Harry Siviter
@harrysiviter.bsky.social
Lecturer at the University of Bristol. Bumblebees, Animal cognition, Behaviour, Ecology, Conservation, Pesticides, Husband, Dad. He/him. 🐝
https://siviterharry.wixsite.com/harrysiviter
https://siviterharry.wixsite.com/harrysiviter
Reposted by Harry Siviter
Can strongly recommend - great city to live in, fantastic colleagues in @bristolbiosci.bsky.social, only rains 96% of the time 👍
We are recruiting three new lecturers!
Read on if you'd like to bring your passion for biology to @bristolbiosci.bsky.social at @bristoluni.bsky.social and join our team of ambitious, creative, inclusive and collaborative researcher–educators:
www.bristol.ac.uk/jobs/find/de...
Read on if you'd like to bring your passion for biology to @bristolbiosci.bsky.social at @bristoluni.bsky.social and join our team of ambitious, creative, inclusive and collaborative researcher–educators:
www.bristol.ac.uk/jobs/find/de...
Details | Working at Bristol | University of Bristol
www.bristol.ac.uk
February 11, 2026 at 10:47 PM
Can strongly recommend - great city to live in, fantastic colleagues in @bristolbiosci.bsky.social, only rains 96% of the time 👍
Join us! 🎉
🚨3 Lectureships in Biology 🚨
Come join us in Bristol @bristolbiosci.bsky.social!
We are looking for new collegues working across a broad spectum of topics in biology, including ecology & environmental change. Get in touch if you have Qs!
Apply here by 8 March: www.bristol.ac.uk/jobs/find/de...
Come join us in Bristol @bristolbiosci.bsky.social!
We are looking for new collegues working across a broad spectum of topics in biology, including ecology & environmental change. Get in touch if you have Qs!
Apply here by 8 March: www.bristol.ac.uk/jobs/find/de...
February 12, 2026 at 4:37 PM
Join us! 🎉
To celebrate International Women in STEM day this year, we’ve commissioned these wonderful posters of Women associated with @bristolbiosci.bsky.social.
Plan is to have them up for the whole month and to add more each year 🎉
Plan is to have them up for the whole month and to add more each year 🎉
February 4, 2026 at 3:29 PM
To celebrate International Women in STEM day this year, we’ve commissioned these wonderful posters of Women associated with @bristolbiosci.bsky.social.
Plan is to have them up for the whole month and to add more each year 🎉
Plan is to have them up for the whole month and to add more each year 🎉
Reposted by Harry Siviter
Congratulations to @victoriamallinson.bsky.social for winning The Olivia Norfolk Prize for her research on the impact of spring cold snaps on bumblebee colonies.
In 2026, Victoria, a Trust-supported PhD student, hopes to examine the impact of real cold snaps using the BeeWalk dataset.
In 2026, Victoria, a Trust-supported PhD student, hopes to examine the impact of real cold snaps using the BeeWalk dataset.
Congratulations to @cbunnenberg.bsky.social and @victoriamallinson.bsky.social for winning our 2025 Annual Meeting prizes!
January 27, 2026 at 9:50 AM
Congratulations to @victoriamallinson.bsky.social for winning The Olivia Norfolk Prize for her research on the impact of spring cold snaps on bumblebee colonies.
In 2026, Victoria, a Trust-supported PhD student, hopes to examine the impact of real cold snaps using the BeeWalk dataset.
In 2026, Victoria, a Trust-supported PhD student, hopes to examine the impact of real cold snaps using the BeeWalk dataset.
Reposted by Harry Siviter
Thank you so much @britishecologicalsociety.org for such an amazing opportunity to present my work at the BES annual meeting, and I am absolutely over the moon to have won the Olivia Norfolk Poster Prize. It is such an incredible honour and I am so thankful for this recognition 🐝🩵
The Olivia Norfolk Prize is awarded for the best poster presentation by a postgraduate student.
Victoria won the prize for a poster communicating her research on how UK bumblebee colonies are affected by cold snaps in the spring.
Victoria won the prize for a poster communicating her research on how UK bumblebee colonies are affected by cold snaps in the spring.
January 26, 2026 at 4:11 PM
Thank you so much @britishecologicalsociety.org for such an amazing opportunity to present my work at the BES annual meeting, and I am absolutely over the moon to have won the Olivia Norfolk Poster Prize. It is such an incredible honour and I am so thankful for this recognition 🐝🩵
Reposted by Harry Siviter
Reposted by Harry Siviter
Can you identify UK bumblebees and/or butterflies to a species level in the field?
