Sebastian Kennerknecht / San Francisco Garter Snake (Thamnophis sirtalis tetrataenia) on pond vegetation, Pescadero, California
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Ingo Arndt / Carpet Python (Morelia spilota), Australia
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Ingo Arndt / Green Tree Python (Morelia viridis) juvenile, Papua New Guinea
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Ingo Arndt / Carpet Python (Morelia spilota), Australia
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Sebastian Kennerknecht / Yellow-eyed Ensatina (Ensatina eschscholtzii xanthoptica) male salamander, Wilder Ranch State Park, California
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Sebastian Kennerknecht / Yellow-eyed Ensatina (Ensatina eschscholtzii xanthoptica) salamander near creek in Coast Redwood (Sequoia sempervirens) forest, Wilder Ranch State Park, California
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Sebastian Kennerknecht / San Francisco Garter Snake (Thamnophis sirtalis tetrataenia) near pond, Pescadero, California
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Sebastian Kennerknecht / Western Yellow-bellied Racer (Coluber constrictor mormon) snake held by biologist, Pescadero, California
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Sebastian Kennerknecht / San Francisco Garter Snake (Thamnophis sirtalis tetrataenia) portrait, Pescadero, California
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Sebastian Kennerknecht / San Francisco Garter Snake (Thamnophis sirtalis tetrataenia) on pond vegetation, Pescadero, California
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Claus Meyer / Parrot Snake (Leptophis ahaetulla) hanging from tree showing defensive display, Caatinga ecosystem, Brazil
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Claus Meyer / Parrot Snake (Leptophis ahaetulla) in threat display, Caatinga ecosystem, Brazil
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Claus Meyer / Northern Coastal House Snake (Thamnodynastes strigilis) rearing up in defensive position, Caatinga ecosystem, Brazil
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Mark Moffett / Leafcutter Ant (Acromyrmex octospinosus) retrieving artificial bait that kills their fungus gardens, bait is used by farmers to control this non-native pest, Guadaloupe