As of today, out of season, returns ~March. Earth Exhibit tracks the live conditions and flags it the moment it is on.
Each spring tens to hundreds of thousands of snow geese stage on the Copper River Delta near Cordova before making a rapid northward migration.
On favorable days the birds take off in synchronized, thunderous waves called a blastoff, a dramatic wildlife spectacle driven by wind, daylight and weather front timing.
Where to see it
A taste of where to see it. The full map, exact coordinates and the best timing for each spot live in the app.
| Viewing spots |
|---|
| Eyak River Flats - City Dock Access |
| Copper River Delta - West Mudflats Viewing Road |
| + 1 more spot, with exact coordinates and timing, in the app → |
This is the short version
This page shows a taste. The app has the full list of where to see this, the exact timing, and live conditions for 1,000+ natural phenomena worldwide, so you know the moment one is genuinely worth the trip.