In the spirit of this year’s conference theme ‘changing perspectives’, this paper invites the CHI community to glance at interaction design through the lense of Animal-Computer Interaction (ACI). In particular, I argue that such a perspective could have at least three benefits: strengthening HCI as a discipline; broadening participation in Interaction Design; and supporting CHI’s commitment to sustainability. I make the case that, far from being a niche research area, ACI is directly relevant to and even encompasses HCI. Thus ACI research firmly belongs at CHI
