Florida could be overrun by disturbing-looking "penis snakes" that may have slithered their way in from the Amazon. Caecilians can grow up to five feet long and DNA analysts believe the first one ...

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THE US faces being overrun by strange-looking “penis snakes” that appear to have slithered up from the Amazon. Caecilians can grow up to 32 inches long and one was found in a Miami canal in November ...

Scientists are revealing how the Amazon tree boa's skin scales help it move and hunt in the rainforest. These scales have different textures on different body parts. This helps the snake grip branches ...