SACC Accepts Colombian Chachalaca Split

Colombian Chachalaca - Matt Gable

by Rich Hoyer on January 6, 2011 · 0 comments

in Birding News

The South American Classification Committee has made final the split of Colombian Chachalaca, Ortalis colombiana, from Speckled Chachalaca, Ortalis guttata.

This is an old chestnut of allopatric populations on which various authorities have taken different views over the years.  SACC has had this issue down as requiring a proposal for many years.  There has now also been a study of voice that supports one of the two approaches, i.e. splitting columbiana.  If anyone wants to do a separate proposal on splitting the vocally more similar Brazilian taxa, then that would be a separate matter.

So it seems that there might be more splits in the future. To read the whole of Proposal 439 as well as the committee members’ comments, go to the SACC website here.

Top Photo:  Colombian Chachalaca kindly from Matt Gable

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Tagged as: Birding Colombia, Birding South America, Colombian Chachalaca, Taxonomy and splits

Article by Rich Hoyer

Rich Hoyer is first and foremost a birder whose subconscious registers and identifies every bird he hears, even when he isn't birding. But he actually started keying out wildflowers , catching reptiles, and raising butterflies before he discovered birding at age 14, and has since branched out to enjoy photographing and identifying dragonflies, grasshoppers, spiders and almost anything else alive. For the past 13 years he has been leading birding and natural history tours for WINGS. Among his regular destinations are Bolivia, Brazil, Peru, the Galapagos, Costa Rica, Mexico, and Jamaica. Originally from Oregon, he currently lives in Tucson, Arizona.

Rich has written 79 awesome articles for us.

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