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Ioan Smart

@ioansmart.bsky.social
123 followers 187 following 6 posts

Lecturer at Abertay University. Interested in behavioural and sensory ecology. Currently exploring virtual reality as a tool for examining camouflage.

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Reposted by Ioan Smart
Jolyon Troscianko @jtroscianko.bsky.social · 30/09/2026
🦋 Butterfly wing patterns create motion illusions that protect them from predators! Our new study (8 years in the making) is out in Nature today doi.org/10.1038/s415... @grahancock.bsky.social @esbriolat.bsky.social @scienceanna.bsky.social @lauraakelley.bsky.social @uniexecec.bsky.social
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Jolyon Troscianko @jtroscianko.bsky.social · 08/09/2026
BehaveAI can now measure orientation. So now you can work out the behaviour of your animal in each frame as well as its direction - e.g. tells you which way animals are pointing or whether they're turning. Video guide: youtu.be/FgmtHoardWg Install: github.com/troscianko/B...
youtu.be
BehaveAI - orientation tracking - v1.4
YouTube video by Jolyon Troscianko
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Sercan Sayin @sercansayin.bsky.social · 07/09/2026
Swarm models are abstract, but life is full of color! Locust warning coloration modulates how individuals track others, especially in cluttered environments. Visual modeling, VR, remote sensing. With @jjfosterlab.bsky.social, @theswordlab.bsky.social, @icouzin.bsky.social ssrn.com/abstract=739...
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Izzie Héjja-B. @izziehb.bsky.social · 27/08/2026
🚨New paper out after several years in the making! "Background-matching patterns are attractive: support for a processing bias" with @tamramendelson.bsky.social, @julien-renoult.bsky.social, Innes Cuthill (CamoLab alumni), Michel Raymond (@isemevol.bsky.social) ▶️ doi.org/10.1016/j.an... 📷 Ed Nisley
Gray tree frog on concrete. It is well camouflaged and not so easy to see.
Photo credit: Ed Nisley’s Blog [https://softsolder.com/] ©2025 by Ed Nisley is licensed under CC Attribution-NonCommercial-ShareAlike 4.0 International
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Behavioral Ecology @behavecol.bsky.social · 07/07/2026
Biologically inspired warning patterns deter a passerine, Parus major, from digital turbine blades #Aposematism #Birds #TurbineCollisions doi.org/10.1093/behe...
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Behavioral Ecology @behavecol.bsky.social · 05/08/2026
Snake markings facilitate diverse anti-predator functions depending on habitat and viewing angle #Camouflage #BackgroundMatching doi.org/10.1093/behe...
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Dr Hannah M. Rowland @hannahmrowland.bsky.social · 28/07/2026
We just released a new open resource for studying evolution, ecology, colour, behaviour & biodiversity. OzButterflies 🦋 ✨ 4,000+ individuals 🌈 Visible + UV images 🧬 CO1 barcodes 📈 Spectral reflectance data 🏞️ 125 species doi.org/10.1093/data... @mherberstein.bsky.social @livuni-ives.bsky.social
examples of database images. (B) Disassembled RGB. (C) Disassembled UV. (D) Pinned dorsal RGB. (E) Pinned dorsal UV. (F) Pinned ventral RGB. (G) Pinned ventral UV.
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Ioan Smart @ioansmart.bsky.social · 27/07/2026
Wow Italy - What a time it has been! From fantastic views in Lake Garda and the Dolomites, to amazing food in Bologna… Not to mention, meeting up with friends, old and new, at #ISBE2026 in Turin. It’s a pleasure, as always, to connect and talk science. See you all in 2 years in Taiwan, if not sooner
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Dr George RA Hancock 🦋🦎 @grahancock.bsky.social · 23/07/2026
Butterflies have extraordinary patterns. Come to my talk if you want to see their potential power to confuse predators in flight! 📍Room Londra | 🕓 3:45 pm | Thursday | #ISBE2026 @isbe2026.bsky.social
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Christian Drerup @handle.invalid · 23/07/2026
Ever wondered what mosquito pupae do when they get flushed out of their aquatic habitat? The answer surprised us - and might surprise you too. 🦟 📍Room 500 | 🕓 4:45 pm | #ISBE2026 @isbe2026.bsky.social
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Benito Wainwright @benitoexplains.bsky.social · 03/06/2026
Leaf-mimicking katydids don’t just use their funky camouflage to survive, they’re using it to find love too! 🥰🍃💘 New paper out now in #ProcB @royalsocietypublishing.org (Photo cred: Christian Ziegler): doi.org/10.1098/rspb... 1/n
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Sam England @samjakeengland.bsky.social · 20/05/2026
Out today in @royalsocietypublishing.org - we show that crab spiders (the ones you usually see ambushing pollinators on flowers 🕷️🌸) get worse at hunting if their eyes are covered!🫣 Sounds obvious? It's actually quite surprising, here's why... 👀 (1/8) royalsocietypublishing.org/rsos/article...
