Heldbjerg, H., A. D. Fox, T. J. S. Balsby, and P. V. Thellesen. “Night-Brooding Behaviour in Provisioning Cavity-Nesting Birds Is a Trade-off Between Adult Predation Risk and Nestling Thermoregulation Needs”. 2022. Ornis Fennica, vol. 99, no. 1, June 2022, pp. 26-36, doi:10.51812/of.117871.