Bakersfield Legless Lizard vs. Northern Legless Lizard
Split on genetics (Parham & Papenfuss 2013); their records touch in the southern San Joaquin Valley. A: Clearly wider than long (hand lens needed; no open photo shows it) in the Bakersfield Legless Lizard; longer than wide, or about equal (hand lens needed; no open photo shows it) in the Northern Legless Lizard. B: Purplish-grey, dark blue-grey or lavender-brown, heavily stippled (no open photo shows it) in the Bakersfield Legless Lizard; bright yellow, lemon-yellow or yellow-cream, stippling only at the scale edges in the Northern Legless Lizard. C: 26 to 28, usually 26 in the Bakersfield Legless Lizard; 24 to 26, usually 24 in the Northern Legless Lizard. Range decides in the field: the southern San Joaquin Valley (Bakersfield) vs the Coast Ranges, the Bay Area and the Sierra foothills (Northern).
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Photographs via iNaturalist under Creative Commons licences; the photographers are credited on the sheet.
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