Results 11 to 20 of about 357,418 (307)

Diurnal Flight Activity of House Flies (Musca domestica) is Influenced by Sex, Time of Day, and Environmental Conditions

open access: yesInsects, 2020
House flies (Musca domestica L.) are common synanthropic pests associated with confined animal operations, including dairy farms. House flies can cause substantial nuisance and may transmit human and animal pathogens.
Levi K. Zahn, Alec C. Gerry
doaj   +1 more source

Controllable factors affecting accuracy and precision of human identification of animals from drone imagery

open access: yesEcosphere, 2023
Surveying animal populations using drones (unoccupied aircraft systems [UAS]) provides numerous advantages; however, few best practices exist to survey animal communities with drones.
Landon R. Jones   +7 more
doaj   +1 more source

Wing Design in Flies: Properties and Aerodynamic Function

open access: yesInsects, 2020
The shape and function of insect wings tremendously vary between insect species. This review is engaged in how wing design determines the aerodynamic mechanisms with which wings produce an air momentum for body weight support and flight control.
Swathi Krishna   +4 more
doaj   +1 more source

A dynamics and stability framework for avian jumping take-off [PDF]

open access: yesRoyal Society Open Science, 2018
Jumping take-off in birds is an explosive behaviour with the goal of providing a rapid transition from ground to airborne locomotion. An effective jump is predicated on the need to maintain dynamic stability through the acceleration phase.
Ben Parslew   +2 more
doaj   +1 more source

Humming hummingbirds, insect flight tones, and a model of animal flight sound [PDF]

open access: yesJournal of Experimental Biology, 2020
Why do hummingbirds hum and insects whine when their wings flap in flight? Gutin proposed that a spinning propeller produces tonal sound because the location of the center of aerodynamic pressure on each blade oscillates relative to an external receiver.
Christopher J. Clark, Emily A. Mistick
openaire   +2 more sources

FMRFa receptor stimulated Ca2+ signals alter the activity of flight modulating central dopaminergic neurons in Drosophila melanogaster. [PDF]

open access: yesPLoS Genetics, 2018
Neuropeptide signaling influences animal behavior by modulating neuronal activity and thus altering circuit dynamics. Insect flight is a key innate behavior that very likely requires robust neuromodulation.
Preethi Ravi   +2 more
doaj   +1 more source

Hovering hummingbird wing aerodynamics during the annual cycle. II. Implications of wing feather moult [PDF]

open access: yesRoyal Society Open Science, 2018
Birds usually moult their feathers in a particular sequence which may incur aerodynamic, physiological and behavioural implications. Among birds, hummingbirds are unique species in their sustained hovering flight.
Yonathan Achache   +2 more
doaj   +1 more source

Resolution of a paradox: Hummingbird flight at high elevation does not come without a cost [PDF]

open access: yes, 2004
Flight at high elevation is energetically demanding because of parallel reductions in air density and oxygen availability. The hovering flight of hummingbirds is one of the most energetically expensive forms of animal locomotion, but hummingbirds are ...
Altshuler, Douglas L.   +2 more
core   +3 more sources

A new low-turbulence wind tunnel for animal and small vehicle flight experiments [PDF]

open access: yesRoyal Society Open Science, 2017
Our understanding of animal flight benefits greatly from specialized wind tunnels designed for flying animals. Existing facilities can simulate laminar flow during straight, ascending and descending flight, as well as at different altitudes. However, the
Daniel B. Quinn   +3 more
doaj   +1 more source

Sensory-thresholded switch of neural firing states in a computational model of the ventromedial hypothalamus

open access: yesFrontiers in Computational Neuroscience, 2022
The mouse ventromedial hypothalamus (VMH) is both necessary and sufficient for defensive responses to predator and social threats. Defensive behaviors typically involve cautious approach toward potentially threatening stimuli aimed at obtaining ...
Ryan Rahy   +2 more
doaj   +1 more source

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