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Grace Blackburn

@gblackburn.bsky.social
60 followers 65 following 13 posts
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Reposted by Grace Blackburn
Wendel van der Sluis @wendelvandersluis.bsky.social · 01/10/2026
Rising temperatures can challenge animals’ ability to regulate body temperature. While heat effects on adult birds are well documented, less is known about #Juveniles. A new #OpenAccess study examines how wild post-fledging #GreatTits respond to rising temperatures.
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Grace Blackburn @gblackburn.bsky.social · 01/10/2026
Our new paper highlights the importance of considering how juveniles adjust their behaviour in response to increasing temperatures. Check it out below ⬇️⬇️⬇️ @dutourmylene.bsky.social doi.org/10.1163/1568...
doi.org
The effects of high temperatures on behaviour in juvenile great tits (Parus major)
Abstract Rising temperatures can pose significant thermoregulatory challenges for endotherms. Understanding how animals respond to high temperatures is essential for predicting the impacts of global w...
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Reposted by Grace Blackburn
Mylène Dutour @dutourmylene.bsky.social · 30/09/2026
New paper out! The effects of high temperatures on behaviour in juvenile great tits, with my amazing colleague @gblackburn.bsky.social and student Valentine Ouvry. Particularly timely given increasingly frequent, intense heatwaves. brill.com/view/journal... #AnimalBehaviour #Heatwaves #ParusMajor
brill.com
The effects of high temperatures on behaviour in juvenile great tits (Parus major)
Abstract Rising temperatures can pose significant thermoregulatory challenges for endotherms. Understanding how animals respond to high temperatures is essential for predicting the impacts of global w...
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Reposted by Grace Blackburn
Mandy Ridley @mandyridley.bsky.social · 31/07/2026
The latest pied babbler paper, headed by the amazing Shannon Conradie, looks at how the accuracy of biophysical models, increasingly used to predict climate change response, can be improved with even a modest amount of behavioural observations besjournals.onlinelibrary.wiley.com/doi/10.1111/...
besjournals.onlinelibrary.wiley.com
Targeted behavioural and microclimate data collection substantially improves biophysical model predictions of energy expenditure in wild birds
Read the free Plain Language Summary for this article on the Journal blog.
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Reposted by Grace Blackburn
Behavioral Ecology @behavecol.bsky.social · 06/07/2026
Check out our Editor's Choice for Issue May/June ⬇️⬇️
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Reposted by Grace Blackburn
Behavioral Ecology @behavecol.bsky.social · 30/06/2026
High temperatures inhibit quantity discrimination of conspecifics in a wild bird #Cognition #AntiPredatorBehavior #Bird doi.org/10.1093/behe...
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Reposted by Grace Blackburn
Professor Euan Ritchie FAMS @euanritchie.bsky.social · 02/06/2026
More than 400 scientists, young people, Indigenous leaders, and conservation experts have written collectively to @albomp.bsky.social and @jimchalmers.bsky.social, pleading for adequate $ to protect and restore nature biodiversitycouncil.org.au/news/scienti... - @biodivcouncil.bsky.social
biodiversitycouncil.org.au
Scientists and young people send joint letter to PM about intergenerational failure of the budget on nature | Biodiversity Council Australia
Deep frustration with the budget has led more than 400 scientists, young people, Indigenous leaders, and conservation experts to write collectively to the Prime Minister and Treasurer, pleading for ad...
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Grace Blackburn @gblackburn.bsky.social · 25/05/2026
New paper out now looking at how different amplitudes of anthropogenic noise affect the behaviour of urban living magpies! This work highlights the importance of considering how variation in noise may differentially impact wildlife. @mandyridley.bsky.social doi.org/10.1080/0952...
doi.org
The differential effects of low, intermediate and high amplitudes of anthropogenic noise on the behaviour of an urban-living bird
Anthropogenic noise can vary greatly in several properties, including timing, frequency and amplitude. However, many studies have historically focused on the effects of high amplitude noise, even t...
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Reposted by Grace Blackburn
Mandy Ridley @mandyridley.bsky.social · 07/05/2026
Congrats to @alexalaman.bsky.social for leading this paper using 38 years of data to investigate climate impacts on survival & reprod success of Arabian babblers in natural vs modified habitat. We found modified habitats buffered climate impacts: besjournals.onlinelibrary.wiley.com/doi/10.1111/...
besjournals.onlinelibrary.wiley.com
Coping with change: Interactive effects of anthropogenic change influence the breeding success and survival of a desert‐dwelling cooperative breeder
Read the free Plain Language Summary for this article on the Journal blog.
