Wild Wonders of Europe / Zupanc / False hellebores (Veratrum sp) Triglav National Park, Julian Alps, Slovenia, July 2009

Wild Wonders of Europe / Zupanc / False hellebore (Veratrum sp) growing amongst rocks, Triglav National Park, Julian Alps, Slovenia, July 2009

Tim Fitzharris / False Hellebore (Veratrum sp) surrounded pond with Grand Turk and Kendall Mountains in background, Molas Pass, Colorado

Tim Fitzharris / False Hellebore (Veratrum sp) with frost, Gothic, Colorado

Yva Momatiuk & John Eastcott / California False Hellebore (Veratrum californicum) frost-covered leaves, Payette River, Idaho

Tim Fitzharris / Fireweed (Chamerion angustifolium) flowering in dense brush, San Juan Mountains, Colorado

Ingo Arndt / Racka sheep herd {Ovis aries} rare breed from Hungary

Paul D Stewart / 'Martha' the last passenger pigeon, (Ectopistes migratorius), who died Cincinnati Zoo, September 1st, 1914. This portrait of her published in March 1915 as the Frontispiece to William Hornaday's 'The...

Kristel Richard / Wild Chincoteague (Equus caballus) two breeding stallions greeting one another, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / A herd of Retuerta mares trotting, Guadiamar scientific reserve, Donana National Park, Andalusia, Spain. This breed of horse was close to extinction in the 1990s with only 5 individuals left, but now...

Roland Seitre / Mauricio dos Santos with a captive bred Spix's macaw (Cyanopsitta spixii), critically endangered species, site of the first attempts to breed Spix's macaw after their extinction in the wild, Recife, P...

Nick Turner / Cotswolds Lion rare breed sheep (Ovis aries) and the village of Naunton at sunset, Gloucestershire, UK, June 2001.

Kristel Richard / A rare Sorraia stallion cantering, Coudelaria Nacional (National Stud Farm), in Alter do Chao, District of Portalegre, Alentejo, Portugal.

Kristel Richard / Portrait of a rare Sorria stallion, Reserva Natural do Cavalo do Sorraia, Alpiarca, District Santarem, Alentejo, Portugal.

Wild Wonders of Europe / della Ferrera / Slavonian Syrmian cattle (rare breed) in meadow between Krapje and Drenov Bok, Lonjsko Polje Nature Park, Sisack-Moslavina county, Slavonia region, Posavina area, Croatia, June 2009

Wild Wonders of Europe / della Ferrera / Slavonian Syrmian cattle (rare breed) in the meadows between Krapje and Drenov Bok, Lonjsko Polje Nature Park, Sisack-Moslavina county, Slavonia region, Posavina area, Croatia, June 2009

Dan Burton / Piglets suckling {Sus scrofa domestica} UK

John Cancalosi / Rare breed domestic Churro sheep, NM, USA.