>> if it's creeping or crawling or got large teeth, guaranteed coyote peterson is looking for it and in this lightest episode of brave wilderness he's in costa rica. >> okay so what's he looking for? because this guy likes to make things bite him. >> yes. >> you know they're just looking for crocodile. >> by this one. >> he's down there with dr. chris murray who is a he's a croc wrangler and this is where they say there are normally a lot of crocodiles. >> a lot of them we found right underneath us right here buried down in the mud. >> as the waters will recede they just sit and let the mud harden over top of them. >> no! >> i didn't know that. so wait there's danger under foot you don't even know. you could be standing on top of a man eater. >> they say that area is full of crocs who are basically hibernating until the rainy season returns. >> because dr. murray is a lot of crocodiles in the area, so they're trying to look for some water so they can find them so they can measure them, take blood samples, and do his research. >> they go find a little bit of water. and they do find tw