6 pages matching million years ago in this book
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Alaska alcids Arctic foxes Arctic hares Arctic Ocean Baffin Bering Strait Beringia breeding Canada Canadian archipelago caribou cliffs climate close coast coastal cold cool divers diving eastern Siberia eggs Ellesmere Island environment Eskimos Eurasia feed fish forest forest-tundra fur seals geese glacial period grass Greenland grey ground guillemots gulls Harp seals herbivores herds Hooded seals Hudson Bay hunted ice age ice caps ice sheets Iceland insects Labrador lakes land latitudes lemmings lichens live mammals metres migrate million years ago mosses move musk-oxen nest North America North Atlantic Drift northern Europe northward numbers Pacific pack ice plankton polar basin polar bears polar regions predators prey reindeer rocks Scandinavia sea bed sea birds sea ice sea lions season shallow shore Siberia small mammals smaller snow soil southern species spread Subarctic summer surface waters Svalbard temperate temperatures tree line tundra vegetation voles waders walruses warm warmer weighing whales winter