Gibbons differ from great apes in being smaller and generally monogamous and in not making nests. The species include the siamang, the lar, and the hoolock. The siamang, which is the largest, is distinguished by having two digits on each side stuck together, hence the species name syndactylus.
... and colonized Greenland
Leif Ericsson, (born 970), attempted to colonize Vinland
George Everest, (1790-1866)
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Matthew Flinders, (1774-1814), first to ...