Diet Overlap

Aythya americana (Redhead)
Rallus longirostris (Mangrove Rail)

Common Diet

Astyris lunata (lunar dovesnail)
Costoanachis avara (greedy dovesnail)
Japonactaeon punctostriatus (apitted baby-bubble)
Phrontis vibex (bruised nassa)
Pyrgocythara plicosa (plicate mangelia)

Common Habitat

Alto Golfo de California y Delta del Rio Colorado
Assateague Island National Seashore
Atlantic coastal pine barrens
Big Cypress National Preserve
Blackbeard Island National Wildlife Refuge
Blackwater National Wildlife Refuge
Bombay Hook National Wildlife Refuge
California coastal sage and chaparral
California Floristic Province
California interior chaparral and woodlands
Canaveral National Seashore
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Lookout National Seashore
Cape Romain National Wildlife Refuge
Carolinian-South Atlantic Biosphere Reserve
Central Gulf Coastal Plain Biosphere Reserve
Chattahoochee River National Recreation Area
Colonial National Historic Park
Elkhorn Slough Preserve
Everglades
Fort Pulaski National Monument
Gateway National Recreation Area
Little St. Simons Island
Mesoamerica
Middle Atlantic coastal forests
Mojave desert
North America
Northeastern coastal forests
Padre Island National Seashore
Point Reyes National Seashore
Reserva de la Biosfera El Vizcaino
Santa Monica Mountains National Recreation Area
Santee Coastal Reserve and Washo Reserve
South Atlantic Coastal Plain Biosphere Reserve
Southeastern conifer forests
Virginia Coast Biosphere Reserve
Western Gulf Coastal grasslands

Attributes / relations provided by
1FOOD HABITS OF REDHEADS (AYTHYA AMERICANA) WINTERING IN SEAGRASS BEDS OF COASTAL LOUISIANA AND TEXAS, USA, MICHOT, T. C., WOODIN, M. C. and NAULT, A. J., Acta Zoologica Academiae Scientiarum Hungaricae 54 (Suppl. 1), pp. 239–250, 2008
2Cirtwill, Alyssa R.; Eklöf, Anna (2018), Data from: Feeding environment and other traits shape species' roles in marine food webs, Dataset, https://doi.org/10.5061/dryad.1mv20r6