Or do you have strong botanical survey skills (equivalent to FISC Level 4 or higher) with the ability to recognise broad and priority habitats?
See great opportunity below & please share!
Or do you have strong botanical survey skills (equivalent to FISC Level 4 or higher) with the ability to recognise broad and priority habitats?
See great opportunity below & please share!
🦋🌿Hiring 12 x Botanists or Entomologists for 2026 field surveys in England!
4-month, full-time roles from late April to early September.
Field sites in Yorkshire, Devon, Warwickshire, Kent/Sussex, Lincolnshire/Cambridge, Essex/Suffolk.
Apply now: ceh.wd3.myworkdayjobs.com/en-US/CEH_Ca... 🧪
4-month, full-time roles from late April to early September.
Field sites in Yorkshire, Devon, Warwickshire, Kent/Sussex, Lincolnshire/Cambridge, Essex/Suffolk.
Apply now: ceh.wd3.myworkdayjobs.com/en-US/CEH_Ca... 🧪
January 9, 2026 at 4:37 PM
Can you identify UK bumblebees and/or butterflies to a species level in the field?
Or do you have strong botanical survey skills (equivalent to FISC Level 4 or higher) with the ability to recognise broad and priority habitats?
See great opportunity below & please share!
Or do you have strong botanical survey skills (equivalent to FISC Level 4 or higher) with the ability to recognise broad and priority habitats?
See great opportunity below & please share!
Reposted by Harry Siviter
Four days left to apply for two postdocs in social evolution with me and @dustinrubenstein.com
Based at the University of Bristol (UK), conducting fieldwork with wasps in Cameroon, Kenya, and South Africa.
Based at the University of Bristol (UK), conducting fieldwork with wasps in Cameroon, Kenya, and South Africa.
POSTDOC ALERT🚨
Two exciting social evolution postdoc positions live today!
We're looking for two excellent field biologists. Join us to explore the evolution of sociality in wasps across Africa. Apply by 11th January.
Collaboration with
@dustinrubenstein.com
@bristolbiosci.bsky.social
Two exciting social evolution postdoc positions live today!
We're looking for two excellent field biologists. Join us to explore the evolution of sociality in wasps across Africa. Apply by 11th January.
Collaboration with
@dustinrubenstein.com
@bristolbiosci.bsky.social
January 7, 2026 at 5:44 PM
Four days left to apply for two postdocs in social evolution with me and @dustinrubenstein.com
Based at the University of Bristol (UK), conducting fieldwork with wasps in Cameroon, Kenya, and South Africa.
Based at the University of Bristol (UK), conducting fieldwork with wasps in Cameroon, Kenya, and South Africa.
Reposted by Harry Siviter
Legal rights for stingless bees! www.theguardian.com/environment/...
Stingless bees from the Amazon granted legal rights in world first
Planet’s oldest bee species and primary pollinators were under threat from deforestation and competition from ‘killer bees’
www.theguardian.com
December 29, 2025 at 6:12 PM
Legal rights for stingless bees! www.theguardian.com/environment/...
Reposted by Harry Siviter
Got my hands on this amazing social insects trump card game, developed by @elvarobinson.bsky.social & her team to support inclusion bursaries for IUSSI conferences. It even has my favourite bee 😍🐝!
If you want your own, for fun, outreach or teaching: www.iussi-nweurope.org/edi
If you want your own, for fun, outreach or teaching: www.iussi-nweurope.org/edi
December 21, 2025 at 8:43 AM
Got my hands on this amazing social insects trump card game, developed by @elvarobinson.bsky.social & her team to support inclusion bursaries for IUSSI conferences. It even has my favourite bee 😍🐝!
