Of Gulliverian parrots and Lilliputian eagles: size changes on islands

This is the ninth post in the Specimen Tales series Anand Krishnan writes ~ The biogeography of islands has long fascinated scientists. The faunal diversity in the Galapagos Islands and the Malay archipelago, respectively, provided the impetus for Darwin and Wallace to propose their theories on the evolution of species. Birds typically arrive on islands by volant colonization (a fancy way of saying they flew there), and may then evolve different forms from their mainland ancestors. The work of J. Bristol Foster, Ted Case and others has related changes in size on islands to (among other things), the presence of … Continue reading Of Gulliverian parrots and Lilliputian eagles: size changes on islands