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Dr George RA Hancock 🦋🦎 @grahancock.bsky.social · 18/05/2026
New co-author paper. The angle a snake is viewed cnan have a remarkable effect on the camouflage benefits of its patterning! Hoping to follow this up more soon! doi.org/10.1093/behe...
doi.org
Snake markings facilitate diverse anti-predator functions depending on habitat and viewing angle
Many snakes have bold colour patterns, but how do habitat and viewing conditions change their functions? We found that zigzag and spot patterns can disrupt
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Dr George RA Hancock 🦋🦎 @grahancock.bsky.social · 14/05/2026
New pre-print out, how behaviour shapes camouflage evolution for spiders! www.biorxiv.org/content/10.6...
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Michael Bok @mikebok.bsky.social · 08/05/2026
I am hiring a PhD student to join our group in Lund, Sweden working on an ERC-funded project to untangle color and polarization vision in some amazing crustaceans – minute water fleas and pugnacious mantis shrimp! Please forward this to promising students. Apply here: lu.varbi.com/en/what:job/...
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Dr George RA Hancock 🦋🦎 @grahancock.bsky.social · 29/04/2026
Well this is a big one the largest paper from my PhD is finally out! We show how direct lighting influences optimal camouflage! With shadows promoting the evolution of darker, striped patterns and countershading!! journals.plos.org/plosone/arti...
journals.plos.org
Shining a light on camouflage evolution: Using genetic algorithms to determine the effects of geometry and lighting on optimal camouflage
Visual camouflage evolution in animals depends on both light’s interaction with its surroundings and the limits of what the natural observers of the camouflage can see. Changes in lighting – such as t...
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Dr George RA Hancock 🦋🦎 @grahancock.bsky.social · 27/04/2026
New paper out now! Biologically inspired warning patterns deter a passerine, Parus major, from digital turbine blades academic.oup.com/beheco/artic...
academic.oup.com
Biologically inspired warning patterns deter a passerine, Parus major, from digital turbine blades
By mimicking the warning colours of animals that ward off birds, we can produce wind turbine patterns to which birds are averse, reducing the likelihood of
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Ioan Smart @ioansmart.bsky.social · 12/03/2026
Two identical squares in the Adelson checker block illusion look different, even though they’re the same. @slowfourier.bsky.social, Ken Scott-Brown and myself showed 123 people edited variants to test how context shapes what we see. Data + stimuli openly available. doi.org/10.1177/2041...
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Arezo Shamsgovara @arezosha.bsky.social · 09/03/2026
Do males strategically associate with mating partners, and how does social context influence their choices? Excited to share my first publication!🎉 It’s been an amazing journey and thanks to @lennartwinkler.bsky.social, John Fitzpatrick & all co-authors for your hard work! doi.org/10.1002/ece3...
doi.org
Male Strategic Association With Mating Partners Under Varying Social Contexts in a Livebearing Fish
We found that in halfbeaks, a shoaling fish species, males preferentially associated with an opposite sex pair (i.e., a female and a male) over rival males, but showed no preference when choosing bet....
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Jolyon Troscianko @jtroscianko.bsky.social · 21/02/2026
Our BehaveAI paper has just come out! Easy & effective tracking & behavioural classification, even with tiny (2px), fast moving, camouflaged objects. Paper: doi.org/10.1371/jour... Download: github.com/troscianko/B... @uniexecec.bsky.social @kevinjgaston.bsky.social @jimamclgalloway.bsky.social
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Andy Radford @andyradford.bsky.social · 04/02/2026
Work brilliantly led by #ECR @sammatchette.bsky.social With @nadia-hamilton.bsky.social @christiandrerup.com #JeroenSchneider @sandrawinters.bsky.social @marinebehavecol.bsky.social @camzoology.bsky.social @bristolbiosci.bsky.social #predator #marine #fish #ocean doi.org/10.1098/rspb...
doi.org
Predators hide against similarly coloured species to camouflage on the move
Abstract. Many predators aim to approach prey without being detected or identified. Ambush predators often achieve this through camouflage, such as backgro
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Laura Kelley @lauraakelley.bsky.social · 15/01/2026
New bowerbird paper out, we asked whether male great bowerbirds care about the light environment around the bower where they display to females. Short answer: not really. What they do care about is having a display arena with strong visual contrast on the ground. 🐦 tinyurl.com/2v7rycdz
A u shaped structure made out of sticks called a bower, built under a small tree. In front of the bower is a pile of grey, white and green objects that make up the display court. The whole scene is in dappled sunlight and shade created by the tree above.
