Cave Swallow in Frederick Co., Maryland (11/26/2004). (c) Birder20714, some rights reserved (CC BY-NC). Photo by Jim Stasz. (MBP list)
Cave Swallow in Frederick Co., Maryland (11/26/2004). (c) Birder20714, some rights reserved (CC BY-NC). Photo by Jim Stasz. (MBP list)
First record of Cave Swallow for Allegany Co., Maryland (11/3/2012). Found and collected by Roy Boyle in Westernport, Maryland. Photo by Roy Boyle. (MBP list)
First record of Cave Swallow for Allegany Co., Maryland (11/3/2012). Found and collected by Roy Boyle in Westernport, Maryland. Photo by Roy Boyle. (MBP list)
First record of Cave Swallow for Allegany Co., Maryland (11/3/2012). Found and collected by Roy Boyle in Westernport, Maryland. Photo by Roy Boyle. (MBP list)
A Cave Swallow over Governor Bridge Natural Area, Prince George's Co., Maryland (11/6/2012). This individual flew across the county line and became Anne Arundel County's first record. Photo by Rob Ostrowski. (MBP list)
A Cave Swallow at the Monocacy River Bridge, Lilypons Road, Frederick Co., Maryland (11/26/2004). Photo by Jim Stasz. (MBP list)
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