American Black Duck vs Ruddy Shelduck
Two species side by side. The larger value in each row is highlighted.
vs
Size
American Black Duck
0.61 m
Human
1.75 m
Ruddy Shelduck
0.7 m
| American Black Duck | Ruddy Shelduck | |
|---|---|---|
| Weight | 0.72–1.6 kg | 0.9–1.6 kg |
| Length | 54–61 cm | 58–70 cm |
| Wingspan | 88–95 cm | 1.1–1.35 m |
| Top Speed | 72 km/h | 80 km/h |
| Lifespan | 5–26 yrs | 8–15 yrs |
| Incubation | 26 days | 28 days |
| Offspring | 6–12 | 6–12 |
| Diet | Omnivore | Omnivore |
| Conservation Status | Least Concern | Least Concern |
| Activity Pattern | Diurnal | Diurnal |
| Migration | Partial Migrant | Migratory |
| Habitat | Wetland, Coast, River, Lake, Forest | Wetland, Lake, River, Grassland, Mountain |
| Regions | North America | Europe, Africa, Asia |
| Family | Anatidae | Anatidae |
| Order | Anseriformes | Anseriformes |