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Sam Matchette @sammatchette.bsky.social · 22/12/2025
🚨NEW PAPER🚨 Need to #camouflage on the move? Easy - simply seek out something that's coloured like you and move along with it! 🐠 Read the latest #trumpetfish instalment here: tinyurl.com/4tb5h5hk @royalsociety.org #shadowing #predator #experiment #marine #movement
A long blue-brown trumpetfish swimming above and close to a blue stoplight parrotfish
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Andy Radford @andyradford.bsky.social · 17/12/2025
🚨NEW paper alert🚨 Latest instalment in the #trumpetfish story: colour polymorphic individuals choose to ‘shadow’ non-predatory fishes of similar colour, gaining them a hunting advantage Led by the wonderful @sammatchette.bsky.social Out today in @royalsocietypublishing.org doi.org/10.1098/rspb...
doi.org
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Ioan Smart @ioansmart.bsky.social · 15/12/2025
Had a great first day at #ASABWinter2025! Many fascinating talks and intriguing posters. If you didn’t manage to swing by and see me and have any questions about the recent research I’ve been doing, please get in contact!
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European Conference on Behavioural Biology @ecbb2026.bsky.social · 10/12/2025
We are delighted to announce our second ECBB 2026 Plenary Speaker! 🥁 🥁 🥁 The amazing Professor Tim Caro! #ecbb #ecbb2026
ECBB 2026 logo above header that reads ECBB 2026 Plenary Speakers

Photo includes Prof Tim Caro, blue shape with name, and title, and University of Bristol. 

Text reads: 
-Studies evolution of coloration in mammals from several angles
- Comparative methods to uncover the ecological drivers of camouflage, warning coloration, signaling and physiological factors in driving coat coloration in many mammalian orders
- Community-based and government-led conservation schemes in Zanzibar

1-4 September, Anglia Ruskin University
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Behavioral Ecology @behavecol.bsky.social · 03/12/2025
Larger frogs are better mimics but are more risk-averse in a nontoxic poison frog #Aposematism #WarningSignals #Ampibian doi.org/10.1093/behe...
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Benito Wainwright @benitoexplains.bsky.social · 29/11/2025
Very happy to see our opinion article out in @cp-trendsecolevo.bsky.social today. 🥳 We ask whether sexual signals can influence the evolutionary trajectory of naturally selected adaptations, such as protective colouration, for better or for worse 🧐 1/n doi.org/10.1016/j.tr...
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ASAB Spring 2027 @asab-meetings.bsky.social · 26/11/2025
We hope everyone is getting excited for #ASABWinter2025 !   To kick off the conference on Dec 15, we will be having a public lecture by Prof. Innes Cuthill about an interdisciplinary approach to the study of camouflage. So make sure you’re not late ⏰
Picture of Innes Cuthill, ASAB logo. "Animal camouflage: Evolutionary biology meets neuroscience, art and war“
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Sam England @samjakeengland.bsky.social · 10/11/2025
Do you work (/want to work) with caterpillars? Or sensory systems? Or BOTH?! Well good golly do we have the paper for you! We explain the senses that caterpillars have, what they use them for, and how anthropogenic sensory pollution might be messing it all up 🐛 doi.org/10.1007/s003...
doi.org
The sensory ecology of caterpillars - Journal of Comparative Physiology A
Caterpillars (larval Lepidoptera) are one of the most ecologically and evolutionarily significant taxa on Earth. As both feeders and food, they shape the dynamics of enumerate ecosystems on land. Key ...
