Black-throated blue warbler, perched, Parker River National Wildlife Refuge, Plum Island, Newbury, Massachusetts, USA.
Black-throated blue warbler, perched, Parker River National Wildlife Refuge, Plum Island, Newbury, Massachusetts, USA.
Keywords: black-throated blue warbler, Setophaga caerulescens, passerine, warbler, blue, Parker River National Wildlife Refuge, Plum Island, Newbury, Massachusetts, New England, USA, United States of America, North America, bird, birds, birding, nature, outdoors, island, photography, perched