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Grace Blackburn @gblackburn.bsky.social · 05/05/2026
Just had my first @skypeascientist.bsky.social session speaking to year 6 students in Vietnam about pollution in parks🏞️🐦 Questions from these students were excellent and so thoughtful- an amazing experience! 🙂
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Grace Blackburn @gblackburn.bsky.social · 22/04/2026
Our new paper reveals that quantity discrimination abilities are present in great tits from a young age - and these abilities are akin to those shown by adults! 🐦🧠 Check it out via the link! @dutourmylene.bsky.social doi.org/10.1098/rspb...
doi.org
Early quantity discrimination in the wild: first insights from juvenile great tits
Abstract. Quantity discrimination is an important aspect of numerical cognition that is utilized across taxa in various ecological contexts, including fora
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Grace Blackburn @gblackburn.bsky.social · 20/03/2026
🚨New paper alert 🚨 High temperatures lead to an impaired anti-predator mobbing response to five callers in wild great tits! Loved working on this paper with an all star team of scientists! @dutourmylene.bsky.social @camillasoravia.bsky.social @mandyridley.bsky.social doi.org/10.1093/behe...
doi.org
High temperatures inhibit quantity discrimination of conspecifics in a wild bird
Many species benefit from the ability to discern the number of individuals calling in an anti-predator mobbing event, as more individuals likely reduces th
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Reposted by Grace Blackburn
Mylène Dutour @dutourmylene.bsky.social · 19/03/2026
Hot birds, tricky math! Our new paper shows that high temperatures impair quantity discrimination in wild great tits. @gblackburn.bsky.social, @camillasoravia.bsky.social, and @mandyridley.bsky.social academic.oup.com/beheco/advan...
academic.oup.com
High temperatures inhibit quantity discrimination of conspecifics in a wild bird
Many species benefit from the ability to discern the number of individuals calling in an anti-predator mobbing event, as more individuals likely reduces th
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Grace Blackburn @gblackburn.bsky.social · 25/02/2026
Amazing to see! And a reminder of how important this topic is in the context of our changing environment! @mandyridley.bsky.social @camillasoravia.bsky.social
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Grace Blackburn @gblackburn.bsky.social · 17/12/2025
Very happy to have been able to help get this experiment out in the world! Amazing work by @mandyridley.bsky.social and the Pied Babbler team!
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Reposted by Grace Blackburn
Mandy Ridley @mandyridley.bsky.social · 16/12/2025
So happy to see this come to print after life took over & there was a delay btw data collection and writing up! We conduct an experimental test of central place foraging theory & ask how provisioning/distance trade-offs might differ in a cooperative breeder. onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
An Experimental Test of Central Place Foraging Theory in a Cooperatively Breeding Bird
This study experimentally investigated central place foraging theory in a cooperatively breeding bird, the Southern Pied Babbler. We found that while birds were more likely to provision when given fo...
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Reposted by Grace Blackburn
Behavioral Ecology @behavecol.bsky.social · 30/09/2025
Response to intruder number is related to spontaneous quantity discrimination performance in a wild bird #bird #Cognition #NumberSense doi.org/10.1093/behe...
media.tenor.com
a black and white bird standing in the grass with the words photo and animation by dunken k bliths below it
ALT: a black and white bird standing in the grass with the words photo and animation by dunken k bliths below it
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Grace Blackburn @gblackburn.bsky.social · 23/09/2025
The media release for our recent article on magpie quantity discrimination is out now! Check it out below 🐦⬇️ www.uwa.edu.au/news/article...
uwa.edu.au
Magpies can identify quantities of food and intruder calls
New research has shown for the first time that magpies can distinguish between the number of callers when played recordings of intruder magpies.
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Reposted by Grace Blackburn
Mylène Dutour @dutourmylene.bsky.social · 16/09/2025
Thrilled to see our magpie research featured in "Why Do Birds Sing?" now out and recently highlighted in The Canberra Times! Amazing to see how our work on female song and social complexity in magpies is resonating ❤️ @mandyridley.bsky.social @gblackburn.bsky.social
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Reposted by Grace Blackburn
Professor Euan Ritchie FAMS @euanritchie.bsky.social · 05/09/2025
Protecting darkness and minimising light pollution is important for human and wildlife health. Please consider signing and sharing this petition. Petition EN7346 - National Legislation for Light Pollution Regulation and Dark Sky Preservation www.aph.gov.au/e-petitions/... Closes 19 September.
aph.gov.au
e-petitions
e-petitions
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Reposted by Grace Blackburn
Mandy Ridley @mandyridley.bsky.social · 21/08/2025
Our new cognition paper is out, headed by @gblackburn.bsky.social, and one of the last chapters from her exceptional PhD thesis!
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Grace Blackburn @gblackburn.bsky.social · 20/08/2025
New paper alert 🚨 We test quantity discrimination in #magpies using both a cognitive task and playback experiment and find that birds can discriminate between quantities in both! Interestingly, performance in the two task was negatively correlated! 🐦 @mandyridley.bsky.social doi.org/10.1093/behe...
doi.org
Response to intruder number is related to spontaneous quantity discrimination performance in a wild bird
The ability to discriminate between quantities is important for animal species. We show that wild magpies can discriminate both between different quantitie
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Reposted by Grace Blackburn
Pauline Grierson @pfgblue.bsky.social · 03/08/2025
Researchers across the major universities in Western Australia working in partnership with government epitomise the multi-faceted approaches required to deal with shot-hole borer. www.abc.net.au/news/2025-08...
abc.net.au
Worms eat tree-killing beetle in research trial as scientists team up
Researchers say a chemical trial and a biological trial using worms have shown early success in the fight against the shot-hole borer, which has led to the destruction of thousands of Perth's trees.
