In the last year alone, members have generated £5.4 million to help support our vital conservation work around the globe. To say thank you, we're giving all new membership 10% off until Saturday 25 October.
'Jewel of the Rocks' AKA Sally Lightfoot Crab (Grapsus grapsus)
Can you find the weird and the wonderful? Are you passionate wildlife photographer? If so, then you can now enter ZSL's 2015 Animal Photography Competition and have a shot at grabbing part of the £10,000 prize fund.