Birds at high altitude are protected from nest predation from snakes by the cool climate. Climate change is likely to see snakes active at higher altitudes. see http://e360.yale.edu/feature/as_andes_warm_deciphering_the_future_for_tropical_birds/2873/
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Thanks Laurie I do not think we have to go as far as Peru to see this effect. In New Guinea, some swiftlets in the highlands nest on the floor of caves instead of the ceilings, as there are (were) no snakes up there. You can download my short note on this by clicking on my 1990a paper “An unusual nesting habit for swiftlets”. it is towards the end of this page: http://www.swiftsoftheworld.info/spplist.htm Enjoy life before the snakes take over. Cheers Mike =================== Michael Tarburton tarburton.m@optusnet.com.au =================== On 13/05/2015, at 9:21 PM, Laurie Knight wrote:
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