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#wasp

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#Hummingbird chick acts like a #caterpillar to survive
phys.org/news/2025-03-hummingb

"Unlike most #hummingbirds, the jacobin chick was covered in long brown feathers... they saw a predatory #wasp approach the chick when the mother was away. As the wasp hovered above the nest, the chick started to twitch its body vigorously, swinging its head from side to side. A few seconds later, the wasp flew away... many #caterpillars in this region have similar-looking brown hairs that can give painful stings"

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Well would you look at that - it's the gall of the Rose Root Gall Wasp (Diplolepis radicum). Despite their size and color these galls are hard to find given their position low on the stem and often covered by woodland detritus.

I've been on the look out for these for a few years now and, thanks to whoever mowed along the railroad tracks, a few galls were readily visible. Made a nice unexpected find.

Manitoba, Canada