Giant Ameiva vs. Six-lined Racerunner

Giant Ameivas run in Miami-Dade's vacant lots and road edges, where Six-lined Racerunners live too. A: Brown in front and bright green on the back half in the Giant Ameiva; green wash on the head and front, brown behind in the Six-lined Racerunner. B: Rows of pale spots on the dark sides, no clean stripes in the Giant Ameiva; six or seven clean pale stripes, no spots in the Six-lined Racerunner. The Giant Ameiva is much bigger: 12 to 20 in, against 6 to 9.5 in.

Photographs via iNaturalist under Creative Commons licences; the photographers are credited on the sheet.

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