Two young lion siblings play-fight. The male - thought to be just 15 months old as his mane is only just becoming visible - was winding up his sister in the Amboseli National Park in Kenya. The cubs are part of a larger group of 20 lions, known as the Serena pride, and they enjoy resting under palms trees when the weather is at its hottest, but are more active during early mornings. Stuart Porter, a 47 year old wildlife photographer who is based in Tasmania, Australia, said: "Play-fighting is practice to allow them to become good hunters in the future. SEE OUR COPY FOR DETAILS. Please byline: Stuart Porter/Solent News ? Stuart Porter/Solent News & Photo Agency UK +44 (0) 2380 458800