Photo by Bob Thomas, Asa Wright Nature Centre, Trinidad. Bipalium flatworms are easily differentiated from Gigantea gigantea by having a spade-shaped head (see underside on left of this worm pictured). […]

Terrestrial flatworms, planarians of the family Geoplanidae, are rather secretive animals that live in humid zones like leaf-litter, under logs and rocks, and in burrows in moist soil.  They prowl […]

Photo by Bob Thomas, Asa Wright Nature Centre, Trinidad, November 2004. Terrestrial leeches are rarely encountered by us in Trinidad.  Their definitive identification relies on a specimen in hand by […]