Ebbinge, Bartwolt S., et al. “Breeding Strategies of Dark-Bellied Brent Geese Branta B. Bernicla in a Lemming-Driven Ecosystem in Northern Siberia”. Wildfowl, vol. 75, Dec. 2025, pp. 32–62, https://tidsskrift.dk/Wildfowl/article/view/162734.