More than half of its 14,640 acres (59 km2) are tidal marsh and wetlands.

One had been a fantastic flying thing that they took by surprise as it emerged from a tidal marsh.

Prior to the 1906 earthquake, this area was a tidal marsh.

Often, they will enter tidal marshes, but remain near high ground for protection.

A tidal marsh is thick with crude oil, a foot deep in parts.

Experts expect that a tidal marsh will be created along the fringe.

Another 579 acres in the park are wetlands and tidal marshes.

A five-year scientific effort would monitor changes in the tidal marsh from 2001 to 2006.

However, the salt water tidal marsh is being environmentally restored.

The Great blue heron hunts fish along the tidal marshes.