california condor Glen Millian 3 September 1964 At 9:35 A.M. the Black Bird was seen in the top of an Oak tree the carcass of the Drop Calf I had dropped near the dead pit. At 9:36 a sub-adult flew in from a high elevation and lit in the bent pine on ridge south of dead pit. The Black Bird showed considerable white under its wings as it raised them in changing position in top of the Oak - but it had no white bar of any sort on the upper side of its wings. Perhaps the white showing more in the bright light of morning than is the case in dimmer evening light. At least it seemed the white was more intense this morning. The sub-adult opened and sunned its wings at 9:55 A.M. At 9:57 A.M. the Black Bird flew out from where the drop-calf lay, jumped its way west along back of north-facing ridge and lit in pine across Canyon from our Camp and about 300 yards west of bent Pine. At 9:58 A.M. the sub-adult that was perched on bent pine flew out and circled three or four times over drop-calf carcass then sideslipped down and lit in Oak above this Calf carcass. At 10:00 A.M. another sub-adult (both these sub-adults are so identified by the same wing form the white under the wings takes and the small, but orange heads with a trace of fuzzy on the forehead; and lack of the intense ashy sheen of the upper parts of the primary feathers) flew out of the north-facing hillside about one-half-