From polar bears in the Arctic to diving with leopard seals in the Antarctic, award-winning photographer and wildlife filmmaker Sue Flood shares her top tips for capturing the best wildlife images.
'The power of the matriarch' by David Lloyd, New Zealand/UK © David Lloyd
'Arctic treasure' by Sergey Gorshkov, Russia © Sergey Gorshkov
'Saguaro twist' by Jack Dykinga, USA © Jack Dykinga
'Toad with attitude' by Jaime Culebras, Spain © Jaime Culebras
'Sewage surfer' by Justin Hofman, USA © Justin Hofman
'Anticipation' by Marco Urso, Italy © Marco Urso
Header image: 'Toad with attitude' by Jaime Culebras, Spain © Jaime Culebras