Gadwall vs Marbled Murrelet

The Gadwall and Marbled Murrelet are distinct in both appearance and habitat. Gadwalls are dabbling ducks found in freshwater habitats, while Marbled Murrelets are small seabirds nesting in coastal forests and foraging at sea. Key differences include the Gadwall's duck-like shape and the Marbled Murrelet's compact, auk-like form.

1. Location: Gadwalls are found in freshwater habitats; Marbled Murrelets are coastal. 2. Shape: Gadwalls have a classic duck shape; Marbled Murrelets are more compact and auk-like. 3. Flight: Look for the Gadwall's white speculum in flight; Marbled Murrelets have rapid, direct flight patterns. 4. Behavior: Gadwalls dabble; Marbled Murrelets are often seen flying over water or nesting in trees.

Gadwalls are larger, typical of ducks, while Marbled Murrelets are smaller and more compact, resembling other alcids.

Gadwalls have a subtle, mottled gray and brown plumage with a distinctive white speculum visible in flight. Marbled Murrelets have a darker, marbled plumage with a white underbelly, more suited to their coastal environment.

Gadwalls dabble in shallow waters, often seen in pairs or small groups. Marbled Murrelets are more solitary, often seen flying swiftly over the ocean or nesting in trees.

Gadwalls inhabit freshwater wetlands, ponds, and marshes. Marbled Murrelets are found in coastal marine environments and nest in old-growth forests.

Gadwalls have a typical duck-like quack, while Marbled Murrelets produce high-pitched, rapid calls, often heard during flight.