[5] Beginning around 1995, the numbers of nesting shore birds such as herons returning to the Sanctuary began decreasing, eventually almost entirely disappearing by 2000.

[6] In 2005, the Sanctuary began a rejuvenation project to improve conditions for the nesting shore birds in the hope of them returning.

Among other actions, they plan to increase the flow of tidal water to the site, remove non-native invasive species of plants and add nature trails for visitors.

[3] Nearby Nummy Island is a salt marsh which offers feeding and nesting grounds.

In 2003, The Wetlands Institute identified the American redstart, black and white warbler, black-throated blue warbler, downy woodpecker and sharp-shinned hawk, but none of the egrets and herons that were traditionally identified with the area.