Sven Zacek / Ural owl (Strix uralensis) fledgling on first day out of nest, perched in swamp forest amongst Hare's-tail cottongrass (Eriophorum vaginatum). Tartumaa, Southern Estonia. May.

SCOTLAND: The Big Picture / Harestail Cotton grass (Eriophorum vaginatum), Scotland, UK, May 2011.

Colin Monteath / Dawn light across tussock grass hills above Matukituki River and Black Peak and Mount Aspiring near Wanaka, Otago, New Zealand

Konrad Wothe / Rockhopper Penguin (Eudyptes chrysocome) chicks resting on tussock grass nest, Falkland Islands

Konrad Wothe / Rockhopper Penguin (Eudyptes chrysocome) sitting amid tussock grass, Falkland Islands

Sven Zacek / Wetlands landscapes with Tussock cottongrass (Eriophorum vaginatum) Sweden, Scandinavia

Sven Zacek / Wetlands and forest landscape with tussock grass, Sweden, Scandinavia, Summer.

Suzi Eszterhas / Antarctic Fur Seal (Arctocephalus gazella) 1 to 2 week old pup in tussock grass, Prion Island, South Georgia

Jan Vermeer / Hare's-tail Cottongrass or Sheathed Cottonsedge (Eriophorum vaginatum) in evening light, circumboreal species

Jan Vermeer / Hare's-tail Cottongrass or Sheathed Cottonsedge (Eriophorum vaginatum) in evening light, circumboreal species

Laurie Campbell / Hares-tail cotton grass (Eriophorum vaginatum) growing in Coire Loch, a peatbog lochan, in native Pine (Pinus sylvestris) forest, Glen Affric Forest National Nature Reserve, Inverness-shire, Scotland,...