Hot answers tagged ornithology
It's an anhinga, as@kmm commented. There's nothing wrong with it; it's not deformed in any visible (to me) way. They spread their wings to dry, as they are ddarting birds that do not float on the surface of the water, but beneath it. Here's one drying itself on a turtle.
I think this is an Egyptian Goose (Alopochen aegyptiacus), see the image (First from the Wikipedia article, the second from here, interestingly taken in Irvine): You can see the distinctive spot around the eye and also the colored feathers on the back. Also, this bird is too big to be a duck.
You almost certainly mean the Tristan Thrush, Turdus eremita, which is endemic to Tristan da Cunha. The species is considered to be an opportunistic omnivorous scavenger, but their diet includes the eggs and chicks of many seabird species, as well as the adults of some smaller seabird species. The Wikipedia page for the species mentions that Tristan Thrush ...
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