Mark R. Johnson: Merlin-Harford Co., MD
Mark R. Johnson: Clueless funny sign in my neighborhood
Mark R. Johnson: Northern Mockingbird-Harford Co., MD
Mark R. Johnson: Snow Bunting-Baltimore Co., MD
Mark R. Johnson: White-crowned Sparrow-Harford Co., MD
Mark R. Johnson: Northern Flicker-Harford Co., MD
Mark R. Johnson: Orange-crowned Warbler-Harford Co., MD
Mark R. Johnson: Red-bellied Woodpecker-York Co., PA
Mark R. Johnson: Dawn on the Susquehanna
Mark R. Johnson: Orange-crowned Warbler-Harford Co., MD
Mark R. Johnson: Rusty Blackbird-Harford Co., MD
Mark R. Johnson: Red-shouldered Hawk-Harford Co., MD
Mark R. Johnson: White-throated Sparrow-Cecil Co., MD
Mark R. Johnson: Yellow-bellied Sapsucker-Harford Co., MD
Mark R. Johnson: Laughing Gull-Kent Co., MD
Mark R. Johnson: Winter Wren-Cecil Co., MD
Mark R. Johnson: Blue-headed Vireo-Harford Co., MD
Mark R. Johnson: Eastern Box Turtle-Cecil Co., MD
Mark R. Johnson: Common Checkered Skipper-Harford Co., MD
Mark R. Johnson: Delmarva Fox Squirrel-Dorchester Co., MD
Mark R. Johnson: Delmarva Fox Squirrel-Dorchester Co., MD
Mark R. Johnson: Summer Tanager-Kent Co., MD
Mark R. Johnson: Chestnut-sided Warbler-Howard Co., MD
Mark R. Johnson: Eastern Tiger Swallowtail
Mark R. Johnson: Eastern Tiger Swallowtail
Mark R. Johnson: Connecticut Warbler-Howard Co., MD
Mark R. Johnson: Baltimore Oriole-Harford Co., MD
Mark R. Johnson: Black-and-white Warbler-Harford Co., MD
Mark R. Johnson: Veery-Chester Co., PA
Mark R. Johnson: Yellow-throated Vireo-Harford Co., MD