Pied-billed Grebe vs Red-necked Grebe

The Pied-billed Grebe and Red-necked Grebe can be distinguished by their bills and size. The Pied-billed Grebe has a short, thick bill with a distinctive black vertical bar during breeding season, while the Red-necked Grebe has a longer, more pointed bill. The Red-necked Grebe is also larger and has a more robust body.

Bill shape and color: Look for the Pied-billed Grebe's short, thick bill with a black bar in breeding season. Size and structure: Note the larger size and more robust body of the Red-necked Grebe. Plumage: During breeding, the Red-necked Grebe's reddish neck is a key feature. Habitat: Consider the habitat; Pied-billed Grebes prefer freshwater marshes, while Red-necked Grebes are found on northern lakes and coastlines.

The Red-necked Grebe is larger than the Pied-billed Grebe, with a more robust body structure.

The Pied-billed Grebe has a brown plumage with a bluish-white bill featuring a vertical black bar during breeding season. In contrast, the Red-necked Grebe has a more striking plumage with a reddish neck during breeding season and a longer, more pointed bill.

Both species are aggressive and territorial, but the Red-necked Grebe is noted for its elaborate courtship rituals and frequent raucous calls on breeding grounds. The Pied-billed Grebe is more secretive and often escapes danger by diving.

Pied-billed Grebes are found in freshwater marshes, lakes, and sluggish rivers, while Red-necked Grebes breed on small lakes in northern prairies and forests, and winter on northern coastlines.

The Pied-billed Grebe has a distinctive 'caow caow caow' call, while the Red-necked Grebe is known for its raucous calls during the breeding season.