more notes 05.03.13

5/3 In late afternoon Bob Arrigoni sent Eric photos of dippers he saw on the creek today. One showed the Main St. male SRWW with food in his bill and another of him next to a begging fledgling. The 3rd photo was the female RSRG from the 1st bridge nest. It was taken just north of 3rd bridge according to his note. Correction – RSRG is the female from the 3rd bridge nest, not the 1st bridge.
I (Barbara) went back to Lithia Park after seeing the photos and found an unbanded adult with a chick at a parallel with the tennis courts. The fledgling was begging but also foraging and the adult paid it no attention.
I checked 3rd bridge and the male was still feeding at the nest.
Went home and, on advice from John, googled baby chick development and found one good website with photos of developing baby Robins. It is http://www.messingerwoods/org.quickreference and is called ‘Development of a baby bird’. The dipper chick looks very much like the 6-day photo, with the wing feathers partially erupted from the pin feathers. The chicks hatched between 4/12 and 4/19 and were last seen in the nest on 4/30 when they were 11-18 days old. The dead chick was apparently in the nest while the live chicks were developing. As to their fate, it seems possible that they fledged between 4/30 and 5/2.

Fledgling and male adult from Main St. bridge in Lithia Park photo by Bob Arrigoni

Fledgling and male adult from Main St. bridge in Lithia Park photo by Bob Arrigoni

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