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Australasian Crested Grebe passing feather to its young for digestion

Australasian Crested Grebes are known to eat feathers, which can fill up to 50% of its stomach!
It is believed that feathers are swallowed to prevent bones from passing, or to deal with gastric parasites.

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Filename: Australasian Crested Grebe 25_C9A8149.jpg
Copyright: Kimball Chen
Image Size: 4383x2922 / 6.6MB; www.keaphotography.org; feather chick baby crested grebe grebe Australasian crested grebe Lake Wanaka Wanaka New Zealand water lake bird crest Great Crested Grebe
Contained in galleries: Conservation & Nature NZ, Australasian Crested Grebe Pictures - Photos, Great Crested Grebe Pictures - Photos

Australasian Crested Grebes are known to eat feathers, which can fill up to 50% of its stomach!<br />
It is believed that feathers are swallowed to prevent bones from passing, or to deal with gastric parasites.