Castle Island birds and the dog that wanted to eat them

Mary Ellen took Dolly the dog up to Castle Island for a walk yesterday.

They spotted a plump dunlin, a flock of them and a female common eider (also purple sandpipers, which to the untrained eye look just like dunlins, only more gray than brown):

Dolly seemed particularly interested in sampling one or two, but Mary Ellen reports none took her request seriously and so didn't simply fly into her mouth:

Also, it was pretty floody along the walkways as high tide approached: