Eurasian beavers (Castor fiber), captive in breeding programme, United Kingdom, Europe

Eurasian beaver (Castor fiber), captive in breeding programme, United Kingdom, Europe

Eurasian beaver (Castor fiber), captive in breeding programme, United Kingdom, Europe

Roan (Hippotragus equinus) with baby, Mlilwane Nature Reserve breeding programme, Swaziland, Africa

Common dormouse (Muscardinus avellanarius), torpid, in captive breeding programme, United Kingdom, Europe

Male Torgamba, hairy rhino (Sumatran rhino), near extinct as only 500 left, in captive breeding programme, Port Lympne Zoo, Kent, England, United Kingdom, Europe

Bull and friesian cow, Oxfordshire, The Cotswolds, United Kingdom

Bull and cows at farm gate, Hazleton, Gloucestershire, The Cotswolds, England, United Kingdom

Male Tormanga, hairy rhino (Sumatran rhino), near extinct as only 500 left, in captive breeding programme, Port Lympne Zoo, Kent, England, United Kingdom, Europe

Bull, Hazleton, The Cotswolds, Gloucestershire, England, United Kingdom

Free-range male calves at Sheepdrove Organic Farm, Lambourn, England

Bull contentedly grazing, Gloucestershire, The Cotswolds, England, United Kingdom