Reptiles

Prevention of spread is paramount. It is much cheaper than intervention once a snake population is established.
Wetlands are transitional areas, sandwiched between permanently flooded deepwater environments and well-drained uplands, where the water table is usually at or near the surface or the land is covered by shallow water.
The American crocodile (Crocodylus acutus) lives in several places within the Americas, including Mexico, Central and South America, the Caribbean, and south Florida.
The brown tree snake is native to parts of Indonesia, the Solomon Islands, New Guinea, and Australia. The snake was first sighted on the island of Guam in the 1950s, probably after stowing away on cargo ships coming from New Guinea.