First detected in the 1950s, an invasive snake has multiplied to more than 2 million on a US territory, wiping out native birds and surprisingly causing another species to boom to levels 40 times higher than on surrounding areas

The brown treesnake invasion in Guam has wreaked havoc on local ecosystems, decimating native bird populations and leading to a surge in spider numbers. With the absence of these birds, a new ecological disruption has emerged. Economically, this crisis costs millions annually in power outages, prompting significant government expenditure aimed at snake control.