PI @Rockefeller University. Investigator @HHMI. Instigator of clonal raider ant project #CRAP. 🐜 Evolution, Behavior & Neuroscience. Posts science and photography. 🧠 📸
https://www.rockefeller.edu/research/2280-kronauer-laboratory/
Daniel Kronauer
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Some army ants are extremely polymorphic. This photo shows a large soldier and a small regular worker of Eciton hamatum. If you saw them separately, you wouldn’t even think they belong to the same species. You might also notice the light color of the ants - both are callows / newly eclosed.
#Bugsky 🐙🌿 Shared with me by a fof in SoCal - this is a gynandromorph (both male & female) valley carpenter bee (Xylocopa sonorina). Females are black, males orange, so the extreme color dimorphism really stands out. Per Doug Yanega at UC Riverside, bee gynandromorphs he’s seen are mosaic instead—
Congratulations to Rockefeller’s #classof2026, here’s to your next adventure! 🍾 🔬 🎉 #PHDone
A group of elephants during sunrise in Kenya’s Maasai Mara.
These two male Maasai giraffes seemed to be involved in a playful dance. This behavior, called “necking”, in which the animals swing their necks at each other, is in fact a form of combat practice for young males. It helps the giraffes build neck strength and establishes dominance hierarchies.
I visited Angeles National Forest with Joe Parker yesterday, and Joe found this giant water bug (Abedus indentatus). The females lay eggs on the males’ backs, and the males carry the eggs around until they hatch. Some serious paternal care.
Looks like killa bees saved the Knicks last night!
A family group of elephants grazing in Kenya’s Maasai Mara during the early morning hours. Image taken from a hot air balloon.
Can recommend! 🐜 🐜 🐜
A herd of elands (Taurotragus oryx) at Mount Kenya, across from Old Moses Camp at 3300 meters elevation. Elands are among the very few mammals who venture up to this altitude, where extensive moorlands cover the slopes of the mountain.
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Daniel Kronauer
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Daniel Kronauer
The Rockefeller University
Daniel Kronauer
Tom Astle
Daniel Kronauer
Daniel Kronauer
Daniel Kronauer
Daniel Kronauer
Daniel Kronauer
🚨 PhD opportunity 🚨
Fully funded PhD at the University of Bristol (UK) on how ant colonies remodel their nests to optimise performance under pressure, combining experimental work, quantitative analysis, and field work.
Detail/how to apply: stroeymeyt-lab.co.uk/open-positio...
Deadline: 5 June 2026
