Bull tethered with nose ring and chain in with herd of cows in County Clare, West of Ireland

Brown Herefordshire bull and fresian cow in mating process in meadow in Gloucestershire

Male Frigate bird with inflated pouch, Galapagos Islands, Ecuador

Female pheasant perched in tree, The Cotswolds, Oxfordshire, United Kingdom

Male Impala with curved horns chasing and scenting a female, Grumeti, Tanzania

Bull and cows in meadow near Easedale in the Lake District National Park, Cumbria, UK