Darwin’s Finch Species Limited by Number
Small Galápagos ground finch (Geospiza fuliginosa), Pinta Island, Galápagos. Image: Ruben Heleno, Univ. of Groningen
Research shows that the number of finch species are limited with new species only emerging as others die out. This despite surprising evidence that overall the number of bird species in Galapagos is increasing – find out more here