Terrestrial habitat types include forests, grasslands, wetlands and deserts. Rabbit habitats include meadows, woods, forests, grasslands, deserts and wetlands. Most habitats consist of wetlands and rivers. All occurred in the Southeast, where alligators are endemic to wetlands and tidal marshes. It usually inhabits ponds, rivers, edges of lakes, estuaries and other freshwater wetlands. Both developed and developing countries can increase protection of ecosystems, especially wetlands and riparian zones. Mangrove forests form much of the coastal wetlands along the coast in the south. Acid rain has numerous ecological impacts on streams, lakes, wetlands and other aquatic environments. The government has designated several regions as Ecologically Critical Areas, including wetlands, forests and rivers. The vast swamp was a network of forests, wetlands, and grasslands. This species nests in wetlands and rivers. They breed in deciduous forests good for nesting and forage primarily in wetlands and meadows. Savanna wetlands and gallery forests are also included. The Timucuan Preserve is a U.S. National Preserve comprising over of wetlands and waterways. They make use of grasslands, wetlands, and farmland on the wintering grounds in Africa.