A zooologist travelled to Cuba to study lizards. To his surprise he discovered a strange new lizard near the capital. In fact in several places around the capital he saw members of this unexpected spieces. He took photographs and when he returned home to his university he excitedly showed colleagues his photographs of this previously unknown lizard.

His colleagues laughed and said, "Oh that! It's just the Havana Gila."

Sorry for the bad pun: I could not resist.