In 2023, he was nominated for a BAFTA for cinematography[1] for his work on the Netflix/Sky Nature co-production Predators.

[citation needed] Nicholls started taking pictures of wildlife when he was 12 years old.

[4] He has traveled across the United Kingdom, to Cambodia, Amazonia,[5] Nepal and to other locations as a photographer and wildlife documentary maker.

[7] In 2015, Prince Harry spent time in a wildlife hide with Nicholls[8][9] in search of red squirrels as part of a visit to learn about red squirrel conservation in the area.

Nicholls has been involved in red squirrel (Sciurus vulgaris) conservation for a number of years, as the species is endangered in the United Kingdom.