Here's a pretty complete list of what we saw.
Amphibians
Rana warszewitschii
Hyalinabatrachium colymbyphyllum (Glass frog)
Elutherodactylus noblei
Smilisca phaeota (masked tree frog)
Bufo marinus (Marine toad )
Phrynohyas venulosa (Milk tree frog)
Elutherodactylus diastema (Tink frog )
Agalychnis callidryas (Red Eyed Tree frog )
Elutherodactylus fitzingeri (Striped rain frog)
Leptodactylus pentadactylus (Smokey Jungle frog )
Leptodactylus bolivianus (leopard frog like)
Phyllobates vittatus (Golfe Dulce Dart frog)
Dendrobates auratus (Green and Black dart frog)
Dendrobates granuliforous (Granular dart frog)
Reptiles
Corralus hortulanus (Tree Boa)
Boa constrictor imperator (Common Boa)
Pseustes poecilonotus (Topical Bird snake)
Rabdinia decorata (common ground snake)
Bothrops asper (Terciopelo)
Bothreichis schlegelii (Eyelash viper)
Micrurus nigrocinctus (Bi-zonal coral snake )
Leptodeira septentrionalis (Northern cat eyed snake)
Imantodes cenchoa (Blunt-headed tree snake)
Dendrophidion percarinatum (racer)
Conophis lineatus (Road guarder)
Sphearodactylus (gecko)
Thecadactylus rapicauda (Turnip tailed gecko)
Gonatodes albigularis (gecko)
Iguana iguana (Green Iguana)
Ctenosaura similis (spiney tail iguana)
Ameiva festiva
Ameiva quadrilineata (Four-lined ameiva)
Ameiva leptophrys (Giant ameiva)
Cnemidiphorous spp. (common one)
Norops polylepis (Golfo Dulce anole)
Norops limnifrons
Norops capito (Pug-nosed anole)
Norops pentiprion
Norops spp.
Mabuya skink
Galliwasp
Crocodylus acutus (American Crocodile)
Caiman crocodilus (SpectacledCaiman)
Unidentified Sea Turtle
Mammals
Northern tamandua (lesser anteater)
Fishing bat
Sac winged bat
Tent making bat
Leaf nosed bat
Pacific white sided dolphin
Unidentified dolphin
Humpback whale
Agouti
Coatimundi
Large red squirrel
Capuchin monkey
Wooly Howler monkey
Spider monkey
Squirrel monkey
Red Brocket deer
Tayra
Baird's Tapir (9)
