Kinematic control of male Allen's hummingbird wing trill over a range of flight speeds

The Journal of Experimental Biology
Christopher James Clark, Emily A Mistick

Abstract

Wing trills are pulsed sounds produced by modified wing feathers at one or more specific points in time during a wingbeat. Male Allen's hummingbirds (Selasphorus sasin) produce a sexually dimorphic 9 kHz wing trill in flight. Here, we investigated the kinematic basis for trill production. The wingtip velocity hypothesis posits that trill production is modulated by the airspeed of the wingtip at some point during the wingbeat, whereas the wing rotation hypothesis posits that trill production is instead modulated by wing rotation kinematics. To test these hypotheses, we flew six male Allen's hummingbirds in an open-jet wind tunnel at flight speeds of 0, 3, 6, 9, 12 and 14 m s-1, and recorded their flight with two 'acoustic cameras' placed below and behind, or below and lateral to the flying bird. The acoustic cameras are phased arrays of 40 microphones that used beamforming to spatially locate sound sources within a camera image. Trill sound pressure level (SPL) exhibited a U-shaped relationship with flight speed in all three camera positions. SPL was greatest perpendicular to the stroke plane. Acoustic camera videos suggest that the trill is produced during supination. The trill was up to 20 dB louder during maneuvers than it wa...Continue Reading

References

Jun 18, 1999·Science·M H DickinsonS P Sane
Sep 11, 2003·The Journal of Experimental Biology·Kimberly S Bostwick, Richard O Prum
Jun 19, 2007·The Journal of Experimental Biology·Bret W TobalskeAndrew A Biewener
Jan 10, 2009·Science·Lauren J CatorRonald R Hoy
Sep 4, 2009·Proceedings. Biological Sciences·Mae Hingee, Robert D Magrath
May 12, 2010·Physiological and Biochemical Zoology : PBZ·Christopher James Clark, Robert Dudley
Sep 10, 2011·Science·Christopher J ClarkRichard O Prum
Aug 31, 2012·The Journal of Experimental Biology·Douglas L AltshulerKevin M Middleton
Jun 6, 2013·The Journal of Experimental Biology·Christopher J ClarkRichard O Prum
Jun 6, 2013·The Journal of Experimental Biology·Christopher J ClarkRichard O Prum
Sep 23, 2014·The Journal of the Acoustical Society of America·Benjamin J ArthurRonald R Hoy
Dec 9, 2014·Current Biology : CB·Arjan BoonmanYossi Yovel
Apr 1, 2016·The Journal of Experimental Biology·Christopher J ClarkRichard O Prum
May 22, 2016·The Journal of Experimental Biology·Robert L Niese, Bret W Tobalske
Sep 7, 2016·The Journal of Experimental Biology·Bo ChengXinyan Deng
Jan 31, 2018·Evolution; International Journal of Organic Evolution·Christopher J ClarkRichard O Prum
Apr 17, 2018·Current Biology : CB·Christopher J Clark, Emily A Mistick

❮ Previous
Next ❯

Citations

Aug 11, 2020·Integrative and Comparative Biology·Valentina Gómez-BahamónChristopher J Clark
Jul 30, 2020·Ecology and Evolution·Tessa A RhinehartJustin Kitzes
Aug 28, 2020·The Journal of Experimental Biology·Christopher J Clark, Emily A Mistick
Jun 3, 2020·Integrative and Comparative Biology·Robert L NieseBret W Tobalske
Mar 12, 2021·Integrative and Comparative Biology·Christopher J Clark
Jul 14, 2021·Journal of the Royal Society, Interface·Michael ReinwaldBeth Mortimer

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.

Related Papers

Physiological and Biochemical Zoology : PBZ
Christopher James Clark, Robert Dudley
The Journal of Experimental Biology
Bret W TobalskeAndrew A Biewener
© 2022 Meta ULC. All rights reserved