An armchair tick from the new C&B

To: "birding-aus" <>
Subject: An armchair tick from the new C&B
From: "Peter Marsh" <>
Date: Thu, 24 Jan 2008 09:02:34 +1100
Dear Birders,
The new C&B list recognises the goshawk seen on Christmas Island as Variable 
Goshawk (Accipiter hiogaster) rather than the Brown Goshawk (A fasciatus).

Concerning the recent thread regarding the taxonomic order of Australian birds 
it should be noted that C&B discuss this at some length in the Introduction 
under the heading "Taxanomic methods". They say "...tree topologies are like 
mobiles.... As a result, there are several equally valid alternative 
translations of the same phylogenetic topology into a linear sequence."  (page 

Peter Marsh

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