ABSECON, N.J. A Canada goose’s brain is smaller than its pile of droppings, but the ubiquitous bird is no dummy.There’s a thriving market of tools and services catered to scaring them away, including lasers and an armada of highly trained border collies that love chasing them. There are even decoys made in the likenesses of alligators, coyotes, and swans, a larger, distant cousin that can .