Lynx Birds of the World

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Subject: Lynx Birds of the World
From: Phil Gregory <>
Date: Fri, 21 Apr 2017 07:08:41 +0000
Hi Mike and Michael,
The taxonomy used in the two volume Lynx Non-Passerines and Passerines editions 
is their own Lynx-BirdLife one, not the IOC. It is actually now the most 
radical taxonomy of them all and recognises something like 10965 species, with 
more to come in due course. The taxonomy is heavily based on morphological 
differentiation, with genetic data downplayed, and uses a scoring system based 
on the Tpbias methodology. This allocates a numerical value to each and every 
difference between taxa. 7 is the magic number at which it is deemed a species, 
and this is an attempt to minimise subjectivity in defining such, though of 
course it is not perfect and does not work for morphologically similar species. 
It has been the subject of mixed reviews but it does shine a light on many 
poorly known taxa and has some revealing outcomes, and I certainly recommend 
both volumes as a stimulating look at the wonderful diversity of birds.

Phil Gregory
ornithological writer/tour leader/tour facilitator
Field Guides / Sicklebill Safaris / Cassowary House / Cassowary Tours
PO Box 387
QLD 4881

Ph: +61 7 40 937 318

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