Barrier Island/Lagoon System


IBA Justification

The site was identified as internationally important for bird conservation in 2009 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:
Species Red List Season (year/s of estimate) Size IBA criteria
Brent Goose Branta bernicla LC non-breeding (2004) 17,000 birds A4i
Glossy Ibis Plegadis falcinellus LC breeding (2003) 669 pairs A4i
American Oystercatcher Haematopus palliatus LC breeding (2003) 525 pairs A4i
Piping Plover Charadrius melodus NT breeding (2005) 151 pairs A1, A4i
Whimbrel Numenius phaeopus LC passage (1996) 40,000 birds A4i
Short-billed Dowitcher Limnodromus griseus VU passage (1996) 46,000 birds A4i
Black Skimmer Rynchops niger LC breeding (2003) 1,679 pairs A4i
Least Tern Sternula antillarum LC breeding (2003) 703 pairs A4i
Forster's Tern Sterna forsteri LC breeding (2003) 1,521 pairs A4i
Royal Tern Thalasseus maximus LC breeding (2003) 2,058 pairs A4i
Seaside Sparrow Ammospiza maritima LC breeding (2005) 122,000 pairs A4ii

IBA Protection

Year Protected Area Designation (management category) % coverage of IBA
1943 Chincoteague National Wildlife Refuge (IV) 7
1959 Mockhorn Wildlife Management Area (V) 3
1965 Assateague Island National Seashore (V) 6
1969 Fisherman Island National Wildlife Refuge (IV) 1
1970 Smith Island Private Conservation Land (V) 1
1970 Hog Island Private Conservation Land (V) 1
1970 Godwin Island Private Conservation Land (V) <1
1970 Ship Shoal Island Private Conservation Land (V) <1
1970 Myrtle Island Private Conservation Land (V) <1
1971 Wallops Island National Wildlife Refuge (IV) 2
1972 Mink Island Private Conservation Land (V) 1
1973 Parramore Island Private Conservation Land (V) 2
1973 Cobb Island Private Conservation Land (V) <1
1973 Rogue Island Private Conservation Land (V) <1
1974 Chincoteague Proposed Wilderness (Ib) 1
1974 Revel Island Private Conservation Land (V) 1
1975 Metompkin Island Private Conservation Land (V) <1
1978 Brownsville Farm Private Conservation Land (V) <1
1979 The Virginia Coast Reserve UNESCO-MAB Biosphere Reserve (UA) -
1984 Eastern Shore of Virginia National Wildlife Refuge (IV) 1
1986 The Nature Conservancy Easement (V) <1
1989 Little Cobb Island Private Conservation Land (V) <1
1990 Fowling Point Private Conservation Land (V) 1
1997 Greens Creek Private Conservation Land (V) <1
1998 Cedar Island Macrosite Fee Private Conservation (V) <1
2001 US-VA-62-1 Environmental System (V) <1
2002 The Nature Conservancy Easement (V) 2
2002 Magothy Bay Landings Easement (V) <1
2005 US-VA-87-1 Environmental System (V) <1
2006 Magothy Bay State Natural Area Preserve (V) <1
2006 US-VA-102-1 Environmental System (V) <1
2006 US-VA-86-1 Environmental System (V) <1
2006 US-VA-92-1 Environmental System (V) <1
2006 US-VA-103-1 Environmental System (V) <1
2006 US-VA-104-1 Environmental System (V) <1
2008 Cedar Island Private Conservation (V) <1
2008 Phillips Creek Environmental System (V) <1


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Barrier Island/Lagoon System (USA). Downloaded from https://datazone.birdlife.org/site/factsheet/barrier-island-lagoon-system-iba-usa on 23/12/2024.