Chestnut Teal vs Harlequin Duck

Chestnut Teal

Anas castanea

Large624 gWetland

The chestnut teal is darker and a slightly bigger bird than the grey teal. The male has a distinctive green coloured head and mottled brown body. The female has a brown head and mottled brown body. The female is almost identical in appearance to the grey teal. The female chestnut teal has a loud penetrating "laughing" quack repeated rapidly nine times or more.

ID text from Wikipedia, CC BY-SA 4.0

Photo: Ron Knight from Seaford, East Sussex, United Kingdom · CC BY 2.0

Harlequin Duck

Histrionicus histrionicus

Large562 gMarine

Adult breeding males have a colorful and complex plumage pattern. The head and neck are dark slate blue with a large white crescent marking in front of the eye that extends up to the crest, a small round dot behind the eye, and a larger oval spot down the side of the neck. A black crown stripe runs over the top of the head, with chestnut patches on either side. A black-bordered white collar separates the head from the breast. The body is largely a lighter slate blue with chestnut sides. A black-bordered white bar divides the breast vertically from the sides.

ID text from Wikipedia, CC BY-SA 4.0

Photo: Jakub Hałun · CC BY 4.0

Photos and recordings are credited to their authors under the licence shown. Full profiles: Chestnut Teal and Harlequin Duck.