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1by Domaniewski, Janusz (1891–1954)Subjects: “...White-billed Diver...”
Published 1932
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4“... bones (especially tarsometatarsus) and reduced wings. Its bill is relatively curved and the bill...”
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5“... bones (especially tarsometatarsus) and reduced wings. Its bill is relatively curved and the bill...”
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6“... confined to a single island. The bill of all of the new species described herein differs from the short...”
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7“... Miocene Protibis cnemialis Ameghino 1891 (Tonni, 1980), and an indeterminate Late Eocene ibis-like bill...”
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8by Young, Euan“..., such as their hooked bill, that reflect their predatory lifestyle....”
Published 1993
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9by Finley, William L. (William Lovell), 1876-1953“...A Hudsonian curlew feeding with bill down. Note on envelope credits image to Olaus Murie....”
Published 1913
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10by Finley, William L. (William Lovell), 1876-1953“...A Hudsonian curlew feeding with bill in the sand. Note on the envelope credits image to Olaus Murie....”
Published 1913
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11by Young, Euan“...The brown skua is a large, aggressive bird. Its powerful, hooked bill is capable of inflicting...”
Published 1992
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12by 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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13by Olavarria, Carlos“...In addition to the strong, hooked bill skuas share another characteristic with terrestrial birds...”
Published 2009
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14by Wharton, Yvette“...South Polar skua have heavier bodies than their gull relatives, with a strong hook shaped bill....”
Published 2004
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15by Wharton, Yvette“...Adult skua have a very strong bill with a pronounced hook at the tip. This aids them in aggressive...”
Published 2004
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16“... confined to a single island. The bill of all of the new species described herein differs from the short...”
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17“... confined to a single island. The bill of all of the new species described herein differs from the short...”
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18by 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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19by Philippe, Anne, Plumejeaud-Perreau, Christine, Jourde, Jérôme, Pineau, Philippe, Lachaussée, Nicolas, Joyeux, Emmanuel, Corre, Frédéric, Delaporte, Philippe, Bocher, Pierrick“...Figure 2 - The harvestable fraction corresponding to the mean bill length of the sandpipers...”
Published 2017
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20“...), probably reflecting a decrease in use of M. depressor mandibulae for the rapid bill movements that occur...”
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