Probably Leptodactylus mystacinus.
Single individual calling throughout the recording. Also with Rhrinophrynus dorsalis, G. olivacea, H. variolosus, L. sphenocephala.
Leptodactylus is a genus of leptodactylid frogs. It includes the species commonly called ditch frogs or white-lipped frogs. It is very similar to Physalaemus, a close relative, and indeed the recently rescribed Leptodactylus lauramiriamae is in some aspects intermediate between them.