Eastern Black Swallowtail - The dark coloration of the female Eastern Black Swallowtail is a form of Batesian mimicry. It mimics the Pipevine Swallowtail (Battus philenor), a toxic butterfly species that birds avoid eating due to the poisonous acids stored from its host plant. By resembling the Pipevine Swallowtail, the palatable Black Swallowtail gets a measure of natural protection from avian predators. (AI Identification - Gemini)
Bob Simrak Photography
Monday, July 27, 2026
Saturday, July 25, 2026
Wednesday, July 22, 2026
Margined Calligrapher Fly - Notice the two large compound eyes and single pair of wings typical of flies (rather than bees or wasps, which have four wings). The distinct pattern of black markings down the center surrounded by a continuous yellow outer border along the abdomen gives this species its name. (AI identified, Gemini)
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Eastern Black Swallowtail - The dark coloration of the female Eastern Black Swallowtail is a form of Batesian mimicry. It mimics the Pipev...
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Some random images from the past year. Surprising backyard rainbow B&W rendition of poster mode. Out of camera poster mode. Deterioratin...