California tortoiseshell migration?

Patrick Foley patfoley at
Sun Mar 14 01:24:51 EST 2004


Today I saw dozens of worn California Tortoishells, Nymphalis 
californica, sipping moist sand in the inner coast range (Capay Valley). 
They were not visiting the spring flowers (Ceanothus, Amsinckia, 
Dodecatheon,Castilleja, Cercis) available. Where are they going?  Is 
anyone else seeing related phenomena?

patfoley at


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