image: A prepared, spread wing from an American kestrel (Falco sparverius); part of the Cowan Tetrapod Collection at the Beaty Biodiversity Museum in Vancouver, BC, Canada. Markers indicate the locations of joints or other features of the skeleton. This material relates to a paper that appeared in the Oct. 23rd, 2019, issue of Science Advances, published by AAAS. The paper, by V.B. Baliga at University of British Columbia in Vancouver, BC, Canada, and colleagues was titled, "Range of motion in the avian wing is strongly associated with flight behavior and body mass." view more
Credit: Vikram B. Baliga