Brown Tree Snake Invasive Guam
The brown tree snake also known as the brown catsnake is an arboreal rear fanged colubrid snake native to eastern and northern coastal australia eastern indonesia papua new guinea and many islands in northwestern melanesia. It is about 1m long mostly dull brown but with a vivid yellow underbelly.
Brown Treesnake
Guam is home to an estimated 2 million of the reptiles which in some areas reach a density of 13000 per square mile more concentrated than even in the amazonian rainforests the government.
Brown tree snake invasive guam. From brown tree snakes to coconut rhinoceros beetles guam has seen a wave of invasive species that have impacted the islands ecosystem. The brown tree snake. This snake is infamous for being an invasive species responsible for extirpating the majority of the native bird population in guam.
The invasive brown tree snake has been responsible for islandwide power outages and the depletion of many of guams birds. Skip to main content. Photo by gordon rodda.
Military after world war ii gordon rodda us. Guams plague of snakes is devastating the whole island ecosystem even the trees in case youre unfamiliar with guams infamous snake problem the island is known for hosting an invasion of venomous brown snakes that have wreaked havoc on its native animal population. Fish and wildlife service.
Likely arrived in guam accidentally in imported cargo colvin et al. We are face to face with guams nemesis. Brown tree snake the cat eyes appearance is a distinguishing characteristic.
However its geographic range has expanded significantly and now includes guam saipan and other islands of the western pacific. Doi united states geological survey. The brown tree snake is native only to the islands immediately west of wallaces line and to new guinea and the northern and eastern coasts of australia.
A snake is entwined in the undergrowth. A species profile for brown tree snake from usda national invasive species information center. It is also one of the very few colubrids found in australia where elapids are more common.
The damage caused by invasive species to the island has become the focal point of efforts by agencies and organizations such as the guam invasive species council. The invasive brown tree snake brought to guam by the us.
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