birding-aus

The Ultimate Twitchathon

To: "John Penhallurick" <>
Subject: The Ultimate Twitchathon
From: John Tongue <>
Date: Fri, 5 Sep 2008 13:05:21 +1000
Ooohh!  My aching head!

John Tongue
Ulverstone, Tas


On 05/09/2008, at 12:39 PM, John Penhallurick wrote:

Dear Friends,
One easy way to weight species might be in terms of their ratings by
Birdlife International. Say, 5 for a species rated as CR (critical), 4 for a species rated as EN (Endangered), 3 for a species rated as VU (Vulnerable), 2 for a species rated as NT (Near-Threatened) and 1 for a species rated as
none of the above.
Of course, this would not relate to the difficulty of finding the species.
I would rate the Princess Parrot as one of the most difficult birds in
Australia to see, but its rating is only NT. I think the answer might be
for birders in a country to come up with their own ratings, combining
endangerment with difficulty of finding.
John Penhallurick

-----Original Message-----
From: 
 On Behalf Of John Tongue
Sent: Friday, 5 September 2008 12:31 PM
To: L&L Knight
Cc: Birding Aus
Subject: Re: [Birding-Aus] The Ultimate Twitchathon

Interesting thought, Laurie, but not without its difficulties, I
predict.  Forty-spotted Pardalotes would have to score high for me,
but maybe not so for someone living in Hobart, Kingston, or Bruny
Island, for instance.  And then, should my night parrot score more or
less than your Paradise Parrot?

Maybe someone can come up with an acceptable list of scores?

(meanwhile, don't forget our Great Tassie Twitch!)

Cheers,
John Tongue
Ulverstone, Tas.


On 05/09/2008, at 10:59 AM, L&L Knight wrote:

John Tongue's Tassie Twitchathon invitation got me thinking of an
alternative to the traditional twitchathon model.

Just as Rogaining is a points variation of orienteering, it should
be possible to have a points version of the twitcherthon.  Common-as-
mud species score 1, rarer and harder-to-find species score more.
For example, a White-Throated Grasswren might score 20 in a NT
competition, a Sooty Owl might score 5 in a Vic competition, and a
Princess Parrot might score 50 in a WA comp.

This way, there would be an incentive for people to chase species
they normally wouldn't go after if they are simply trying to see the
greatest number of species.

Regards, Laurie.
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