New Zealand is home to some incredible marine life, but there is a giant moving among us that you may not expect to see.
The past decade has seen an increase in the number of leatherback turtles feeding in our waters - but they are also in trouble.
Peter Langlands is a conservationist, freelance writer and photographer who wants greater protection for these titans of the sea.
He joins Anna Thomas from Canterbury, where he's taken a break from some other field work to speak to us.