A. The sandstone boulder and cliff face habitat of Xantusia gracilis, Truckhaven Rocks, San Diego County, California. B. Slot canyon microhabitat of X. gracilis, Truckhaven Rocks. C. Crumbling, exfoliation-like microhabitat of X. gracilis, Truckhaven Rocks. D. Relatively smooth, compact granite boulder microhabitat of X. henshawi showing a cap-rock (at top) and an exfoliation (in lower right), Mountain Meadows, San Diego County, California. E. Granite boulder outcrop habitat of X. henshawi, Aguanga, Riverside, County, California.

 
 
  Part of: Grismer LL (2021) A new genus for the tiny hawk Accipiter superciliosus and semicollared hawk A. collaris (Aves: Accipitridae), with comments on the generic name for the crested goshawk A. trivirgatus and Sulawesi goshawk A. griseiceps. Vertebrate Zoology 71: 419-424. https://doi.org/10.3897/vz.71.e69214