Study: Climate change behind bird evolution
A New study suggests Australia’s wild parrots, which are being exposed to high temperatures, have evolved to grow longer wings to cope with the extra heat.
Australian researchers have found the wing length of ringneck parrots has increased by up to five millimeters compared to that in the 1970s.
Scientists believe it means the birds have adapted so they can shed more heat when they fly. The study has compared today's birds with specimens dating back to 1904. It found the biggest change took place in the last four decades.
Professors say small temperature changes such as 0.1 Centigrade a decade, could have a large impact on animals.
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