Well said Anthea. Given the status of Red-tailed Black-Cockatoo in Victoria,
I'd suggest not mentioning would've been more reprehensible. Speculating about
bird distribution is one of the real positive aspects of birding-aus.
Laurie's comments were interesting. For example I recently saw a large flock of
Yellow-tailed Black-Cockatoo feeding in the muddy red soil of a ploughed potato
farm near Creswick. I didn't note the colour of the tail feathers, but I'm sure
they would have been muddy red. It's also interesting to note the conservative
diet of Red-tailed Black-Cockatoo such as Brown Stringbark, Red Gum and Buloke.
Cheers,
Tim
-----Original Message-----
From: on behalf of brian fleming
Sent: Fri 4/16/2010 5:04 PM
To:
Subject: Red-tailed Blacks in Beenak Forest - a summary
This topic generated a lot of comment but no sort of confirmation.
My only reason for launching the topic was to see if anyone could
confirm that there are some RTBCs or Glossies in the Cockatoo - Beenak
area. (However, it might still be well worth keeping an eye and ear open
if you are in the area.)
The possibilities were Red-Tailed and Glossy. RTBC could just be
possible as an escapee group. Certainly last year's record of a female
RTBC on Birdline was genuine, even if it was an escape. (Everyone should
carry a digital camera at all times.) I haven't enough personal
experience of Glossies, but they seem unlikely.
Laurie Conole suggests that old worn plumage in the yellow panels in
a YTBC can look distinctly orange or even red. This is a definite
possibility. However the head shape when the crest is even partway
raised should distinguish the two species, let alone the calls.
Perhaps I should remark that male humans quite often suffer from
red/green colour blindness, sometimes in less extreme forms resulting in
seeing most shades of red as a sort of dull rufous or chestnut colour.
I have been caught out far too often by birds that "could not
possibly have occurred" where they were reported. Over the years I have
seen a Little Friarbird, a Cicada-bird and a Brush Cuckoo, in Ivanhoe.
The Brush Cuckoo was confirmed by Philip Veerman, who was with me at the
time, and some other bird person confirmed the Little Friarbird (back in
1978). The Cicada-bird was utterly condemned by Roy Wheeler, but some
years later I saw one at Morass Creek in Gippsland which looked and
sounded identical. And what about the Red-backed Kingfisher I saw at
Banyule Flats circa 1982? Birds do turn up unexpectedly all over the
place.
My grateful thanks to all those who made comments.
Anthea Fleming
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