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Bumble Bees Have Their Own Air Conditioning? Scientists Just Found Out!
A brand-new study — published this week in the Journal of Animal Ecology — just revealed something remarkable about bumble bee colonies: they function as living thermostats, maintaining their brood at a precise 30 to 33 degrees Celsius, which is 86 to 91 degrees Fahrenheit, using only the bodies of their workers. When temperatures drop, bees vibrate their flight muscles to heat the nest. When it gets too hot, they fan their wings — a living air conditioning system. And when heat events become extreme, the entire colony redirects its labor away from foraging to cooling, with cascading effects on pollination. Kelly breaks down the science of bumble bee thermoregulation, the critical role of underground nest sites, and what this research means for how we think about wild bumble bee habitat. It's not just about flowers. It's about what's happening below the surface.
www.secretpollinators.com
KEY SOURCES & DOIs
Primary Research — Published May 6, 2026
- Mullan, F.R., Green, N.S., Youngsteadt, E., McCluney, K.E., & Penick, C.A. (2026). Nesting biology shapes climate vulnerability of social bees (Bombus spp.). Journal of Animal Ecology. DOI: 10.1111/1365-2656.70267
- NC State University press release: https://news.ncsu.edu/2026/05/higher-temperatures-bumble-bees/
Bumble Bee Colony Thermoregulation Background
- Bretzlaff, T., Kerr, J.T., & Darveau, C.A. (2024). Handling heatwaves: balancing thermoregulation, foraging and bumblebee colony success. Conservation Physiology, 12(1). DOI: 10.1093/conphys/coae006
- Nest brood temperature range (30–33°C): well-established in the bumble bee thermoregulation literature; see Goulson (2010), Bumblebees: Behaviour, Ecology and Conservation
Nesting Habitat & Wild Bee Conservation
- Biorxiv preprint (Sept. 2025): Nesting behaviour predicts heat tolerance evolution and climate vulnerability in bees. DOI: 10.1101/2025.09.02.673611
#BumbleBees #BumbleBeeSciece #BeeScience #NativeBees #WildBees #Pollinators #PollinatorScience #BeeNesting #GroundNestingBees #BeeHabitat #Superorganism #ColonyBehavior #InsectThermoregulation #BeeConservation #NativeBeeHabitat #BombusImpatiens #SecretPollinators #NaturePodcast #SciencePodcast #WildlifeScience #NatureLovers #EntomologyNerd #Entomology #BeeResearch #NewResearch #JournalOfAnimalEcology #AuburnUniversity #NCState #PollinatorProtection #SaveTheBees #BackyardBees #BeeNerd #InsectScience #MindBlown #ScienceIsAmazing #LivingThermostat #UndergroundBees
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By Kelly ParksA brand-new study — published this week in the Journal of Animal Ecology — just revealed something remarkable about bumble bee colonies: they function as living thermostats, maintaining their brood at a precise 30 to 33 degrees Celsius, which is 86 to 91 degrees Fahrenheit, using only the bodies of their workers. When temperatures drop, bees vibrate their flight muscles to heat the nest. When it gets too hot, they fan their wings — a living air conditioning system. And when heat events become extreme, the entire colony redirects its labor away from foraging to cooling, with cascading effects on pollination. Kelly breaks down the science of bumble bee thermoregulation, the critical role of underground nest sites, and what this research means for how we think about wild bumble bee habitat. It's not just about flowers. It's about what's happening below the surface.
www.secretpollinators.com
KEY SOURCES & DOIs
Primary Research — Published May 6, 2026
- Mullan, F.R., Green, N.S., Youngsteadt, E., McCluney, K.E., & Penick, C.A. (2026). Nesting biology shapes climate vulnerability of social bees (Bombus spp.). Journal of Animal Ecology. DOI: 10.1111/1365-2656.70267
- NC State University press release: https://news.ncsu.edu/2026/05/higher-temperatures-bumble-bees/
Bumble Bee Colony Thermoregulation Background
- Bretzlaff, T., Kerr, J.T., & Darveau, C.A. (2024). Handling heatwaves: balancing thermoregulation, foraging and bumblebee colony success. Conservation Physiology, 12(1). DOI: 10.1093/conphys/coae006
- Nest brood temperature range (30–33°C): well-established in the bumble bee thermoregulation literature; see Goulson (2010), Bumblebees: Behaviour, Ecology and Conservation
Nesting Habitat & Wild Bee Conservation
- Biorxiv preprint (Sept. 2025): Nesting behaviour predicts heat tolerance evolution and climate vulnerability in bees. DOI: 10.1101/2025.09.02.673611
#BumbleBees #BumbleBeeSciece #BeeScience #NativeBees #WildBees #Pollinators #PollinatorScience #BeeNesting #GroundNestingBees #BeeHabitat #Superorganism #ColonyBehavior #InsectThermoregulation #BeeConservation #NativeBeeHabitat #BombusImpatiens #SecretPollinators #NaturePodcast #SciencePodcast #WildlifeScience #NatureLovers #EntomologyNerd #Entomology #BeeResearch #NewResearch #JournalOfAnimalEcology #AuburnUniversity #NCState #PollinatorProtection #SaveTheBees #BackyardBees #BeeNerd #InsectScience #MindBlown #ScienceIsAmazing #LivingThermostat #UndergroundBees