Heather Angel / Bumblebee nectaring on Indian bean tree (Catalpa bignonioides) flower, pollen on back. Surrey, England, UK. August.
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Heather Angel / Bumblebee (Bombus sp) nectaring on Indian bean tree (Catalapa bignoniodes) flower. Pollen on bee's back transferring to stigma. In garden, Surrey, England, UK. July.
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Heather Angel / Southern catalpa (Catalpa bignonioides) flowers. Recently opened with yellow nectar guides, purple in older pollinated flowers. Surrey, England, UK. Native to USA.
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Rolf Nussbaumer / Ruby-throated hummingbird (Archilochus colubris), female in flight feeding on blooming Desert willow (Chilopsis linearis), Hill Country, Texas, USA. August
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Rolf Nussbaumer / RF- Catalpa Sphinx moths (Ceratomia catalpae) at day roost camouflaged on Mesquite tree (Prosopis) bark. Rio Grande Valley, Texas, USA. (This image may be licensed either as rights managed or royalty...