A: Ground squirrels are the bane ... toxic bait is more effective. Use bait with diphacinone, which is a first-generation rodenticide. This type of poison requires multiple feedings in order ...

Since then, the ground squirrel population ... reintroducing bait in the past two years, the state banned most rodent poisons in that time, leaving the city with only one poison option to consider.

and don’t use baits that will kill other animals that might eat the deceased squirrel. To discourage population buildups, remove brush piles and debris where ground squirrels can hide from ...