Press Release

Fort Boise WMA's march madness is a massive waterfowl migration

Snow geese flock to the Wildlife Management Area by the tens of thousands

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Snow geese, Fort Boise Wildlife Management Area, southwest region, waterfowl
Creative Commons Licence
Photo by Roger Phillips/Idaho Fish and Game

Sometimes it’s a distant cackling sound that’s your first sign snow geese are arriving, or it may be the tell-tale, V-shaped flocks high in the sky. Regardless, it means a feathered fireworks display is about to start at Fort Boise Wildlife Management Area near Parma. 

The 1,630-acre WMA is owned and operated by Idaho Fish and Game and funded by hunters, who flock to the area during fall and winter for waterfowl and upland game bird hunting. But starting in late February, visitors come armed with cameras and binoculars instead of shotguns to witness one of the most massive wildlife migrations in southwest Idaho. 

“This is our main time of year for wildlife watching,” said F&G’s WMA manager Tyler Archibald.

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Snow geese flock, Southwest region, waterfowl, snow goose
Creative Commons Licence
Photo by Roger Phillips/Idaho Fish and Game

Up to 60,000 snow geese, white-fronted geese and other waterfowl use the WMA as a stop over on their northern flights. The birds typically leave warmer climes ranging from Baja Mexico to northern California and follow the snow line north. With southwest Idaho sitting at the base of Central Idaho’s snow-packed mountains, the birds rest and wait for about six weeks before continuing north and heading as far as Siberia. 

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snow geese, pond, Roswell Marsh, Southwest Region
Creative Commons Licence
Photo by Roger Phillips/Idaho Fish and Game

The massive flocks operate on a fairly reliable schedule, leaving the WMA at sunrise to fly to nearby fields to feed. By mid morning, they return in waves and land on ponds at the WMA. Their arrival is a cross between an ariel ballet and a dog fight as thousands of geese spiral out of the sky in a chaotic mass. The excitement is accompanied by a soundtrack that seems too crazy-loud and frenetic to be coming from birds. 

Betty Rogers of Kuna witnessed the spectacle in years past and returned in March to see it again.

“The first time I saw a large bird migration was here,” Rogers said, “and I just had tears in my eyes because there were just waves and waves of geese.”

This year, wildlife watchers will literally get a step up on the birds thanks to an elevated viewing platform that puts people 15 feet off the ground and provides an unimpeded view of the adjacent ponds, some of which are blocked by dikes when viewed at ground level. 

“This is the first snow goose viewing season that it’s been up,” Archibald said. “And we have a bunch of people using it.” 

Among them was Bill McGinnis of Eagle, who visited the WMA in March to watch and photograph geese. 

“This is a really cool thing,” McGinnis said. “Now you can get eye-level shots.” 

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Wildlife viewing platform, Fort Boise Wildlife Management Area
Creative Commons Licence
Photo by Roger Phillips/Idaho Fish and Game

The $20,000 viewing platform was constructed through a partnership between the Idaho Department of Fish and Game, the Idaho Fish and Wildlife Foundation, Golden Eagle Audubon Society and Southwestern Idaho Birders Association. 

Due to the popularity of the platform, there may be more people than room to stand in it, especially on weekends. 

Archibald said etiquette is to take turns in the platform, and don’t worry, there are other places to see the flocks landing. But visitors should note that much of the interior of the WMA is closed from February 1 through July 31 to protect nesting birds. 

People interested in watching the large bird migration, especially the huge flocks of snow geese, also shouldn’t wait too long. The birds operate on their own schedule, but they’re usually continuing north by early April, and the ponds can quickly go from brimming with snow geese to void of them. 

“It’s sudden,” Archibald said. “When they decide to go, they’re gone.”