Laredo Striped Whiptail vs. Six-lined Racerunner

They meet in the brush and sandy floodplains along the Rio Grande. A: Bold white wavy lines in the Laredo Striped Whiptail; no bold white wavy lines: plain or faintly spotted in the Six-lined Racerunner. B: Brown; no green wash in the Laredo Striped Whiptail; a green wash on the head and forebody (strongest in males) in the Six-lined Racerunner. All Laredo Striped Whiptails are females; adult male racerunners have a pale blue belly.

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

More comparisons

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