If you want your own, for fun, outreach or teaching: www.iussi-nweurope.org/edi
If you want your own, for fun, outreach or teaching: www.iussi-nweurope.org/edi
Reposted by Harry Siviter
Exciting times ahead - I'm beyond delighted to be joining @bristolbiosci.bsky.social in 2026! 🎉🕷️🎉🐌🎉
I'm also looking for a PhD student to join @multipleye-lab.bsky.social in our new home! Come and study the effects of light pollution on the evolution and development of spider eyes with us 🌃🕷️👀 👇
I'm also looking for a PhD student to join @multipleye-lab.bsky.social in our new home! Come and study the effects of light pollution on the evolution and development of spider eyes with us 🌃🕷️👀 👇
October 17, 2025 at 1:38 PM
Exciting times ahead - I'm beyond delighted to be joining @bristolbiosci.bsky.social in 2026! 🎉🕷️🎉🐌🎉
I'm also looking for a PhD student to join @multipleye-lab.bsky.social in our new home! Come and study the effects of light pollution on the evolution and development of spider eyes with us 🌃🕷️👀 👇
I'm also looking for a PhD student to join @multipleye-lab.bsky.social in our new home! Come and study the effects of light pollution on the evolution and development of spider eyes with us 🌃🕷️👀 👇
Reposted by Harry Siviter
We have a permanent vacancy for a lecturer in Zoology at Aberystwyth University jobs.aber.ac.uk/en/vacancy/l... Deadline 14th December!
Aberystwyth University - : Lecturer in Zoology (6015)
jobs.aber.ac.uk
December 5, 2025 at 2:57 PM
We have a permanent vacancy for a lecturer in Zoology at Aberystwyth University jobs.aber.ac.uk/en/vacancy/l... Deadline 14th December!
Reposted by Harry Siviter
🚨 PhD position 🚨
New PhD position available! For applicants keen to combine evolutionary ecology, neuroscience and animal cognition. Based at UCL with me, @maxreuter.bsky.social, @fcamus.bsky.social and Tamara Boto (Bristol). Directly funded, see here for details and eligibility: www.findaphd.com/phds/project...
How Memory Evolves: Integrating Cognitive Ecology, Neuroscience, and Experimental Evolution in Drosophila at University College London on FindAPhD.com
PhD Project - How Memory Evolves: Integrating Cognitive Ecology, Neuroscience, and Experimental Evolution in Drosophila at University College London, listed on FindAPhD.com
www.findaphd.com
December 4, 2025 at 8:46 PM
🚨 PhD position 🚨
Reposted by Harry Siviter
🚨RA/PhD position available in evolutionary neurobiology 🚨
Working on a deep dive into circuit changes during mushroom body expansion in Heliconius butterflies @camzoology.bsky.social
- employment benefits
- 4 years funding
- 1000% fun
Deadline: 14/1/2026
Details:
www.cam.ac.uk/jobs/researc...
Working on a deep dive into circuit changes during mushroom body expansion in Heliconius butterflies @camzoology.bsky.social
- employment benefits
- 4 years funding
- 1000% fun
Deadline: 14/1/2026
Details:
www.cam.ac.uk/jobs/researc...
November 21, 2025 at 2:31 PM
🚨RA/PhD position available in evolutionary neurobiology 🚨
Working on a deep dive into circuit changes during mushroom body expansion in Heliconius butterflies @camzoology.bsky.social
- employment benefits
- 4 years funding
- 1000% fun
Deadline: 14/1/2026
Details:
www.cam.ac.uk/jobs/researc...
Working on a deep dive into circuit changes during mushroom body expansion in Heliconius butterflies @camzoology.bsky.social
- employment benefits
- 4 years funding
- 1000% fun
Deadline: 14/1/2026
Details:
www.cam.ac.uk/jobs/researc...
Reposted by Harry Siviter
📢Two fully-funded #PhD opportunities to work with us:
Topic: Social monitoring & manipulation
UK-domiciled black-heritage scheme: tinyurl.com/aja54nr6
NERC DLTP: tinyurl.com/4jfy47pp
Cosupervisors: #PatrickKennedy @ljnbrent.bsky.social
@bristolbiosci.bsky.social
#bioacoustics #mammals #fieldwork
Topic: Social monitoring & manipulation
UK-domiciled black-heritage scheme: tinyurl.com/aja54nr6
NERC DLTP: tinyurl.com/4jfy47pp
Cosupervisors: #PatrickKennedy @ljnbrent.bsky.social
@bristolbiosci.bsky.social
#bioacoustics #mammals #fieldwork
November 21, 2025 at 4:48 PM
📢Two fully-funded #PhD opportunities to work with us:
Topic: Social monitoring & manipulation
UK-domiciled black-heritage scheme: tinyurl.com/aja54nr6
NERC DLTP: tinyurl.com/4jfy47pp
Cosupervisors: #PatrickKennedy @ljnbrent.bsky.social
@bristolbiosci.bsky.social
#bioacoustics #mammals #fieldwork
Topic: Social monitoring & manipulation
UK-domiciled black-heritage scheme: tinyurl.com/aja54nr6
NERC DLTP: tinyurl.com/4jfy47pp
Cosupervisors: #PatrickKennedy @ljnbrent.bsky.social
@bristolbiosci.bsky.social
#bioacoustics #mammals #fieldwork
Reposted by Harry Siviter
The wonderful Rox Middleton and i have a #PhD project investigating how cuticles and extracuticular waxes protect #plants from environmental stress as they age. Developmental biology, genetics, environmental signalling and physics split between Bristol and Bath. Please get in touch for more details!
