25 May 1979 Black Oak 1355 - 1555 PDT 120 minutes 2 hours 1355.00 start watch, nest empty 46.45 1441.45 ♂ 426 enters hole, down 21.15 Nest unoccupied ~~ 59.45 1503.00 ♂ 426 head out 1.20 Nest occupied 60.15 1504.20 ♂ 426 back down 4.15 1525.00 ♂ 426 head out 20.40 up 1525.30 ♂ 426 back down .30 down 56.00 1530.45 ♂ 426 ⬆ head out 5.15 1531.40 ♂ 426 back down .55 ♂ 426 (n) In hole down up at 1540.30 ♂ 426 head out 8.50 1 60.15 56.0 4,15 - 1542.00 ♂ 426 leaves nest 1.30 1555.00 nest empty 13.00 120 minutes 27 May 1979 Black Oak 1135 - 1435 PDT 180 minutes/ 3 hours 1135.00 ♀ (?) in nest, head out 7.45 Nest unoccupied 39.55 1142.45 ♀ (?) leaves nest 19.05 Nest occupied 140.05 1201.50 ♂ 102 at hole, leaves 20.50 up 8.00 1222.40 ♂ 426 enters nest, down 22.20 down 132.05 1245.00 ♂ ~~ 426 ⬆ leaves nest 22.20 ♂ 426 n In hole down up at hole 1245.00 ♂ 102 enters nest - ♂ 102 1 110.00 109.45 .15 1/nil 1319.45 ♂ 102 head out 34.45 ♀ (?) 1 7.45 - 7.45 - 1320.00 ♂ 102 back down .15 1435.00 ♂ 102 in hole, end watch 75.00 19 June 1979 Black Oak 0915 - 1225 PDT 190 minutes food units 0915.00 start watch bird n bonus! 1207.00 ♂ 426 feeds, 3 ♂ 426 1 3 3 1225.00 end watch 20 June 1979 Black Oak 0600 - 0945 PDT 225 minutes 0600 start bird n visits 1-0 food units 0819.00 ♂ 321 2 9 2⬜-9 19 0819.30 ♂ 426 2 3--1 1--0 0822.00 ♂ 321 2 1--0 0829.00 ♂ 426 2 12 2--11 25 0830.00 ♂ 321 2 3--1 0833.00 ♂ 321 2 0833.30 ♂ 426 2 0836.00 ♂ 321 2 ♀ 427 ~~ - at nest with 0837.00 ♂ 426 2 2, didn't fe 0838.00 ♂ 321 2 0839.00 ♂ 321 2 0839.30 ♀ 427 at nest with 22 46 0840.00 ♂ 426 2 0840.15 ♂ 321 2 0843.00 ♂ 426 2 { simultaneous 0843.15 ♂ 321 3 both at hole 0845.00 ♂ 426 2 0853.00 ♂ 426 3 0857.00 ♂ 426 2 0857.30 ♂ 102 2 0902.00 ♂ 426 2 0930.00 ♂ 426 2 0937.00 ♂ 426 2 0945 end watch 20 of the 22 visits came within a 45 min period between 0819 and 0904. Lots of flycatching activity. At 0843 ♂ 426 + ♂ 321 arrived nearly simultaneously, ♂ 426 first. Moved to land, fed first. ♂ landed to left of hole as ♂ 426 fed, then ♂ stepped aside as ♂ 321 fed. Both flew off more or less together. No dominance seen.