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3by Wall, MichaelSubjects: “...Long-billed curlew...”
Published 2021
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4by Oglesby, Larry C.“...A sizeable group of long-billed curlews, dunlins, and dowitchers standing on the shore....”
Published 1982
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5by Oglesby, Larry C.Subjects: “...Long-billed curlews...”
Published 1982
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10by Grimes, Samuel A.Subjects: “...Long-billed Marsh Wren...”
Published 1926
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11by Grimes, Samuel A.Subjects: “...Long-billed Marsh Wren...”
Published 1926
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12by Jennings, Scott, Varsani, Arvind, Dugger, Katie M, Ballard, Grant, Ainley, David G“... males averaging larger than adult females in mass (~11%) as well as bill (~8%) and flipper length (~3...”
Published in PLOS ONE (2016)
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13by Fernández-Juricic, Esteban, Moore, Bret A., Doppler, Megan, Freeman, Joseph, Blackwelll, Bradley F., Lima, Steven L., DeVault, Travis L.“... have relatively wide binocular fields and can see their bill tips. Goose head movement rates were low...”
Published 2011
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14by Oglesby, Larry C.“...Close-up of male duck with a bluish-gray bill sitting in a pool of water....”
Published 1976
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15by Young, Euan“..., such as their hooked bill, that reflect their predatory lifestyle....”
Published 1993
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16by Young, Euan“...The brown skua is a large, aggressive bird. Its powerful, hooked bill is capable of inflicting...”
Published 1992
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17by Young, Euan“...The characteristic hooked bill of the skuas is due to a prominent distal 'nail' on the upper...”
Published 1992
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18by Olavarria, Carlos“...In addition to the strong, hooked bill skuas share another characteristic with terrestrial birds...”
Published 2009
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19by Young, Euan“...The strong, hooked bill and claws of the south polar skua mean that it is well equipped...”
Published 1993
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20“... and female body mass, wing length, tarsus length, bill length, and tail length from major ornithological text...”
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Article in Journal/Newspaper