Strategic adjustment of parental care in tree swallows: life-history trade-offs and the role of glucocorticoids [PDF]
Royal Society Open Science, 2016 Life-history theory predicts that optimal strategies of parental investment will depend on ecological and social factors, such as current brood value and offspring need.
Çağlar Akçay +5 more
doaj +1 more source
Light‐Driven Quadrupedal Walking Biohybrid Robot With Antagonistic Muscle‐Rings and Inclined Joints
Advanced Robotics Research, EarlyView.This work presents a light‐driven quadrupedal walking biohybrid robot powered by antagonistic muscle‐rings that achieve alternating walking gait. Optical training improved reproducibility of cultured muscle tissues, while caffeine treatment enhanced contractile force.
Shotaro Saito +5 more
wiley +1 more source
Advanced Intelligent Discovery, EarlyView.This article implements a unified human digital twin framework that integrates cutting edge actuation, sensing, simulation, and bidirectional feedback capability. The approach includes integrating multimodal sensing, AI, and biomechanical simulation into one compact system.
Tajbeed Ahmed Chowdhury +4 more
wiley +1 more source
Calls during agonistic interactions vary with arousal and raise audience attention in ravens
Frontiers in Zoology, 2017 Background Acoustic properties of vocalizations can vary with the internal state of the caller, and may serve as reliable indicators for a caller’s emotional state, for example to prevent conflicts.
Georgine Szipl +3 more
doaj +1 more source
An attention bias test to assess anxiety states in laying hens [PDF]
PeerJ, 2019 Fear is a response to a known threat, anxiety is a response to a perceived threat. Both of these affective states can be detrimental to animal welfare in modern housing environments.
Dana L.M. Campbell +5 more
doaj +2 more sources
Utterance evolution: the road to generative, combinatorial communicators
Biological Reviews, EarlyView.ABSTRACT Language has long been considered uniquely complex in the animal kingdom; however, animal research over the last decade has begun to challenge some long‐standing premises about exactly which language capacities are uniquely human. The task of resolving why and how complex communication systems evolve, particularly human language, has ...
Catherine Crockford +2 more
wiley +1 more source
Dance behaviour in cockatoos: Implications for cognitive processes and welfare.
PLoS ONEParrots (Aves, Psittaciformes) in captivity have been reported to show dance behaviour in response to music, which may involve complex cognitive processes including imitation, vocal learning and entrainment.
Natasha Lubke +3 more
doaj +1 more source
Divergent effects of short-term and continuous anthropogenic noise exposure on Western Bluebird parental care behavior [PDF]
PeerJSensory environments are rapidly changing due to increased human activity in urban and non-urban areas alike. For instance, natural and anthropogenic sounds can interfere with parent-offspring communication and mask cues reflective of predation risk ...
Kerstin Ozkan +4 more
doaj +2 more sources
Consumer diversity drives stronger predation in tropical marine communities
Ecography, EarlyView.Biotic interactions are predicted to be stronger in the tropics compared to higher latitudes, contributing to observed patterns of global biodiversity. While increased consumer diversity and more complex food webs are expected in tropical communities, the trophic dynamics underlying strong regional effects of predation are not well understood.
Michele F. Repetto +4 more
wiley +1 more source
Dynamic sex-specific responses to synthetic songs in a duetting suboscine passerine. [PDF]
PLoS ONE, 2018 Many bird species produce temporally coordinated duets and choruses, requiring the rapid integration of auditory perception and motor production. While males and females of some species are known to participate in these displays for sex-specific purposes,
Adam R Fishbein +3 more
doaj +1 more source