Species G. coeruleus Northern Alligator Lizard. Northwestern US to southwestern Cananda. Tail almost twice snout-vent length. Olive brown with dark broken, spotty bands. Abdomen with indistinct dark longitudinal striping between scales.
Primary habitat includes woodland and forest, but ranges into grasslands and sagebrush habitats.
Perfers cooler and damper habitats than the Southern Alligator Lizard. Eats insects, millipedes, ticks, spiders, and snails. Madrean Alligator Lizard. Arizona through northern Mexico. Primarily a montane speices, frequents chaparral, oak woodlands, and pine-fir forests in rocky places near permanent or seasonal streams.