As the world's only swimming lizard (not sure why they don't count turtles), the marine iguanas are weirdly amazing. On our last day, we went walking out to Tortuga Bay and saw a huge colony of giant seaguanas, as I was calling them. They usually camouflage with the black volcanic rocks of the beach that you really have to watch your step.
A few odd things: they sneeze a lot, to get salt water out of their systems, they have huge tails and swim with that, like little aligators (which are lizards that also swim, not sure where they get this "only swimming lizard" thing from), and are vegetarian, diving down for sea kelp to eat. I was lucky enough to snorkel with them on a few occasions. Never got bored of those guys.
Very cool lizards (swimming or not)
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