Common Pochard vs Greater Scaup

The Common Pochard and Greater Scaup are both diving ducks, but they can be distinguished by head shape and plumage. The Common Pochard has a more rounded head and a distinctive reddish-brown head, while the Greater Scaup has a more peaked head and a greenish gloss on the head.

Head shape and color: Look for the rounded, reddish-brown head of the Common Pochard versus the peaked, greenish-black head of the Greater Scaup. Body color: Note the more uniform gray body of the Greater Scaup compared to the contrasting black breast and gray body of the Common Pochard. Habitat preference: Consider the habitat; Greater Scaups are more likely in coastal areas, while Common Pochards are found in freshwater environments.

Both species are similar in size, but the Greater Scaup is slightly larger and bulkier than the Common Pochard.

The Common Pochard has a reddish-brown head, black breast, and gray body. In contrast, the Greater Scaup has a black head with a greenish gloss, a white band at the base of the bill, and a more uniform gray body.

Both species are diving ducks and exhibit similar feeding behaviors by diving for food. They are often seen in flocks, especially during migration.

Common Pochards are typically found in freshwater lakes and ponds, while Greater Scaups prefer larger bodies of water, including coastal bays and estuaries.

Vocalizations are not a reliable distinguishing feature for these species in the field.