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13 of the ugliest animals on the planet

By: Bryan Nelson on Sept. 3, 2010, 12:10 p.m.
Marabou stork

Photo: Tambako the Jaguar/Flickr

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Marabou stork

Would you want your newborn delivered by one of these sickly looking storks? Standing over 5 feet tall with a wingspan of more than 10 feet, these African birds are scavengers of large carrion, which is why they have featherless heads. They also eat other birds, and have even been known to consume flamingos.