Firth, J. A., Voelkl, B., Crates, R. A., Aplin, L. M., Biro, D., Croft, D. P., et al. (2017).
Wild birds respond to flockmate loss by increasing their social network associations to others. Proceedings
of the Royal Society B: Biological Sciences, 284(1854): 20170299. doi:10.1098/rspb.2017.0299.