Donald M. Jones / Bighorn Sheep (Ovis canadensis) ewes and lambs grazing, western Canada

Ernie Janes,Ernie Janes / Lambs in meadow in spring, UK, April

Ernie Janes / Spring lambs in meadow, UK, April

Gerrit Vyn / Dall sheep (Ovis dalli) yearling lamb running across alpine tundra, Denali National Park, Alaska, USA

Brent Stephenson / Domestic Sheep (Ovis aries) ewe and two lambs, probably Romney x Perendale. Unshorn. Cape Kidnappers, Hawkes Bay, New Zealand, September.

Diane McAllister / Female Rocky Mountain bighorn sheep ewe (Ovis canadensis canadensis) warning her newborn lamb that a rocky ledge is too close and dangerous. She places her front hoof on the baby's back, stopping it f...

Juan Carlos Munoz / Sheep (Ovis aries) and lambs in a pasture. Sierra de Andujar Natural Park, Jaen, Andalusia, Spain, April 2010

Ernie Janes / Domestic sheep, ewe with two lambs, running, Norfolk, UK, March

Ernie Janes / Domestic sheep, lambs playing in field, Goosehill Farm, Buckinghamshire, UK, April 2005

Ernie Janes / Domestic sheep, lambs playing in a field, Norfolk, UK, March

Wild Wonders of Europe / Geidemark / Shepherd carrying two lambs with a sheep following, Lake Prespa National Park, Albania, June 2009

Juan Carlos Munoz / Shetland sheep lambs on coastal land, Hermaness Nature Reserve, Unst Island, Shetland Islands, Scotland, UK