| The Arctic's delicate tundra plants support Large populations of animals such as caribou and provide nesting habitat for huge numbers of birds. |
| The boom and bust cycle of the populations of small mammals is a phenomenon of the taiga and tundra regions of the north. |
| But up in the mountains there are not these extensive areas of lowland tundra where all the birds and the musk oxen can live. |
| With those big, savage eyes all wide and open, providing a glimpse of the wild tundra cats from whom she's descended. |
| I took them in and have given them a warm house to sleep in, lots to eat and long walks across the tundra. |
| They include tundra swans, arctic terns, northern fulmars, black guillemot, and various loons, ducks, geese, gulls, jaegers, and alcids. |
