Common Shelduck
Tadorna tadorna
The common shelduck resembles a small short-necked goose in size and shape. It is 55–65 cm long and with a wingspan of 100–120 cm, with a reddish-pink bill, pink feet, a white body with chestnut patches and a black belly, and a dark green head and neck. The wing coverts are white, the primary remiges black, and the secondaries black with a strong green iridescent reflection in good light (only showing in flight). The outer tertial feather is orange-brown, with the inner tertials white. The underwings are white, except for the flight feathers, which are black.
ID text from Wikipedia, CC BY-SA 4.0
Paradise Shelduck
Tadorna variegata
The paradise shelduck is a colourful, large-bodied species of duck that differs in features depending on the sex. Both females and males have chestnut-colour undertails, primarily black wing feathers with green secondary wing feathers, and upper wing surface feathers that are white. They have black legs and webbed feet for swimming. Paradise shelducks are the largest of the Tadorna species, measuring 63 to 71 cm (25 to 28 in) in length and between 1.09 and 2 kg (2.4 and 4.4 lb) in weight, averaging 1.72 kg (3.8 lb) in males and 1.29 kg (2. Voice: The vocal calls differ from male to female. The male belts a di-syllabic honk like a goose when in flight or when alarmed. The male gives off a deep zonk-zonk honk, while the female is characterised by a penetrating zeek-zeek.
ID text from Wikipedia, CC BY-SA 4.0
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