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Andrés Cuervo @amcuervo.bsky.social · 10/11/2025
Evaluating the roles of signaling and camouflage in the evolution of iris color in Tyranni passerines. Evolution doi.org/10.1093/evol...
doi.org
Evaluating the roles of signaling and camouflage in the evolution of iris color in Tyranni passerines
Abstract. Iris color is a conspicuous and diverse trait across animals, but its evolutionary drivers are poorly understood. In over 1000 species of Tyranni
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Jolyon Troscianko @jtroscianko.bsky.social · 06/11/2025
BehaveAI is live! Our biologically inspired video analysis tool sees motion as colour. Track animals or objects, classify their behaviour, and handle complex natural scenes with ease. Semi-supervised annotation, no GPUs required, user-friendly, free & open source. Pre-print tinyurl.com/BehaveAI
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Benito Wainwright @benitoexplains.bsky.social · 04/11/2025
Leaf? 🍃 Or katydid? 🦗 Our new @plosbiology.org paper sheds light on how these incredible mimics evolved their disguises, and what this reveals about how complex adaptations arise. We find that coordinated evolution between traits might be the answer… plos.io/4oUE741 1/n
plos.io
Functional and evolutionary synergy of trait components can explain the existence of leaf masquerade in katydids
The evolution of complex adaptations often involves synergistic changes in multiple traits that lack standalone function. This study shows that leaf masquerade in katydids evolved through concurrent m...
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ISBE2026 @isbe2026.bsky.social · 30/09/2025
#ISBE2026 Call for Abstracts is now open! Submit your abstract by 15 December 2025 on www.isbe2026.com @behavecol.bsky.social
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Andy Radford @andyradford.bsky.social · 25/09/2025
Interested in vocal #communication? How animals provide referential #information about danger? Then see our 🌟NEW🌟 paper by brilliant ANU #PhD student Chun-Chieh Liao out today in @asab.org Animal Behaviour. 🎉👏 #birds #choughs #fieldwork #ECR With Rob Magrath and Rob Heinsohn doi.org/10.1016/j.an...
White-winged choughs in Canberra, Australia - the bird species studied in the newly published work.
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Will Allen @wlallen.bsky.social · 25/09/2025
📢🦋 Our paper ‘Global selection on insect antipredator coloration’ is out and featured on the cover of @science.org We ran a huge experiment to find out how ecological context favours camouflage and warning colouration as antipredator strategies. 1/6 www.science.org/doi/10.1126/...
A white-fronted bee-eater (Merops bullockoides) decides whether to consume a warningly colored white-barred acraea butterfly (Telchinia encedon). Photo (c) Mike Rowe
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ASAB Spring 2027 @asab-meetings.bsky.social · 29/08/2025
Exciting news for #ASABWinter2025 ! 🚨Abstract deadline extension for Sept 12 !!!!🚨
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Christian Drerup @handle.invalid · 15/08/2025
🚨Our new paper is out NOW in @jexpbiol.bsky.social 👀 Here we show that cuttlefish use visual contrast cues to inform their 3D camouflage, but these contrast cues can derive from true background features as well as exposure to dynamic lighting patterns. 🦑🔆 🔗 doi.org/10.1242/jeb....
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ASAB Spring 2027 @asab-meetings.bsky.social · 05/08/2025
ICYMI : #ASABWinter2025 will take place from December 15-16, once again in lovely Edinburgh! Registration is now open 🎉 Abstract submission deadline for posters and talks is August 29 🏃‍♀️🏃🏃‍♂️ More information here: asabwinter.github.io/2025/
Winter ASAB 2025 December 15-16 Edinburgh How sensory information affects behaviour.
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Jolyon Troscianko @jtroscianko.bsky.social · 29/07/2025
Winter ASAB @asab.org on *Sensory Ecology* register and submit your abstracts now (abstract deadline just a month away)! I'm organising the conference this year with @lauraakelley.bsky.social and Innes Cuthill Register & get more info here: asabwinter.github.io/2025/
Winter ASAB 2025 - 15th-16th of December in Edinburgh - with a special theme of "How sensory information affects behaviour". Register at https://asabwinter.github.io/2025/ deadline for abstract submission 29th of August.
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Sam England @samjakeengland.bsky.social · 24/07/2025
Why do treehoppers look so weird?! Our latest paper, out this week in @pnas.org, suggests a perhaps unexpected reason - static electricity ⚡ We show that treehoppers can detect the electrostatic cues of predators and that their crazy shapes may boost their electrosensitivity! doi.org/10.1073/pnas...
doi.org
Electroreception in treehoppers: How extreme morphologies can increase electrical sensitivity | PNAS
The link between form and function of an organism’s morphology is usually apparent or intuitive. However, some clades of organisms show remarkable ...
