This is what I was able to ID in reptiles.
1. Bothrops asper, fer de lance
2. Bothriechis schlegelii, eyelash viper
5. Diploglossus bilobates
6. Lepidophyma reticulatum, tropical night lizard
7. Mabuya unamarginata?
8. Diploglossus bilobates
12 & 13. Polychrus gutturosus, throaty bush anole
14. Oxybelis brevirostris, green vine snake
16. Porthidium nasutum, hog-nosed viper
19. Norops capito, pug-nosed anole
20. Dendrophidion percarinatum, Central American forest racer