This paper examines the practice and poetics of the British zoologist Hugh Cott's fieldwork in order to explore the hybrid nature of developments in biological and military camouflage. Specifically focusing on two fieldtrips conducted to the Amazon and the Zambesi, and examining how Cott communicated his scientific findings through photography and art, this paper reveals that the performance of scientific knowledge production is spatially contingent; born of embodied, creative and demanding experiences and through multiple human and nonhuman engagements. Finally, it examines how this knowledge was transferred and utilised to develop mid-twentieth military camouflage. The paper considers how the craft and aesthetics of fieldwork shapes how nature is observed, recorded and communicated as scientific knowledge and military technology.