Carol Walker / Aerial view of a wild palomino pinto stallion chasing his black mare on the windblown snow on Crooks Mountain, Wyoming, USA. March.
01741983
Carol Walker / A wild grey pinto stallion trotting over grassland, Green Mountain, Wyoming, USA. May.
01741976
Carol Walker / Wild Bay stallion leading his grey mare across grassland, Lost Creek, Wyoming, USA. July.
01741965
Andy Rouse / Three Lions (Panthera Leo) female, walking along track at sunset, Masai Mara, Kenya.
01741960
Andy Rouse / Three Lions (Panthera Leo) female, walking over grassland, Masai Mara, Kenya.
01737470
David Perpinan / Flathead grey mullet (Mugil cephalus) and Salema (Sarpa salpa) school swimming past the camera in the mouth of the Besos river. The fish enter and leave frame. Barcelona, Spain. October.
01737469
David Perpinan / Catalan chubs (Squalius laietanus) swimming around, showing interest in the camera. The fish enter and leave frame. Besos river, Barcelona, Spain. October.
01737468
David Perpinan / Catalan chubs (Squalius laietanus) enter frame, swim around and then leave frame. Besos river, Barcelona, Spain. October.
01737467
David Perpinan / Catalan chub (Squalius laietanus) shoal swimming around close to the riverbed. The fish enter and leave frame. Besos river, Barcelona, Spain. October.
01737466
David Perpinan / Common carps (Cyprinus carpio) enter frame, swim past the camera and then leave frame. Besos river, Barcelona, Spain. July.
01737465
David Perpinan / Common carps (Cyprinus carpio) swimming. The fish enter and leave the frame. Besos river, Barcelona, Spain. July.
01737464
David Perpinan / Flathead grey mullet (Mugil cephalus) school swimming in the mouth of the Besos river. One fish enters the frame and then feeds on algae which is covering a rock. Barcelona, Spain. October.
