Sigal's research interests are centered on evolutionary behavioural ecology with a special focus on sociality, breeding system evolution and anthropogenic impacts on behaviour. Sigal received her B.Sc. in Zoology from the University of Toronto, a Ph.D. from the University of Cambridge and conducted post-doctoral research at Tel Aviv University, the Konrad Lorenz Institute for Ethology in Vienna and the University of East Anglia in Norwich. Sigal joined the Department of Psychology, Neuroscience & Behaviour in 2000 and was granted tenure in 2006 and full professor status in 2011. She is also an associate member of the Department of Biology at McMaster University and is a member of the Animal Behaviour Society and the International Society for Behavioural Ecology.