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Sam Matchette @sammatchette.bsky.social · 23/07/2025
🔴New #trumpetfish content!🔴 This species is colour #polymorphic so we dove (pun intended) into how the relative abundance and saliency of each morph influences the #behaviour of their prey. Find out more via the link below! 🎺🐠 🔗 tinyurl.com/39vn5skp #behavioralecology
tinyurl.com
Antagonistic effects of predator color morph abundance and saliency on prey anti-predator responses
Predators can have different color morphs, but whether morph abundance or saliency is more influential in shaping antipredator behavior in prey remains unc
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Benito Wainwright @benitoexplains.bsky.social · 16/07/2025
So very excited for the magnum opus of my #PhD to finally be out in @pnas.org. 🎉🎉 We demosntrate that mutualistic co-mimicking tropical butterflies not only converge in light microhabitat but, as a consequence, have also converged in visual system morphology! 1/n😀 www.pnas.org/doi/abs/10.1...
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Christian Drerup @handle.invalid · 27/05/2025
🚨 New paper alert! 👀 In our new opinion piece in TREE @cp-trendsecolevo.bsky.social, we propose #cephalopods as model systems to investigate the link between tactical #deception and #cognition in animals 🐙🦑🪄✨🧠 Read the paper here: 🔗 www.cell.com/trends/ecolo...
cell.com
Tactical deception in cephalopods: a new framework for understanding cognition
Many animals rely on deception, including signalling misinformation, to gain advantages over others. While many deceptive strategies rely on deterministic patterns or conditioning, some taxa can flexi...
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Reuben Sparke @rsparke.bsky.social · 23/06/2025
Was great to be involved in such an interesting paper, now published in @ecol-evol.bsky.social! dx.doi.org/10.1002/ece3...
dx.doi.org
The Adaptive Significance of Tail‐Flagging: A Test in European Rabbits (Oryctolagus cuniculus)
European rabbits use their white tails to warn others of danger and ward off predators, revealing the dual function of a single animal signalling behaviour. Using both field observations and phylogen....
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Dr Christopher Taylor @mimicryin3d.bsky.social · 02/07/2025
Why do imperfect mimics (such as many hoverflies) exist? We created 3D printed replicas of flies, wasps and our own custom intermediates and then "asked" various predators what they thought of our 3D stimuli. Read all about it here: www.nature.com/articles/s41...
nature.com
Mapping the adaptive landscape of Batesian mimicry using 3D-printed stimuli - Nature
Birds have an excellent ability to learn to discriminate harmless insects from those that they mimic on the basis of subtle differences in appearance.
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Christian Drerup @handle.invalid · 12/05/2025
🚨Our new paper is out NOW in @ecol-evol.bsky.social 👀 Here we show that prior exposure to dynamic illumination can have a persisting effect on the visual perception of 🦀, reducing their ability to detect predators even after the dynamic illumination has ended. onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
Motion After‐Effects Induced by Dynamic Illumination in Crab Vision
While in humans, background motion can disrupt the detection of visual cues even after the moving background component has ceased, it remains unknown whether natural forms of background motion might ...
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Cornish Jackdaw Project @cornishjackdaws.bsky.social · 02/05/2025
The flexibility of social learning and its conservation implications in mammals & beyond. New paper, led by Josh Arbon with fab collaborators Neil Jordan & @neeltjeboogert.bsky.social. doi.org/10.1098/rstb.2024.0136 @uniexecec.bsky.social @bristolbiosci.bsky.social @royalsocietypublishing.org
doi.org
The flexibility of social learning and its conservation implications in mammals and beyond | Philosophical Transactions of the Royal Society B: Biological Sciences
Conservation strategies seek to ensure that populations persist and are resilient to environmental change. As learning from others can shape the development of skills that help animals survive, reproduce and respond to changing conditions, understanding ...
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Ioan Smart @ioansmart.bsky.social · 26/04/2025
Fantastic time at #ASABSpring2025! Some great talks, posters and fascinating discussions. Thanks @asab.org Looking forward to the Winter conference already!
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ASAB @asab.org · 26/04/2025
I know you’re all sad #ASABSpring2025 is over, but you can put the #ASABWinter2025 dates in your diary: Dec 15-16 in Edinburgh 🏴󠁧󠁢󠁳󠁣󠁴󠁿 Theme is “How sensory information affects behaviour”
Jo madden in front of a slide reading “ASAB Winter Conference 2025
How sensory information affects behaviour
15 - 16* December 2025; Royal College of Physicians, Edinburgh
Keynote speakers
* Amanda Melin (University of Calgary, Canada) - Candy Rowe & John Skelhorn (Newcastle University, UK)
Tinbergen Lecture
Toshitaka Suzuki (University of Tokyo, Japan)
Organisers
Laura Kelley & Jolyon Troscianko (University of Exeter, UK)
Innes Cuthill (University of Bristol, UK)”
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