What are the causes for the recent colonization of Bare-faced Ibis "Phimosus infuscatus" in Santa Catarina Island?

Andrei Langeloh Roos @Andrei-Langeloh-Roos

18 February 2013 1 6K Report

Despite occuring in the southern state of SC, there is a recent expansion of the species in the north central coast. The causes are not clear. There are countless recent records to Florianópolis in WikiAves.com.br

Article Birds new to Santa Catarina State, southern Brazil

James Joseph Roper

I would bet that the "causes" will never be clear. With anthropic effects everywhere, draining land in some places, increased or decreased rainfall in others - how would one even go about testing for causes?

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