Peter Marsack trained as a zoologist but has also worked extensively as a natural history artist and illustrator. He was an artist for the multi-volume Handbook of Australian, New Zealand and Antarctic Birds (OUP), and a prize-winner in the inaugural Waterhouse Natural History Art Prize. His collaboration with Canberra naturalist Ian Fraser on A Bush Capital Year (CSIRO Publishing 2011) was awarded a Whitley Certificate for regional natural history.