Results 131 to 140 of about 5,748 (245)

Avian-inspired embodied perception in biohybrid flapping-wing robotics

open access: yesNature Communications
Avian feather intricate adaptable architecture to wing deformations has catalyzed interest in feathered flapping-wing aircraft with high maneuverability, agility, and stealth.
Qian Li   +3 more
doaj   +1 more source

Design and Experimental Study of a Flapping–Twist Coupled Biomimetic Flapping-Wing Mechanism

open access: yesDrones
Medium and large-sized birds exhibit remarkable agility and maneuverability in flight, with their flapping motion encompassing degrees of freedom in flapping, twist, and swing, which enables them to adapt effectively to harsh ecological environments ...
Rui Meng   +3 more
doaj   +1 more source

Curvature of Wing and Flapping Flight

open access: yes, 1932
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

Effect of Intranasal Midazolam–Butorphanol Premedication on Sevoflurane Anaesthesia in Traumatised Buzzards (Buteo spp.)

open access: yesVeterinary Medicine and Science, Volume 12, Issue 4, July 2026.
Intranasal midazolam–butorphanol premedication in traumatised buzzards (Buteo spp.) aims to provide safer sedation by minimising mask induction stress. This method significantly reduces sevoflurane requirements while maintaining stable cardiopulmonary parameters. It is a safe and practical alternative that enhances patient welfare and induction quality.
Can Nacar, Hatice Ozlem Nisbet
wiley   +1 more source

Measurement of Wing Loads during Flapping Flight

open access: yes, 2013
Ongoing research at BYU with the Flapping Flight Research Group (FFRG) is aimed at uncovering the physics behind flapping flight. Discoveries in this field could produce new aircraft designs and technolo- gies, as well as broaden our understanding of ...
Colton, Dr. Mark, Anderson, Ryan
core  

Wind, waves, wing loading and the flight energetics of giant petrels

open access: yesFunctional Ecology, Volume 40, Issue 7, Page 1979-1993, July 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Wind is a major factor driving seabird movement and energetics, the effects of which are modulated by morphology. Developments in tagging technology now make it possible to test predictions from aerodynamic theory about the effects of wind on flight performance in free ...
Madeline E. Hallet   +3 more
wiley   +1 more source

Cumulative heatwave stress disrupts thermal homeostasis and plumage structure in a Mediterranean passerine

open access: yesFunctional Ecology, Volume 40, Issue 7, Page 1960-1978, July 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Heatwaves are becoming increasingly frequent across the Mediterranean and pose critical challenges for small passerines, yet the physiological and morphological limits to their resilience remain poorly understood.
Erick González‐Medina   +6 more
wiley   +1 more source

Machine Learning‐Based Wind Classification by Wing Deformation in Biomimetic Flapping Robots: Biomimetic Flexible Structures Improve Wind Sensing

open access: yesAdvanced Intelligent Systems
Flying animals such as insects and birds have strain receptors on their wings. The functions and information processing capabilities of these strain receptors, however, are largely unknown.
Kenta Kubota, Hiroto Tanaka
doaj   +1 more source

Trajectory optimization of a flapping-wing robot in a wind field

open access: yes工程科学学报
Owing to wave obstruction, the speed of the horizontal wind field decreases as it approaches the sea surface. Consequently, the wind field that increases with height is referred to as a gradient wind field.
Xiaoyang WU   +5 more
doaj   +1 more source

Using wingbeat frequency to estimate mass gain

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 7, Page 2205-2217, July 2026.
Abstract Energy intake is a fundamental currency in ecology that is critical to reproductive success, survival and lifetime fitness. Measuring foraging success in wild animals via biologgers has been a long‐standing challenge but is essential to understanding the mechanisms underlying population dynamics and species distributions.
Allison Patterson   +2 more
wiley   +1 more source

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