Pennsylvania Reservoir Hosts Spectacular Snow Goose Migration

Thousands of snow geese descend on Middle Creek Wildlife Management Area each spring, drawing birdwatchers and conservation concerns.

Mar. 14, 2026 at 8:37am

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Each spring, thousands of snow geese migrate to the Middle Creek Wildlife Management Area in Kleinfeltersville, Pennsylvania, creating a breathtaking spectacle as they take flight from the reservoir. This annual event draws birdwatchers from across the region, but the growing snow goose population also presents complex conservation challenges.

Why it matters

The increasing numbers of snow geese at Middle Creek are a delight for bird enthusiasts, but their population growth is causing significant damage to their breeding grounds in the Canadian Arctic. Wildlife officials in the US and Canada are navigating a delicate balance, managing hunting regulations, addressing crop damage concerns, and monitoring shifts in migration patterns.

The details

The Pennsylvania reservoir was intentionally designed a half-century ago to attract waterfowl, and it has succeeded beyond expectations. Since the late 1990s, snow goose numbers have steadily increased, with approximately 100,000 roosting at Middle Creek on peak days. The area also attracts tundra swans and a diverse range of other bird species, with over 280 identified to date, including bald eagles, ospreys, and owls. However, the abundance of snow geese is causing significant damage to their breeding grounds in the Canadian Arctic, as the birds feed by pulling up plants by the roots, disrupting habitats not only for themselves but also for other wildlife.

  • The peak of the snow goose migration at Middle Creek is typically in March.
  • In December and January, the Pennsylvania Game Commission reported the removal of approximately 2,000 snow goose carcasses from a quarry near Bethlehem due to the circulation of avian influenza viruses among wild birds in the state.

The players

Middle Creek Wildlife Management Area

A Pennsylvania reservoir intentionally designed a half-century ago to attract waterfowl, which has succeeded beyond expectations.

Adrian Binns

A safari guide from Paoli, Pennsylvania, who visits Middle Creek for the 'enjoyment of seeing something you don't see every day.'

David M. Bird

A McGill University wildlife biology professor who describes the situation with the growing snow goose population as 'probably one of the biggest conservation problems facing wildlife biologists in North America today.'

Pennsylvania Game Commission

The wildlife agency that recently reported the removal of approximately 2,000 snow goose carcasses from a quarry near Bethlehem due to the circulation of avian influenza viruses among wild birds in the state.

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What they’re saying

“We must not let individuals continue to damage private property in San Francisco.”

— Robert Jenkins, San Francisco resident (San Francisco Chronicle)

“Fifty years is such an accomplishment in San Francisco, especially with the way the city has changed over the years.”

— Gordon Edgar, grocery employee (Instagram)

The takeaway

This case highlights the complex conservation challenges posed by the growing snow goose population, as their abundance is causing significant damage to their breeding grounds in the Canadian Arctic. Wildlife officials must navigate a delicate balance, managing hunting regulations, addressing crop damage concerns, and monitoring shifts in migration patterns to satisfy the varying perspectives of farmers, hunters, and animal rights advocates.