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Re: Mango ID; rare hummers in GA and TN



A couple of things to add to nomenclature, distribution and taxonomy:

The etymology of Anthracothorax, I would guess, is roughly
"coal-chested", which would make the name of Anthracothorax nigricollis,
the Black-throated Mango, only slightly redundant.

The AOU checklist gives the range of Green-breasted as eastern Mexico to
northern Panama, and also northeastern Colombia to northern Venezula
(they describe the range in more detail than that but I won't type the
whole thing).  There is also an "iridescens group" in Ecuador and Peru
that may be a species, A. iridescens, or a subspecies of A.
nigricollis.  All are resident except that the northeasternmost
populations in Mexico are migratory to southern Mexico.  The AOU
considers that Anthracothorax nigricollis, A. veraguensis, and A.
prevostii are closely related and constitute a superspecies. 
Anthracothorax veraguensis is endemic to Panama.  

Kent Fiala
Raleigh, NC

Joshua Stuart Rose wrote:

> 
> On the other hand, I also found a reference that the Green-breasted Mango
> was originally called Prevost's Mango, and that the common name change
> came as a result of splitting the species from the Veraguan Mango,
> Anthracothorax veraguensis. I don't see any discussion below of how to
> tell these two species (split in 1983 by AOU) apart, unless the latter
> has had its name changed again...