Man, some cyclists are just a litany of complaints! The GEESE are a problem! I deal with them pretty much daily on my bike path and find them better mannered and move out of the way faster than most of the humans who use the bike path. They've learned over time to cling to the edges of the path but yes, occasionally, just like some joggers and peds on the path will wander across without looking.

Solution: slow down and go around them.

And hissing does work- they don't pay any attention to bells or the human voice.

But if you don't like nature get off the bike path and back on the roads with the cars and trucks.

On my bike path I deal daily with suicidal rabbits, clueless geese, scampering rats, directionally challenged squirrels and earlier this year swooped by an owl. I LOVE it! Makes for good stories and sure beats the traffic on the road.