From: "Dean Portelli" <>
To:
Subject: Re: [BIRDING-AUS] Unidentified Pigeon/Dove
Date: Sun, 02 Jun 2002 15:51:08 +1000
After some more research I have some further comments regarding the species
identity of the dove in Nth QLD with the Crested Pigeons.
It has been suggested that because of the birds size (relative to Crested
Pigeon) it is too large to be a Collared Turtledove (Streptopelia decaocto)
and might be a Cape Turtledove (S. capicola). However, the description of
the bird clearly identified the black band on the hindneck (which as far as
I could tell isn't a feature of S. capicola).
BUT both these species are wild species. There exists a domesticated
"species" which has been referred to as Streptopelia 'risoria' or the
Ringed
Turtledove (as discussed at the URL provided by Michael Norris:
http://home.xnet.com/~ugeiser/Birds/Streptopelia.html). This bird is
smaller
than the Collared Turtledove which it closely resembles (and hybridises
with).
Given that the origin of the bird in QLD is likely to be from captive stock
I would suggest it is more likely to be one of these Ringed (or Domestic
Collared) Turtledoves. In Indiana in the US they apparently have
identification problems between this domestic version and the Collared
(both
free-living see http://www.in.gov/dnr/fishwild/focus/spr2001.pdf), the key
feature apparently used to separate the two (besides the call which seems
to
be the most reliable feature) is that the domestic version has white
undertail coverts while the Collared has grey.
Cheers, Dean
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