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Hooded katydids (Phyllophorella queenslandica) at Wild Life Sydney Zoo.

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A katydid (Enyaliopis petersi), a young nymph (juvenile)

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Sylvan katydid (Zabalius ophthalmicus) collected at Chitengo Camp in Gorongosa National Park.

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Oblong-winged katydids (Amblycorypha oblongifolia) at the Insectarium in New Orleans. These color variants are found in nature, though anything but green is usually eaten by predators immediately. The Insectarium has been a leader in breeding these color variants for display in the zoo community.

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Oblong-winged katydids (Amblycorypha oblongifolia) at the Insectarium in New Orleans. These color variants are found in nature, though anything but green is usually eaten by predators immediately. The Insectarium has been a leader in breeding these color variants for display in the zoo community.

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Greater-arid land katydid (Neobarrettia spinosa) at the Insectarium in New Orleans.

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Oblong-winged katydid (Amblycorypha oblongifolia) at the Omaha Henry Doorly Zoo. This one is pink, an unusual color morph. The pink katydids range throughout most of the United States; particularly the midwest and north east. The most common color phase is green. These animals rely primarily on camouflage to defend against predators. Occasionally, pink and even orange katydids are found. This is caused by genes, not diet, age, or sex. Recent evidence has shown that the pink color phase is actually dominant over green when bred in the lab. However, in the wild, the pink katydids are more readily picked off by predators before reaching maturity. The individuals do not appear to be aware of their color and do not change their life patterns accordingly.

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Dragon-headed katydid (Eumegalodon blanchardi) at the Omaha Henry Doorly Zoo.

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An endemic species of katydid (Liparoscelis cooksoni) on Santa Cruz Island, on the edge of Galapagos National Park.

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Juvenile katydid (Arantia sp.), from Bioko Island, Equatorial Guinea.

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A katydid/grasshopper that has adapted to mimic foliage on Bioko Island, Equatorial Guinea.

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A katydid/grasshopper that has adapted to mimic foliage on Bioko Island, Equatorial Guinea.

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A katydid/grasshopper that has adapted to mimic foliage on Bioko Island, Equatorial Guinea.

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A katydid/grasshopper that has adapted to mimic foliage on Bioko Island, Equatorial Guinea.

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Leaf-imitating katydid (Corycoides jurinei) from Bioko Island, Equatorial Guinea.

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Green katydid (Arantia accrana) from Bioko Island, Equatorial Guinea.

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Green katydid (Arantia accrana) from Bioko Island, Equatorial Guinea.

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Green katydid (Arantia accrana) from Bioko Island, Equatorial Guinea.

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A katydid/grasshopper that has adapted to mimic foliage on Bioko Island, Equatorial Guinea.

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A katydid/grasshopper that has adapted to mimic foliage on Bioko Island, Equatorial Guinea.

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A gladiator katydid found at Spring Creek Prairie near Denton, Nebraska.

Photo: Julie Jensen Director of Marketing | WVC O: 866.800.7326 | D: 702.443.9249 | E: j.jensen@wvc.org

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