“Cane toads were introduced to Australia in 1935 to control cane beetles and other pests but their population exploded ”
Let’s be clear here. The Aussies had a problem with beetles. Someone determined these toads would eat the beetles. It turns out the toads are nocturnal and the beetles are diurnal. Now they have billions of gigantic toads and not one beetle has been eaten. This is how government bureaucrats work.
Well, to be fair, are the toads eating any rodents?
They did the same thing with the Columbia River. Some genius introduced the Northern Pike Minnow to eat the native Lamp Rey because the Lamp Rey would eat the salmon and steelhead roe and smolts.
After nearly wiping out the Lamp Rey, the Nothern Pike Minnow was left with the salmon and steelhead roe and smolts to eat.
So, the Fish & Game placed a $3/head bounty on them, and several people make a full-time living fishing for them.
In the meantime, the marine mammal protection act has resulted in thousands of sea lion and seals congregating at the mouth of the Columbia to gorge themselves on salmon and steelhead, some even make their way up the river to the Bonneville Dam to lay in wait and catch their fish at the narrow openings of the fish ladder.