Some deformities are the result of accidents, some are caused by DNA replication errors, and others by viral damage or exposure to mutagens such as chemicals or radiation. 

Deformities are everywhere, some are kind of cute and harmless but many are horrifying and cause suffering and premature death. Substances like Agent Orange, used in the Vietnam War, cause cancer and birth defects which affect people to this day, In the 1950s, pregnant women were given thalidomide as a morning sickness medication which resulted in thousands of miscarriages and approximately 10,000 children born with a range of birth defects. 

Anyway. here are 26 striking photos of animals with defects and deformities.