A smoky jungle frog at night.  Though this one is a bit smaller,

we saw another individual as large as an adult person's foot.

(at the Amazonia Expeditions lodge, Tamshiyacu-Tahuayo Reserve, Peru)

amphibian; frog; neotropical frogs; foam-nest frog; smoky jungle frog; (local name) sapo-toro comun; Chordata; Amphibia; Anura; subO Neobatrachia; supF Hyloidea; Leptodactylidae; subF Leptodactylinae; Leptodactylus pentadactylus, South America