I could commonly hear the splash of the water when he came up, and so also detected him.
But the favourite resorts of the iguana are trees which overhang the water, into which they let themselves fall with a splash, whatever the height of the tree, and then swim away, or hide at the bottom for many minutes.
When I approached carelessly and alarmed them, they made a sudden splash and rippling with their tails, as if one had struck the water with a brushy bough, and instantly took refuge in the depths.
One genus of Thomisidae (Phognarachne), which inhabits the Oriental region, adopts the clever device of spinning on the surface of a leaf a sheet of web resembling the fluid portions of a splash of bird's dung, the more solid central portions being represented by the spider itself, which waits in the middle of the patch to seize the butterflies or other insects that habitually feed on birds' excrement and are attracted to the patch mistaking it for their natural food.
They ran until daylight then slowed. Gabe followed a trail Rhyn couldn't see that led them to a stream. The assassin stopped and knelt to splash water on his face.