Most Common Species
Showing 20 most frequently observed species out of 100 total documented species.
Mergus serrator
Red-breasted Merganser
Very Common91 obs.
Bucephala clangula
common goldeneye
Very Common53 obs.
Larus delawarensis
Ring-billed Gull
Very Common48 obs.
Aythya marila
greater scaup
Very Common48 obs.
Larus smithsonianus
American Herring Gull
Very Common48 obs.
Anas platyrhynchos
mallard
Common46 obs.
Bucephala albeola
Bufflehead
Common16 obs.
Mergus merganser
goosander
Common11 obs.
Podiceps auritus
horned grebe
Common10 obs.
Actitis macularius
spotted sandpiper
Common9 obs.
Branta canadensis
Canada goose
Common9 obs.
Aythya americana
Redhead
Occasional9 obs.
Hydroprogne caspia
Caspian tern
Occasional8 obs.
Clangula hyemalis
long-tailed duck
Occasional7 obs.
Melanitta deglandi
White-winged Scoter
Occasional6 obs.
Aythya affinis
Lesser Scaup
Occasional5 obs.
Calidris alba
sanderling
Occasional5 obs.
Calidris minutilla
least sandpiper
Rare5 obs.
Fulica americana
American Coot
Rare5 obs.
Dreissena bugensis
quagga mussel
Rare5 obs.
Want the Complete Field Guide?
Get all 100 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Premium field guide includes identification tips, seasonal patterns, and professional layout optimized for field use.