Snow geese travel in clouds. White birds with black wing tips — plus a 'blue' color morph that's slate-gray with a white head — they migrate in mixed flocks that can number in the tens of thousands and turn a Texas or Arkansas field into something that looks more like weather than wildlife.
The mid-continent light goose population grew so large by the 1990s that the breeding grounds in the Hudson Bay lowlands were being eaten down to bare mud — what biologists call 'eat-out.' The federal response was a Light Goose Conservation Order: in spring, after the regular season closes, hunters in many flyway states can use electronic calls, unplugged shotguns, and shoot extended hours to help drive harvest higher. Snow geese remain one of the few North American game birds managed under explicit population-reduction objectives rather than sustained-yield.
They're spookier than Canadas and harder to decoy. Big spreads — sometimes 1,000+ fabric 'sock' decoys — paired with rotaries and electronic callers under the Conservation Order are the standard for serious snow hunters.