File:Wing elements of flightless and volant auks depicting decreased range of motion and shortening of distal wing elements.jpg

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Description Wing elements of flightless and volant auks depicting decreased range of motion and shortening of distal wing elements. Elements not to scale and degree of flexion estimated based on manual articulation of specimens: A Mancalla (composite LACM 154560) B Pinguinus impennis (composite USNM 346387) C Alca torda (NCSM 20502). Anatomical abbreviations: c carpometacarpus h humerus r radius u ulna.
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Source Smith, N.A. 2010. Taxonomic revision and phylogenetic analysis of the flightless Mancallinae (Aves, Pan-Alcidae) Zookeys 91: 1–116 doi:10.3897/zookeys.91.709
Author Neil Adam Smith
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current22:07, 17 May 2011Thumbnail for version as of 22:07, 17 May 20111,512 × 686 (91 KB)Innotata (talk | contribs){{Information |Description=Wing elements of flightless and volant auks depicting decreased range of motion and shortening of distal wing elements. Elements not to scale and degree of flexion estimated based on manual articulation of specimens: A ''Mancall

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