Mochean 1969 Calioris beirdii 9 June the first I have seen this year - a good population in Brittan's Area. they were displaying and chasing actively- obviously a number of birds have already claimed territories. Late arrival - immediate onset of activity. FAP reports similar observations in the Drum Area. Collected (actually, DOW did it) 2 birds on Brittan's Area - SM 1018, 1019. 10 June they have really jumped right on it. Saw populations on Brittan's Area and the drum area that were displaying actively and, especially, chasing all over the place. One ♂ on B's area was chasing longspurs when he couldn't find any bairdii to chase. this bird was also doing a good deal of wing flashing. bairdii are also occupying small exposed sections of Gasline and Beach Ridges. 11 June About as yesterday. A pair on the bus - slightly exposed bluffs N. of Footprint Lake. Picked up a very fresh wire-bill on East side of road, across from F.A.Q. - SM 1038. 12 June Bill Berg and I saw a full nest cup - copulation sequence, and Bill made some