Sanderling (Calidris alba) 3 September 2010 at Half Moon Bay, SM Photo © 2010 Joseph Morlan

Adults, with plain gray on the back, have been moving through for the last month. This was the first juvenile for me. The black centers contrasting with white fringes on the mantle feathers help age this bird as one that hatched this year. Like most arctic shorebirds, adults migrate before juveniles.

Digiscoped with Panasonic DMC-LZ5 | Nikon FieldScope 3 | 30X WA | hand-held (no adapter)
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