Piper Mackay / Two bull Northern elephant seals (Mirounga langustirostris) fighting in the waves, Pt Piedras Blancas, California, USA

Piper Mackay / Head portrait of Coyote (Canis latrans) yawning, Bolsa Chica wetlands, Huntington Beach, California, USA

Piper Mackay / Container freighter travelling through the Panama canal, Panama, November 2008

Piper Mackay / Toco toucan (Ramphastos toco) feeding, throwing nut into air to catch it in beak, Pantanal, Brazil.

Piper Mackay / Bobcat (Felis rufus) walking on edge of gravel track, San Joaquin Reserve, Irvine California, USA

Piper Mackay / Bobcat (Felis rufus) walking along track, licking lips, San Joaquin Reserve, Irvine California, USA

Piper Mackay / Head portrait of Bobcat (Felis rufus) San Joaquin Reserve, Irvine California, USA

Piper Mackay / Bobcat (Felis rufus) standing on track with back turned, San Joaquin Reserve, Irvine California, USA

Piper Mackay / Bobcat (Felis rufus) sitting, San Joaquin Reserve, Irvine California, USA

Piper Mackay / Head portrait of male Northern elephant seals (Mirounga langustirostris) Ana Nuevo State Reserve, California, USA

Piper Mackay / Two bull Northern elephant seals (Mirounga langustirostris) fighting in the waves, Pt Piedras Blancas, California, USA

Piper Mackay / Male Northern elephant seals (Mirounga langustirostris) in the waves, Pt Piedras Blancas, California, USA