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Snow Goose

Snow Geese Migrating

11-10-17 final snow geese2 049A7452The eastern population of Snow Geese, one of the most abundant species of waterfowl in the world, migrate in very large flocks from their high Arctic breeding grounds to their wintering grounds along the Atlantic coast during October and November. Their migration is characterized as a combination of long stopovers with rapid and distant flights between areas. Birds from the same breeding population use many of the same stopovers sites, or staging areas where they rest and refuel, each year. Here they forage and eat the stems, seeds, leaves, tubers and roots of grasses, sedges, rushes in addition to waste grains such as wheat and corn in fields where crops have been cut.

Most of the eastern Snow Geese stage on the St. Lawrence estuary and many then migrate over Lake Champlain and fly southward along the Hudson River to their wintering grounds along the east coast, where the highest numbers occur along the shore of Delaware Bay. Those of us lucky enough to live near a staging area keep our ears tuned this time of year for the sound of baying hounds, for that is what an approaching flock of thousands of Snow Geese sounds like. (Photo taken at Dead Creek Wildlife Management Area, Addison, VT)

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Snow Geese Resting & Feeding on Staging Areas As They Migrate North

3-28-`7 snow geese090Most of the U.S.’s eastern population of Snow Geese has been wintering along Atlantic Coast from Massachusetts to South Carolina, and will breed in the subarctic and arctic tundra near the coast.   These Snow Geese depart North Carolina and Virginia for Delaware Bay mid- to late February. After resting and refueling at Delaware Bay, they depart and migrate through western Connecticut, the Hudson River, and Lake Champlain throughout March and early April, stopping to rest and refuel along the way at various locations (referred to as staging areas).  Most Snow Geese arrive at their Arctic breeding grounds by mid- to late May.

During spring migration, flocks of family groups and individuals migrate both day and night.  These flocks consist of anywhere from 35 to 400 birds. Many factors influence the timing and duration of spring migration from year to year, including inconsistencies of weather and the availability of food at stopover sites and on breeding grounds. Snow Geese tend to migrate with southerly or southwesterly winds, high temperature, falling pressure, low humidity, good visibility, and no precipitation. Their northerly progress is closely related to the disappearance of ice and snow – they can feed only after both have melted and perennial vegetation is exposed.

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Snow Geese Migrating

10-22-14 snow geese IMG_4105Snow Goose migration peaks from mid- to late October, as they travel from their breeding grounds on the western shores of Greenland and most of the eastern Canadian Arctic down the St. Lawrence Seaway to their coastal wintering areas (from Massachusetts down into North and South Carolina). In years past, the Dead Creek WMA, a 3,000 acre waterfowl refuge at the southern end of Lake Champlain in Vermont, used to be a primary staging area, where thousands of Snow Geese would stop and refuel in agricultural corn and grain fields on their way south. The sky would literally turn white with landing geese. Unfortunately for Vermonters, while some Snow Geese still stop over at Dead Creek, many now migrate further west, down through New York state, where apparently there is a more abundant supply of grain to feed on along the way.

Naturally Curious is supported by donations. If you choose to contribute, you may go to http://www.naturallycuriouswithmaryholland.wordpress.com and click on the yellow “donate” button.