An alien?

Unknown Brazilian skeleton

from: http://www.ufoinfo.com/news/strangephotos.shtml

A weird one

Popeye?

from: http://www.findingdulcinea.com/features/multi-day/sitings/15-weekly-feature/The-Weirdest-Creatures-on-Earth.html

Fishes with feet!

Ambystoma mexicanum (Axolotl)

From: http://bio.research.ucsc.edu/~barrylab/classes/herps/Classwebpages/April/web%20page/Amexicanum.html

One-eye cat!

A Cyclop feline!

From: http://www.flickr.com/photos/fyinewsgroup/120354197/

Long-legged Wow!

Chick with front and hind legs?

From: http://www.smithappens.com/animals.html

Python Show-off!

Swallows twice!

From: http://oddanimals.com/deformedanimals/twoheadedpython.html

Great leaper?

A 7-legged frog!

From: http://www.2loop.com/deformedanimals.html

Amazing Siamese!

From: http://english.pravda.ru/topic/deformities-14