**Appendix A**

**Table A1.** Squamate reptiles of Los Amigos Biological Station (LABS) and adjacent Los Amigos Conservation Concession. LABS column includes only those species documented explicitly from the vicinity of the biological station. LABS-R denotes the full list of documented occurrences from the Los Amigos Conservation Concession, including LABS, CM1, and CM2. LABS-X is the documented and expected regional list for LABS and includes taxa not ye<sup>t</sup> documented from Los Amigos, but which are likely to be detected with further sampling. MUSM: Museo de Historia Natural, Universidad Nacional Mayor de San Marcos (Lima, Peru); UMMZ: University of Michigan Museum of Zoology; RAB: Rabosky Lab field series (formal accession pending; all specimens to be assigned UMMZ catalog numbers).


**Table A1.** *Cont*.


**Table A1.** *Cont*.


**Table A1.** *Cont*.



**Table A1.** *Cont*.

1 Known from multiple lowland sites in Departatmento de Madre de Dios, Peru [15,19,32]. 2 Known from adjacent Rio Las Piedras watershed; Margarita Medina-Müller and Emma Hume, pers. comm. 3 New LABS records documented as part of this study; compare to Whitworth et al. [16]. 4 *Atractus cf. flammigerus* previously (listed as A. flammigerus in [16]). 5 T. Paine, submitted manuscript; photographed. 6 Taxonomy given here follows recent revision of *Erythrolamprus* / *Liophis* [27]. 7 Reference [16] lists *Chironius cf. scurrulus* for Los Amigos, which we provisionally interpret as *Chironius sp.* based on more recently collected material.