November 19, 2025 at 2:39 PM
The wonderful Rox Middleton and i have a #PhD project investigating how cuticles and extracuticular waxes protect #plants from environmental stress as they age. Developmental biology, genetics, environmental signalling and physics split between Bristol and Bath. Please get in touch for more details!
Reposted by Harry Siviter
During his campaign, Trump (& RFK) promised to rein in the use of dangerous pesticides, but the EPA has loosened oversight and is accelerating pesticide approvals.
Notably, the top 4 positions in the new Trump EPA’s chemical safety office are held by former pesticide and chemical industry lobbyists
Notably, the top 4 positions in the new Trump EPA’s chemical safety office are held by former pesticide and chemical industry lobbyists
Trump officials set to approve ‘forever chemical’ as pesticide ingredient
Critics say that fifth Pfas Trump’s EPA has proposed for approval this year would put food and water supply at risk
www.theguardian.com
November 11, 2025 at 3:42 PM
During his campaign, Trump (& RFK) promised to rein in the use of dangerous pesticides, but the EPA has loosened oversight and is accelerating pesticide approvals.
Notably, the top 4 positions in the new Trump EPA’s chemical safety office are held by former pesticide and chemical industry lobbyists
Notably, the top 4 positions in the new Trump EPA’s chemical safety office are held by former pesticide and chemical industry lobbyists
Reposted by Harry Siviter
PhD opportunity in plant developmental biology for UK based students of Black heritage!
How do they know when to grow up? Join us at the University of Bristol to find out.
Application deadline Jan 6th
www.findaphd.com/phds/project...
#PlantSciencePhDs @blackinplantsci.bsky.social
How do they know when to grow up? Join us at the University of Bristol to find out.
Application deadline Jan 6th
www.findaphd.com/phds/project...
#PlantSciencePhDs @blackinplantsci.bsky.social
November 7, 2025 at 10:37 AM
PhD opportunity in plant developmental biology for UK based students of Black heritage!
How do they know when to grow up? Join us at the University of Bristol to find out.
Application deadline Jan 6th
www.findaphd.com/phds/project...
#PlantSciencePhDs @blackinplantsci.bsky.social
How do they know when to grow up? Join us at the University of Bristol to find out.
Application deadline Jan 6th
www.findaphd.com/phds/project...
#PlantSciencePhDs @blackinplantsci.bsky.social
Reposted by Harry Siviter
Meet our plenary speaker Felicity Muth!
Assistant professor at the University of California Davis, her lab group are broadly interested in cognition, especially aspects of learning and memory that have a clear function in the natural world, focusing on captive and wild bumblebees.
Assistant professor at the University of California Davis, her lab group are broadly interested in cognition, especially aspects of learning and memory that have a clear function in the natural world, focusing on captive and wild bumblebees.
November 6, 2025 at 9:43 AM
Meet our plenary speaker Felicity Muth!
Assistant professor at the University of California Davis, her lab group are broadly interested in cognition, especially aspects of learning and memory that have a clear function in the natural world, focusing on captive and wild bumblebees.
Assistant professor at the University of California Davis, her lab group are broadly interested in cognition, especially aspects of learning and memory that have a clear function in the natural world, focusing on captive and wild bumblebees.
PhD position update. For information on the below position can be found here. www.findaphd.com/phds/project...
November 6, 2025 at 10:03 AM
PhD position update. For information on the below position can be found here. www.findaphd.com/phds/project...
Reposted by Harry Siviter
The bee-st gift for a bumblebee-lover 🐝🧩
Discover some of the UK’s bee species with this 1000 piece jigsaw puzzle from Gibsons.
♻️ Made in the UK & Europe from 100% recycled cardboard.
🎁 Share with someone who would love this.
Get yours today: https://ow.ly/iCbo50XcYRi
Discover some of the UK’s bee species with this 1000 piece jigsaw puzzle from Gibsons.
