A Darwin's finch on a giant tortoise for the anniversary of On the Origin of Species
© Tui De Roy/Minden Picture
Greetings from Galápagos. The tortoise and the finch
That’s a type of Darwin’s finch perched atop a giant tortoise on Isabela Island, the largest of the Galápagos Islands. The Galápagos form an archipelago more than 500 miles off the west coast of the South American mainland, and the islands are home to many species found nowhere else on Earth. The bird is named, of course, for Charles Darwin, the naturalist who travelled here in 1831. His observations of several finch species and other wildlife endemic to the Galápagos contributed to his theory of natural selection, which he documented in On the Origin of Species, a book that’s considered a cornerstone of biology. It was first published on this day in 1859.
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