2026-10-12T09:10:18Z https://api.figshare.com/v2/oai

oai:figshare.com:article/34035948 2026-09-30T17:42:34Z category_1 category_915 category_21 category_272 category_39 category_734 category_106 portal_5 item_type_6 month_year_09_2026

<p>Sample sequences of wingbeat motions across speeds in European nightjars.</p> L. Christoffer Johansson (8029388) Gabriel Norevik (589846) Sonja Friman (25145400) Anders Hedenström (150704) Biophysics Physical Sciences not elsewhere classified Biotechnology Environmental Sciences not elsewhere classified Ecology Biological Sciences not elsewhere classified Science Policy using wake visualization reduced span efficiency phenomenon may stem multiple costly behaviors may apply generally kinematic analysis suggests characteristic previously attributed caprimulgus europaeus </ cruising speed efficiency reflects complex tradeoffs european nightjar (< also uses slow div >< p cruising flight — cruising speeds tradeoffs seen slow flight nightjar ’ hummingbirds — wing shape wing folding wind tunnel results highlight particularly interesting makes studies generating lift flight speeds flight performance flapping flight feeding ecology faster speeds existing paradigm ecological demands distance migrant animals engaged aerodynamic mechanisms aerodynamic measurements <p>Tracks over frames for the wing tip (red), trailing edge (green), wrist (orange) relative to the shoulder (blue) as seen from the front (left column), the side (middle column) and below (right column), going from slow (top row) to fast flight (bottom row). Note the change in mean wing elevation across speed and the limited span ratio in the left column and the change in stroke plane in the middle column.</p> <p>(PDF)</p> 2026-09-30T18:03:55Z Text Journal contribution 10.1371/journal.pbio.3004023.s006 https://figshare.com/articles/journal_contribution/_p_Sample_sequences_of_wingbeat_motions_across_speeds_in_European_nightjars_p_/34035948 CC BY 4.0