Results 31 to 40 of about 3,765,058 (318)

Wing Design in Flies: Properties and Aerodynamic Function

Insects, 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, Moonsung Cho, Henja-Niniane Wehmann, Thomas Engels, Fritz-Olaf Lehmann   +4 more
doaj   +1 more source

Coupling Atmospheric and Biological Remote Sensing to Investigate Boundary-Layer Evolution and Animal Flight Behavior as Affected by the 2017 North American Solar Eclipse

Remote Sensing, 2020
The daytime atmospheric boundary layer is characterized by vertical convective motions that are driven by solar radiation. Lift provided by thermal updrafts is sufficiently ubiquitous that some diurnal birds and arthropods have evolved specialized flight
Phillip M. Stepanian, Charlotte E. Wainwright   +1 more
doaj   +1 more source

Oceanic and Atmospheric Correlations to Cetacean Mass Stranding Events in Cape Cod, Massachusetts, USA

Geophysical Research Letters, 2021
Groups of pelagic dolphins and whales (order Cetacea) regularly strand on beaches throughout the world. These strandings are referred to as mass stranding events (MSEs). MSEs have been observed for centuries, however the underlying causes remain unclear.
R. Zellar, A. Pulkkinen, K. Moore, C. S. Rousseaux, D. Reeb   +4 more
doaj   +1 more source

Soaring migrants flexibly respond to sea-breeze in a migratory bottleneck: using first derivatives to identify behavioural adjustments over time

Movement Ecology, 2023
Background Millions of birds travel every year between Europe and Africa detouring ecological barriers and funnelling through migratory corridors where they face variable weather conditions.
Paolo Becciu, David Troupin, Leonid Dinevich, Yossi Leshem, Nir Sapir   +4 more
doaj   +1 more source

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

Ecosphere, 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, Jared A. Elmore, B. Santhana Krishnan, Sathishkumar Samiappan, Kristine O. Evans, Morgan B. Pfeiffer, Bradley F. Blackwell, Raymond B. Iglay   +7 more
doaj   +1 more source

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

Insects, 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

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

PLoS 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, Deepti Trivedi, Gaiti Hasan   +2 more
doaj   +1 more source

Electrocardiogram recordings in free-ranging gannets reveal minimum difference in heart rate during flapping versus gliding flight [PDF]

, 2006
Gliding flight is one of the major features that allows flying animals to cover extensive distances while minimising their energy expenditures. This has been supported by studies recording heart rate as a proxy for energy expended, but the exact amount ...
Ryan, Peter G., Ropert-Coudert, Yan, Gremillet, David, Kato, Akiko, Wilson, R.P., Lewis, S., Kato, A., Ryan, P.G., Lewis, Sue, Gr�millet, D., Ropert-Coudert, Y., Wilson, Rory P.   +11 more
core   +1 more source

Dynamic echo information guides flight in the big brown bat

Frontiers in Behavioral Neuroscience, 2016
Animals rely on sensory feedback from their environment to guide locomotion. For instance, visually guided animals use patterns of optic flow to control their velocity and to estimate their distance to objects (e.g. Srinivasan et al. 1991, 1996). In this
Michaela eWarnecke, Wu-Jung eLee, Wu-Jung eLee, Anand eKrishnan, Cynthia F Moss   +4 more
doaj   +1 more source

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

Frontiers 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, Hiroki Asari, Cornelius T. Gross   +2 more
doaj   +1 more source