Hundred of thousands of waders ( shorebirds ), ducks, and geese use the area as a migration stopover or wintering site, and it is also rich habitat for gulls and terns.

It is an internationally important wintering site for waterfowl and wading birds.

It is an internationally important wintering site for waterfowl and wading birds, including the Barnacle Goose.

It provides an early wintering site for almost the entire Nearctic population of Pale-bellied Brent Geese.

The estuary is important as a breeding, roosting and wintering site for many waterfowl and other birds, including woodpeckers, Nightingale, Blackcap, Whitethroat, Sedge Warbler, Reed Warbler, European Wigeon, Common Shelduck, Northern Pintail, Common Teal, Dark-bellied Brent Goose, Grey Plover, Common Redshank, Eurasian Curlew, Dunlin and Black-tailed Godwit.

Blackmoorfoot Reservoir, at the top of Gilroyd Lane, is a wintering site for migrating wildfowl and wading birds.

Some birds may show high wintering site fidelity.

Birds wintering in west Africa were found to restrict their daily foraging to a range of just 2 – 16 km < sup > 2 </ sup > of intertidal area and roosted a single site for several months.

This location also is a Monarch butterfly wintering site.

After many years of uncertainty, the wintering grounds of much of the European population were finally discovered in Djoudj National Bird Sanctuary, Senegal, with between 5-10, 000 birds present at this single site.

Along with other rias in South West England, the Exe estuary is an important site for wintering waders.

Cape Geller () was the wintering site for two members of the 1899 Welle expedition waiting for the team's return from the pole.

It provides an early wintering site for almost the entire Nearctic population of Pale-bellied Brent Geese.

They show very high site fidelity for both their wintering and breeding areas, making use of the same sites year after year.

The wintering site at Poyang in China holds an estimated 98 % of the population and is threatened by hydrological changes caused by the Three Gorges Dam and other water development projects.

The site also qualified under Ramsar criterion 3 as it supports a large numbers of wintering waterfowl including internationally important populations of Whooper swan, Light-bellied Brent goose and bar-tailed godwit, as well as wildfowl species which are nationally important in an all-Ireland context, including red-throated diver, great crested grebe, mute Swan, Bewick ’ s Swan, greylag goose, shelduck, common teal, mallard, Eurasian wigeon, common eider, and red-breasted merganser.

Sambhar has been designated as a Ramsar site ( recognized wetland of international importance ) because the wetland is a key wintering area for tens of thousands of flamingos and other birds that migrate from northern Asia.

Newtown Cunningham is located close to Blanket Nook, a wetland area that is a wintering site for the rare Whooper Swan.

The site contains the inner part of the lough including areas of intertidal foreshore, consisting of mudflats and lagoons, and land, both reclaimed and being reclaimed, which form important feeding / roosting sites for significant numbers of wintering waders and wildfowl.

The White-eyed River Martin is known only from its wintering site at Bueng Boraphet lake in Thailand, where it was seen between the months of November and February.

Based on its only known wintering site, the non-breeding habitat of the White-eyed is assumed to be in the vicinity of open fresh water for feeding, with reed-beds for the night-time roost.

One factor that reduces the chances of re-discovering the White-eyed Martin is the drastic decline in the numbers of swallows wintering at Bueng Boraphet, its only known site, from the hundreds of thousands reported around 1970 to maximum counts of 8, 000 made in the winter of 1980 – 1981.

The site is locally important for wintering wildfowl, with Wigeon, Shoveler and Teal.

After an initial period of organization and fundraising, the museum acquired a large site in Baraboo that included the former wintering grounds of the Ringling Brothers Circus.

For juvenile eagles, wintering eagles or eagles that have failed to breed, being able to carry off prey is less important than it is for those who are nesting and such birds are more likely to take large prey that can be left and returned to repeatedly feed on.

For example, the pink-footed goose migrates from Iceland to Britain and neighbouring countries, whilst the Dark-Eyed Junco migrates from subarctic and arctic climates to the contiguous United States and the American Goldfinch from taiga to wintering grounds extending from the American South northwestward to Western Oregon.

In the early 1950s it was estimated that there were 225, 000 Canvasbacks wintering in the Chesapeake Bay ; this represented one-half of the entire North American population.

It is also the most important wintering area for ducks and the largest remaining tract of contiguous bottomland hardwood forest on the North American continent.

It is a migrant, wintering at sea in the Atlantic Ocean and regularly reaching North American waters.

Wildfires often attract foraging Swainson's Hawks, especially grass fires in their South American wintering range.

It is closely related to other thrushes such as the American Robin and is widely distributed across North America, wintering in Central America and southern Mexico.

Along with many other species, this thrush faces threats both to its North American breeding grounds and Central American wintering grounds.

This species is resident in southern Florida and the tropics, but most American birds are migratory, wintering south to Argentina.

Golden-crowned Kinglet is a widespread North American bird, breeding in many US states, and over much of Canada, and wintering across much of the continent south to Florida, Texas and Mexico.

The American Bird Conservancy ( ABC ) is working with its Colombian partner, Fundación ProAves, to protect wintering habitat for Cerulean Warblers and other migrating songbirds.

The valley of the river became increasingly used as a wintering ground for American trappers in the next decades, with trading posts established at the mouth of the White near Whiterocks, Utah, and Browns Park.

With all hives a dry, sunny location for wintering combined with good ventilation appears to reduce the incidence of nosema while regular culling of dark comb after two year's use appears to eliminate American foul brood.

A fourth form ( known variously as Gray Brant, Intermediate Brant or Grey-bellied Brant Goose ) has been proposed, although no formal subspecies description has been made as yet, for a population of birds breeding in central Arctic Canada ( mainly Melville Island ), and wintering in the Puget Sound on the American west coast around the U. S ./ Canada border.

NPPD maintains a roost and perch tree protection program for eagles and, during the winter months, bird watchers can observe numerous wintering American Bald Eagles.

This species is easily distinguished from wintering Common Yellowthroat by its uniform yellow underparts, whereas the North American bird has a white belly.

The expedition was wintering at Fort Clatsop, roughly 20 miles to the north near the mouth of the Columbia River.

Drouillard proved to be the most skillful hunter on the expedition, notably during the harsh wintering in Fort Clatsop.

In 1932, a Soviet expedition led by Professor Otto Yulievich Schmidt was the first to sail all the way from Arkhangelsk to the Bering Strait in the same summer without wintering en route.

After wintering in Tallahassee, the De Soto expedition set out on a