♻️ Made in the UK & Europe from 100% recycled cardboard.
🎁 Share with someone who would love this.
Get yours today: https://ow.ly/iCbo50XcYRi
November 5, 2025 at 6:10 PM
The bee-st gift for a bumblebee-lover 🐝🧩
Discover some of the UK’s bee species with this 1000 piece jigsaw puzzle from Gibsons.
♻️ Made in the UK & Europe from 100% recycled cardboard.
🎁 Share with someone who would love this.
Get yours today: https://ow.ly/iCbo50XcYRi
Discover some of the UK’s bee species with this 1000 piece jigsaw puzzle from Gibsons.
♻️ Made in the UK & Europe from 100% recycled cardboard.
🎁 Share with someone who would love this.
Get yours today: https://ow.ly/iCbo50XcYRi
Reposted by Harry Siviter
🚨Looking for a PhD project on 🐝? look no further! ✅
"Metapopulation dynamics of pollinating bees under pesticide pressure"
Hosted @bristolbiosci.bsky.social and University of Swansea, with myself, @harrysiviter.bsky.social, and Miguel Lurgi
Full details:
bpb-eu-w2.wpmucdn.com/blogs.bristo...
"Metapopulation dynamics of pollinating bees under pesticide pressure"
Hosted @bristolbiosci.bsky.social and University of Swansea, with myself, @harrysiviter.bsky.social, and Miguel Lurgi
Full details:
bpb-eu-w2.wpmucdn.com/blogs.bristo...
November 5, 2025 at 12:11 PM
🚨Looking for a PhD project on 🐝? look no further! ✅
"Metapopulation dynamics of pollinating bees under pesticide pressure"
Hosted @bristolbiosci.bsky.social and University of Swansea, with myself, @harrysiviter.bsky.social, and Miguel Lurgi
Full details:
bpb-eu-w2.wpmucdn.com/blogs.bristo...
"Metapopulation dynamics of pollinating bees under pesticide pressure"
Hosted @bristolbiosci.bsky.social and University of Swansea, with myself, @harrysiviter.bsky.social, and Miguel Lurgi
Full details:
bpb-eu-w2.wpmucdn.com/blogs.bristo...
Reposted by Harry Siviter
PhD position at the University of Bristol (with me!) entitled 'The legacy impacts of extreme climate events on animal behaviour, physiology, and fitness'.
Fully funded and is available for UK-domiciled students of black heritage. Please reach out with any questions.
tinyurl.com/5n7s8yp9
Fully funded and is available for UK-domiciled students of black heritage. Please reach out with any questions.
tinyurl.com/5n7s8yp9
Funded PhD open to UK-domiciled, home fee applicants of Black African, Black Caribbean or other Black or mixed Black heritage - The legacy impacts of extreme climate events on animal behaviour, physio...
PhD Project - Funded PhD open to UK-domiciled, home fee applicants of Black African, Black Caribbean or other Black or mixed Black heritage - The legacy impacts of extreme climate events on animal beh...
www.findaphd.com
October 21, 2025 at 9:00 AM
PhD position at the University of Bristol (with me!) entitled 'The legacy impacts of extreme climate events on animal behaviour, physiology, and fitness'.
Fully funded and is available for UK-domiciled students of black heritage. Please reach out with any questions.
tinyurl.com/5n7s8yp9
Fully funded and is available for UK-domiciled students of black heritage. Please reach out with any questions.
tinyurl.com/5n7s8yp9
PhD position 'Does regenerative agriculture support pollinator populations?' at @bristolbiosci.bsky.social with myself, Prof Jane Memmott and Dr Richard Comont at @bumblebeetrust.bsky.social. Link below. Please RT 🐝🐝🐝
bpb-eu-w2.wpmucdn.com/blogs.bristo...
bpb-eu-w2.wpmucdn.com/blogs.bristo...
November 4, 2025 at 3:43 PM
PhD position 'Does regenerative agriculture support pollinator populations?' at @bristolbiosci.bsky.social with myself, Prof Jane Memmott and Dr Richard Comont at @bumblebeetrust.bsky.social. Link below. Please RT 🐝🐝🐝
bpb-eu-w2.wpmucdn.com/blogs.bristo...
bpb-eu-w2.wpmucdn.com/blogs.bristo...
Reposted by Harry Siviter
October 31, 2025 at 11:55 PM