Big Tortoise, Big Impact
Giant tortoises dramatically alter their habitat. In
large numbers, these plant-eaters graze down acres of
tall grasses, bulldoze small trees and shrubs for leaves,
and pass seeds—opening paths and supplying food for
Watch a Video Clip of One of These Giant Vegetarians
Off the coast of Africa, Aldabra tortoises keep the island landscape "mowed" by eating down the beach grasses.
Squares link to animal fun facts.