Zaynagutdinova, Elmira, and Yuriy Mikhailov. “Great Crested Grebe (<em>Podiceps cristatus< Em>) Synchronies Egg Laying With Protective Species”. Biological Communications 64, no. 1 (May 24, 2019): 11–19. Accessed April 19, 2025. https://biocomm.spbu.ru/article/view/3870.