Rare Bird Alert Website

[L&L Knight <>]

http://www.birdforum.net/sightingsmap.php  is an example of what can  
be developed when there is a critical density of twitchers in a region.
Interestingly the categories are uncommon, scarcity, rarity and mega- 
rarity.  The current map shows 4 mega-rarities, which may indicate  
that the scale might need to be re-calibrated.
Regards, Laurie.
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