Birds
File:TADORNA CRISTATA SEARCH.jpg

Crested Shelduck

Crested Shelduck

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The Crested Shelduck (*Tadorna cristata*) is an enigmatic and possibly extinct species native to East Asia. Known from only a handful of specimens and unconfirmed sightings in the 20th century, it is one of the most mysterious waterfowl in the world.
Where to spot
The Crested Shelduck's historical range was believed to include southeastern Russia, North Korea, South Korea, Japan, and parts of China. If it still exists, it would be in extremely remote, undisturbed wetlands and forested areas within this region.
How to spot
Observation is highly unlikely due to its critically endangered or possibly extinct status. Any potential sighting would require extensive fieldwork in remote East Asian wetlands. Key identification features include a dark body, a white speculum (wing patch), and the distinctive dark green crest, often accompanied by a white patch on the wing coverts.
When to spot
The last confirmed sightings date back to the 1960s, and its existence today is unconfirmed. If observed, it would likely be during migration or breeding season (spring/summer) in its presumed historical range.
File:TADORNA CRISTATA SEARCH.jpg
File:Tadorna cristata (Kuroda, 1917) (Tori).jpg
File:Tadorna cristata Smit.jpg
File:TADORNA CRISTATA SEARCH.jpg
Credits: Wikimedia Commons
File:Tadorna cristata (Kuroda, 1917) (Tori).jpg
Credits: Wikimedia Commons
File:Tadorna cristata Smit.jpg
Credits: Wikimedia Commons
Its 'crested' name comes from the prominent dark green crest on the back of its head, a unique feature among shelducks.
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