Caption: Lioness (Panthera leo) turns and snarls at male lion after he dismounts at the end of a mating session, Mashatu Game Reserve, Tuli Block, Botswana. © Scotch Macaskill

Camera: Canon EOS 400D (Digital Rebel XTi); Lens: Canon 70-300 F4-5.6 IS USM; Focal Length: 95mm; Shutter speed: 1/1250; Aperture: f5.6; ISO: 400.