Common-Uncommon-Rare

["Pine Creek Pictures" <>]

Does anyone know if there is a standard definition of the terms Common, 
Uncommon, Rare.

We are in the process of trying to update some brochures and attempting to 
assign a frequency of occurrence to the bird species.

This is traditionally done with the the notations C=Common, U=Uncomon, R=Rare, 
V=vagrant etc.

Here I have at least 8 various publications and checklists, all of which give a 
different definition to these terms.

Thanks

Dominic Chaplin
Cairns, QLD

==============================www.birding-aus.org
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