- 4.7–5.5 in
- 7.1–7.5 in
- 0.4–0.8 oz
- Bruant des marais (French)
- Gorrión pantanero (Spanish)
- The Swamp Sparrow has longer legs than other members of its genus; this adaptation allows it to wade in shallow water to forage.
- The Swamp Sparrow sometimes sticks its head under water to try to capture aquatic invertebrates.
Various wetlands, including freshwater and tidal marshes, bogs, meadows, and swamps.
Seeds, fruits, and aquatic invertebrates.
- Clutch Size
- 2–6 eggs
- Egg Description
- Bluish green with spots and blotches.
- Condition at Hatching
- Helpless with sparse dark brown down.
A bulky open cup of dry grasses, sedges, plant stalks, and leaves, lined with fine grass, plant fibers, and occasionally hair. Placed in dense cattails, grass, or shrubs; some on ground.
Feeds at water's edge, picking invertebrates from mud or surface of water.
Populations appear to have held stable or increased slightly between the late 1960s and early 1990s. Long-term prospects will depend on wetland conservation.
- Mowbray, T. B. 1998. Swamp Sparrow (Melospiza georgiana). In The Birds of North America, No. 279 (A. Poole and F. Gill, eds.). The Academy of Natural Sciences, Philadelphia, PA, and the American Ornithologists' Union, Washington, D.C.