Gadwall
Gray body with fine black patterns.
| Scientific name | Anas strepera |
| English name | Gadwall |
| Japanese name | 丘葦鴨 |
| Classification | Aves |
| Classification details | Anseriformes Anatidae |
| Full length | 50cm |
| Distribution | Breeds in northern Eurasia. Comes to Japan as a winter bird. |
Characteristics
The male has a grey body with fine black patterns. Even in eclipse, the color is not flashy. The head is slightly brown and the beak is leaden.
The female is brown all over and has a yellow beak. It looks similar to female mallards, but can be distinguished by the wing speculum.
Both males and females have white wing speculum.
Ecology
They fly to rivers and lakes as winter birds. They live in small flocks and forage while swimming.
They seem to be more cautious than the Eastern Spot-billed Duck.
Habitat
Tama River midstream, Kamikawahara Dam
In winter, they fly to the pools of the Kamikawahara Dam. They form small groups and forage. They are very cautious and will fly away if you get too close and head upstream or downstream. They are often seen at Shukugawara Weir.
Pictures
Introducing a picture of Gadwall.
Picture book
Orbicular batfish
Juveniles camouflage on dead leaves.......ead more.
Grey-streaked Flycatcher
A dark brown vertical stripe runs down the belly.......ead more.
Tritoniopsis elegans
Finely branched white dorsal process.......ead more.
White-tailed eagle
Eagle with white tail feathers.......ead more.
Bufflehead
The structural color of the head is beautiful.......ead more.