) was 36.2 ± 0.6 [SE] million birds. This was 14...”
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189by Silcock, W. Ross“...-mysterious-bird-deaths-in-new-mexico/. On Sep 9, 2020, the temperature dropped from 96°F to 40°F...”
Published 2020
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190by Wilkins, Khristi A., Otto, Mark C., Zimmerman, Guthrie S., Silverman, Emily D., Koneff, Mark D.“... [Mergus and Lophodytes spp.], and wood ducks [Aix sponsa]) was 41.2 ± 0.8 [SE] million birds. This was 14...”
Published 2007
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191by Silcock, W. Ross“... in terms of ranges of breeding birds, as discussed in the accounts. See, for example, Little Blue Heron...”
Published 1999
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192“... at Aransas National Wildlife Refuge, or rarely, elsewhere. Documented winter losses amounted to 105 birds...”
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193“...The number of birds of a flocking species likely to be ingested into an aircraft engine in a...”
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194by Johnsgard, Paul A.“...Nearly all of the gallinaceous birds that are native to North America are included in two taxonomic...”
Published 2008
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195“... 1990 to 2008 (Dolbeer et al. 2009). Aircraft collisions with birds accounted for 97% of the reported...”
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196by Silcock, W. Ross“... by Clem Klaphake, I have been receiving the eBird daily rarity report for Nebraska which I find...”
Published 2012
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197Published 2005“... in the wild; these birds spend the winter at Aransas National Wildlife Refuge on the Texas coast and nest...”
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198by Dubovsky, James A.“...Observers counted 417 swans (white birds and cygnets) in the U.S. Breeding Segment of the Rocky...”
Published 2003
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199by Zimpfer, Nathan, Rhodes, Walt, Silverman, Emily D., Zimmerman, Guthrie, Koneff, Mark D.“... [Mergus spp. and Lophodytes cucullatus], and wood ducks [Aix sponsa]) was 40.9 ± 0.7 [SE] million birds...”
Published 2010
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200by Zimpfer, Nathan, Rhodes, Walt, Silverman, Emily D., Zimmerman, Guthrie, Koneff, Mark D.“... [Mergus spp. and Lophodytes cucullatus], and wood ducks [Aix sponsa]) was 42.0 ± 0.7 [SE] million birds...”
Published 2009
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