Vienna Zoo marks first International Chameleon Day

Critically endangered chameleon has babies at zoo in Austria

Rescued rare chameleons smuggled into Austria inspire new centre at country's zoo (3)

Rescued rare chameleons smuggled into Austria inspire new centre at country's zoo (2)

Rescued rare chameleons smuggled into Austria inspire new centre at country's zoo

Pet chameleon chases and attacks mop while owner cleans

Rare chameleons that were smuggled onboard flight to Africa in socks now re-homed and breeding at zo