Sentences with phrase «finches inhabiting the islands»
Darwin's notes on the Galapagos helped him develop the theory of evolution by natural selection, as he noted the different finches inhabiting the islands had adapted to suit the island's particular food available.
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Knutie and Clayton say their method might help the endangered mangrove finches, with only 60 cotton dispensers needed to cover the less than half a square mile inhabited by the birds on Isabela Island.
«A human influence on beak size evolution is not new; we have seen the signs in Darwin's finches on the inhabited island of Santa Cruz in the Galápagos,» says Peter Grant of Princeton University, who studies ecology and evolution in Darwin's finches.
In the 1830's Charles Darwin collected finches from the Galapagos Islands and observed that the beaks of the finches were formed differently, depending on what type of habitat they inhabit.