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It pays to follow the leader: Metabolic cost of flight is lower for trailing birds in small groups.
Proc Natl Acad Sci U S A
June 2024
Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599.
Many bird species commonly aggregate in flocks for reasons ranging from predator defense to navigation. Available evidence suggests that certain types of flocks-the V and echelon formations of large birds-may provide a benefit that reduces the aerodynamic cost of flight, whereas cluster flocks typical of smaller birds may increase flight costs. However, metabolic flight costs have not been directly measured in any of these group flight contexts [Zhang and Lauder, , jeb245617 (2023)].
View Article and Find Full Text PDFOf Humans and Machines in Endoscopy: Flying Solo, Instrument Aided, or on Autopilot?
Gastroenterology
July 2024
Division of Gastroenterology and Hepatology, Department of Medicine, Stanford University School of Medicine, Stanford, California. Electronic address:
Lessons from aviation safety: pilot monitoring, the sterile flight deck rule, and aviation-style computerised checklists in the operating room.
Br J Anaesth
November 2023
The Boeing Company, Seattle, WA, USA.
Commercial aviation practices including the role of the pilot monitoring, the sterile flight deck rule, and computerised checklists have direct applicability to anaesthesia care. The pilot monitoring performs specific tasks that complement the pilot flying who is directly controlling the aircraft flight path. The anaesthesia care team, with two providers, can be organised in a manner that is analogous to the two-pilot flight deck.
View Article and Find Full Text PDFInsect visuomotor delay adjustments in group flight support swarm cohesion.
Sci Rep
April 2023
Oklahoma State University, Stillwater, OK, USA.
Flying insects routinely demonstrate coordinated flight in crowded assemblies despite strict communication and processing constraints. This study experimentally records multiple flying insects tracking a moving visual stimulus. System identification techniques are used to robustly identify the tracking dynamics, including a visuomotor delay.
View Article and Find Full Text PDFEstimating fine-scale changes in turbulence using the movements of a flapping flier.
J R Soc Interface
November 2022
Department of Biosciences, Swansea University, Singleton Park, Swansea, UK.
All animals that operate within the atmospheric boundary layer need to respond to aerial turbulence. Yet little is known about how flying animals do this because evaluating turbulence at fine scales (tens to approx. 300 m) is exceedingly difficult.
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