Krystal Paco reports, in Guam News:
It’s a bird, it’s a plane, no it’s dead mice baits filled with acetaminophen being dropped from helicopters.
As today marked the fourth mice drop atop forested areas of Anderson Airforce Base since September, U.S. Department of Agriculture assistant state director supervisory wildlife biologist Dan Vice explains the process that’s already proving successful at controlling the local brown tree snake population…. And today, 2,000 dead mice baits were dropped. Each filled with 80 mg of acetaminophen attached to two pieces of cardboard and green tissue….
For the history of this, see “Why dead mice need parachutes in the forest“, which begins:
If you’re going to lace dead mice with poison, and drop them from helicopters into a rainforest in Guam in such a way that they become entangled high in the trees where they might murder the brown tree snakes, but you want to avoid (as much as possible) having the toxically tasty mouse corpses fall all the way to the ground, where they could instead get gobbled by coconut crabs, perhaps you should graft them on to something like a parachute.…
(Thanks to investigator Joanne Manaster for bringing this to our attention.)