Home News Archive - MPI for Ornithology Does parenting hamper the sex life of male black coucals? Publications of Vitali Razumov All genres Journal Article (1) Journal Article (1) 2025 Journal Article Rohr‑Bender, V. A.; Kupan, K.; Lopez-Nava, G.; Forstmeier, W.; Hertel, A.; Razumov, V.; Martin, K.; Kempenaers, B.; Küpper, C.: Sex and morph variation in activity from early ontogeny to maturity in ruffs (Calidris pugnax). Ethology 131 (3), e13543 (2025) MPG.PuRe DOI