There are two subspecies of the Galapagos giant tortoise (Chelonoidis nigra) – not just one, as had been long believed – living on the island of Santa Cruz in the Galapagos Archipelago, says a team of scientists led by Dr Gisella Caccone of Yale University. The Eastern Santa Cruz Tortoise (Chelonoidis nigra ssp. donfaustoi). Image credit: Washington Tapia. Two main populations of giant tortoises are known to inhabit the island: a large...