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Reposted by Grace Blackburn
Holly Kirk @hollykirk.bsky.social · 30/07/2025
Interesting research, suggesting poorly designed or excessive private lighting is contributing as much to ALAN pollution as street lights. 🌏🧪 This seems to be one of the few areas where our own actions can make a significant positive contribution! Turn it off! 💡 theconversation.com/street-lamps...
theconversation.com
Street lamps aren’t the only form of artificial light pollution – here’s how to create darker nights
Light Pollution is a significant environmental issue and is spreading rapidly. The good news is that it is easy to fix - find out how here…
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Reposted by Grace Blackburn
Centre for Evolutionary Biology at UWA @ceb-uwa.bsky.social · 09/06/2025
Check out new #CEB paper by @gblackburn.bsky.social et al. that found that Western Australia magpies sing less when exposed to anthropogenic noise, but not necessarily louder. 🐦🚧 This may save energy, yet could cost social & territorial signals. doi.org/10.1111/ibi.... #Bioacoustics #UrbanEcology
doi.org
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Grace Blackburn @gblackburn.bsky.social · 09/06/2025
Another #PhD chapter out in the world! We investigate the impact of anthropogenic #noise on the territorial song of WA magpies 🔊🐦🔊 onlinelibrary.wiley.com/doi/10.1111/... @mandyridley.bsky.social @cornishjackdaws.bsky.social @dutourmylene.bsky.social
onlinelibrary.wiley.com
Western Australian Magpies alter the rate, but not the amplitude, of their territorial song in anthropogenic noise
Anthropogenic noise is considered one of the most serious forms of pollution globally and has been shown to have negative effects on the distribution, behaviour, cognition and reproductive success of...
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Reposted by Grace Blackburn
Mandy Ridley @mandyridley.bsky.social · 09/06/2025
Our new paper, led by @gblackburn.bsky.social, finds a very sharp decline in the rate of carol calls (the main territorial call) given by magpies during anthropogenic noise, but no change in the amplitude. @dutourmylene.bsky.social onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
Western Australian Magpies alter the rate, but not the amplitude, of their territorial song in anthropogenic noise
Anthropogenic noise is considered one of the most serious forms of pollution globally and has been shown to have negative effects on the distribution, behaviour, cognition and reproductive success of...
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Grace Blackburn @gblackburn.bsky.social · 27/05/2025
Our new #cognition paper, led by Masters student Holly Hunter, has just been published in Animal Cognition! doi.org/10.1007/s100... @ceb-uwa.bsky.social @mandyridley.bsky.social
doi.org
Group size affects spontaneous quantity discrimination performance in wild Western Australian magpies (Gymnorhina tibicen dorsalis) - Animal Cognition
Animals may benefit from the ability to discriminate between quantities in their environment; for example, when choosing between foraging patches differing in food availability or assessing the size o...
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Reposted by Grace Blackburn
Mandy Ridley @mandyridley.bsky.social · 28/02/2025
@gblackburn.bsky.social & I recently wrote this piece in Nature Climate Change about the potential conservation implications of climate-induced divergence of song. This may occur more often under a rapidly changing climate & cause greater isolation between popns. www.nature.com/articles/s41...
nature.com
Climate-induced divergence of song - Nature Climate Change
Vocal communication is essential for information transmission in many species, such as that related to mating opportunities or predator presence. Recent research revealing how phenotypic changes broug...
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Reposted by Grace Blackburn
Rob Davis @pezoporus.bsky.social · 17/02/2025
Great piece on our new research highlighting the severe impact of using second generation anticoagulant rodenticides. We are killing quolls snd Tasmanian devils when we poison rats. www.watoday.com.au/national/wes...
watoday.com.au
Australia-first study finds rat poison in rare Perth Hills chuditch
New evidence shows the first confirmed cases of rat poisoning in native Australian marsupial carnivores.
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Reposted by Grace Blackburn
Jon Evans @1jonevans.bsky.social · 18/02/2025
Lethal second-generation rat poisons are killing endangered quolls and Tasmanian devils theconversation.com/lethal-secon...
theconversation.com
Lethal second-generation rat poisons are killing endangered quolls and Tasmanian devils
Second generation rat poisons are so potent that they’re banned for home use in Europe and North America. But here, you can pick them up at Bunnings or Coles.
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Grace Blackburn @gblackburn.bsky.social · 03/02/2025
Happy to share that today I started a #Postdoctoral #research fellow position at Central Queensland University working with Capricorn yellow #chats! 🐦 Very excited for this new adventure!
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