The marshy lowlands around the Ural and upper Tobol rivers, previously favoured as winter refuges, became increasingly important for survival.
Since the lake does not freeze in winter, it serves as a winter refuge for the birds.
They built a winter refuge in what is now the southeast quarter of section 1 of Pekin Township.
How did the caribou first find their winter refuge?
Aruba is the kid who opens the door for others - in this case hundreds of thousands of tourists a year who find winter refuge on its fine beaches.
With $3.50 draft beers and the occasional offering of free food like mussels, salads and pasta, the bar has become a low-key winter refuge.
In the winter of the same year, the Russian troops made Farther Pomerania their winter refuge.
Deep water in beaver ponds provides critical winter refuge from ice in small streams like Brown's Creek.
A tiny salamander, frightened out of its winter refuge in a crack of the wood.
At the end of summer, the swan family flies to the winter refuge, Red Rock Lakes in Montana.