And still more eat insects — a common brown bat can consume a thousand mosquitos an hour! You definitely want those around ...

Fruit — including figs, bananas, guavas and mangoes — and flies Why it's awesome: These "megabats" are the largest in ...

There are remarkable birds, fruit bat colonies and even some giant tortoises from Aldabra. They may not have quite the heft - or the fame - of Esmeralda, but when you leave the lovely island ...