Evolution in the News
Galapagos Tortoise (G.
n. porteri) Santa Cruz, Galapagos. Galapagos
Tortoises can weigh up to 600 lbs. and grow up to 6 feet in length. The dome shaped sub species found in the highlands of Santa Cruz graze on grass and have short legs and necks. On smaller, drier islands saddlebacked varieties adapted longer legs and necks in order to reach the taller cactuses that provide their food.
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