The University of Southampton
University of Southampton Institutional Repository

Avian brachial index and wing-kinematics: putting movement back into bones

Avian brachial index and wing-kinematics: putting movement back into bones
Avian brachial index and wing-kinematics: putting movement back into bones
The relationship between wing kinematics, wing morphology and the brachial index of birds (BI=humerus length/ulna length) was examined. BI was found to differ between three groups of birds, which were classified on the basis of similar wing kinematics. In addition, a comparative analysis of a large dataset, using phylogenetically independent contrasts, suggested a significant, albeit weak, correlation between BI and four measures of wing morphology (wing loading, wing area, wing length and aspect ratio). Although wing kinematics and wing morphology are both correlated with BI in birds, the dominant selective pressure upon this ratio is probably wing kinematics. The previously identified clade specificity of BI within Neornithes is most likely because birds with similar BIs fly with kinematic similarity and closely related birds have similar flight styles. A correlation between BI and wing kinematics means that it may be possible to characterize the wing beat of fossil birds. A more robust relationship between wing morphology and BI may emerge, but only after the relationship between wing kinematics and BI is quantified. A comparative and quantitative study of wing-bone anatomy and wing kinematics is a priority for future studies of avian wing-skeleton evolution and functional morphology.

0952-8369
218-226
Nudds, R.L.
f9e7472c-b4b8-4d09-bff5-68720e554ac8
Dyke, Gareth J.
600ca61e-b40b-4c86-b8ae-13be4e331e94
Rayner, J.M.V.
89a4f015-d726-4073-babb-39027494dfe3
Nudds, R.L.
f9e7472c-b4b8-4d09-bff5-68720e554ac8
Dyke, Gareth J.
600ca61e-b40b-4c86-b8ae-13be4e331e94
Rayner, J.M.V.
89a4f015-d726-4073-babb-39027494dfe3

Nudds, R.L., Dyke, Gareth J. and Rayner, J.M.V. (2007) Avian brachial index and wing-kinematics: putting movement back into bones Journal of Zoology, 272, (2), pp. 218-226. (doi:10.1111/j.1469-7998.2006.00261.x).

Record type: Article

Abstract

The relationship between wing kinematics, wing morphology and the brachial index of birds (BI=humerus length/ulna length) was examined. BI was found to differ between three groups of birds, which were classified on the basis of similar wing kinematics. In addition, a comparative analysis of a large dataset, using phylogenetically independent contrasts, suggested a significant, albeit weak, correlation between BI and four measures of wing morphology (wing loading, wing area, wing length and aspect ratio). Although wing kinematics and wing morphology are both correlated with BI in birds, the dominant selective pressure upon this ratio is probably wing kinematics. The previously identified clade specificity of BI within Neornithes is most likely because birds with similar BIs fly with kinematic similarity and closely related birds have similar flight styles. A correlation between BI and wing kinematics means that it may be possible to characterize the wing beat of fossil birds. A more robust relationship between wing morphology and BI may emerge, but only after the relationship between wing kinematics and BI is quantified. A comparative and quantitative study of wing-bone anatomy and wing kinematics is a priority for future studies of avian wing-skeleton evolution and functional morphology.

Full text not available from this repository.

More information

Published date: 2007
Organisations: Ocean Biochemistry & Ecosystems

Identifiers

Local EPrints ID: 205211
URI: http://eprints.soton.ac.uk/id/eprint/205211
ISSN: 0952-8369
PURE UUID: 4bbbf25a-e784-4d11-a5cc-1ccfd006d85e

Catalogue record

Date deposited: 07 Dec 2011 15:02
Last modified: 18 Jul 2017 11:05

Export record

Altmetrics

Contributors

Author: R.L. Nudds
Author: Gareth J. Dyke
Author: J.M.V. Rayner

University divisions

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×