Delhey, K.; Valcu, M.; Dale, J.; Kempenaers, B.: The evolution of carotenoid-based plumage colours in passerine birds. Journal of Animal Ecology 92 (1), S. 66 - 77 (2023)

Dzialo, M.; Bryła, A.; DeMoranville, K. J.; Carbeck, K. M.; Fatica, O.; Trost, L.; Pierce, B.; Sadowska, E. T.; McWilliams, S. R.; Bauchinger, U.: Concerted phenotypic flexibility of avian erythrocyte size and number in response to dietary anthocyanin supplementation. Frontiers in Zoology 20 (1), 9 (2023)

Eastwood, J. R.; Dupoué, A.; Delhey, K.; Verhulst, S.; Cockburn, A.; Peters, A.: When does early-life telomere length predict survival? A case study and meta-analysis. Molecular Ecology 32 (11), S. 3000 - 3013 (2023)

Eastwood, J. R.; Dupoué, A.; Verhulst, S.; Cockburn, A.; Peters, A.: Cool, dry nights and short heatwaves during growth result in longer telomeres in temperate songbird nestlings. Molecular Ecology 32 (19), S. 5382 - 5393 (2023)

Eberhart-Hertel, L. J.; Rodrigues, L. F.; Krietsch, J.; Eberhart-Hertel, A. G.; Cruz-López, M.; Vazquez-Rojas, K. A.; González-Medina, E.; Schroeder, J.; Küpper, C.: Egg size variation in the context of polyandry: A case study using long-term field data from snowy plovers. Evolution: International journal of organic evolution 77 (12), S. 2590 - 2605 (2023)

Farrar, B. G.; Vernouillet, A.; Garcia-Pelegrin, E.; Legg, E. W.; Brecht, K. F.; Lambert, P. J.; Elsherif, M.; Francis, S.; O'Neill, L.; Clayton, N. S. et al.; Ostojic, L.: Reporting and interpreting non-significant results in animal cognition research. PeerJ 11, e14963 (2023)

Goto, H.; de Framond, L.; Leitner, S.; Brumm, H.: Bursts of white noise trigger song in domestic Canaries. Journal of Ornithology 164 (4), S. 835 - 844 (2023)

Goymann, W.; Brumm, H.; Kappeler, P. M.: Biological sex is binary, even though there is a rainbow of sex roles. Denying biological sex is anthropocentric and promotes species chauvinism. Bioessays 45 (2), 2200173 (2023)

Kappeler, P. M.; Benhaiem, S.; Fichtel, C.; Fromhage, L.; Höner, O. P.; Jennions, M. D.; Kaiser, S.; Krüger, O.; Schneider, J. M.; Tuni, C. et al.; van Schaik, J.; Goymann, W.: Sex roles and sex ratios in animals. Biological Reviews 98 (2), S. 462 - 480 (2023)

Kreyer, M.; Behringer, V.; Deimel, C.; Fruth, B.: Neopterin levels in bonobos vary seasonally and reflect symptomatic respiratory infections. EcoHealth 20, S. 93 - 104 (2023)

Longarini, A.; Duriez, O.; Shepard, E.; Safi, K.; Wikelski, M.; Scacco, M.: Effect of harness design for tag attachment on the flight performance of five soaring species. BMC Movement Ecology 11, 39 (2023)

Mooney, A.; Teare, J. A.; Staerk, J.; Smeele, S. Q.; Rose, P.; Edell, R. H.; King, C. E.; Conrad, L.; Buckle, Y. M.: Flock size and structure influence reproductive success in four species of flamingo in 540 captive populations worldwide. Zoo Biology 42 (3), S. 343 - 356 (2023)

Nolazco, S.; Delhey, K.; Fan, M.; Hall, M. L.; Kingma, S. A.; Roast, M. J.; Teunissen, N.; Peters, A.: Which plumage patches provide information about condition and success in a female fairy-wren? Behavioral Ecology 34 (1), S. 50 - 62 (2023)

Osipova, E.; Barsacchi, R.; Brown, T.; Sadanandan, K. R.; Gaede, A. H.; Monte, A.; Jarrells, J.; Moebius, C.; Pippel, M.; Altshuler, D. L. et al.; Winkler, S.; Bickle, M.; Baldwin, M. W.; Hiller, M.: Loss of a gluconeogenic muscle enzyme contributed to adaptive metabolic traits in hummingbirds. Science 379 (6628), S. 185 - 190 (2023)

Pei, Y.; Forstmeier, W.; Knief, U.; Kempenaers, B.: Weak antagonistic fitness effects can maintain an inversion polymorphism. Molecular Ecology 32 (13), S. 3575 - 3585 (2023)

Robotka, H.; Thomas, L.; Yu, K.; Wood, W.; Elie, J.E.; Gahr, M.; Theunissen, F. E.: Sparse ensemble neural code for a complete vocal repertoire. Cell Reports 42 (2), 112034 (2023)

Santema, P.; Kempenaers, B.: Patterns of extra-territorial nest-box visits in a songbird suggest a role in extrapair mating. Behavioral Ecology 34 (1), S. 150 - 159 (2023)

Santema, P.; Kempenaers, B.: Experimentally advancing morning emergence time does not increase extra-pair siring success in blue tit males. Behavioral Ecology 34 (3), S. 346 - 353 (2023)

Scacco, M.; Arrondo, E.; Donázar, J. A.; Flack, A.; Sánchez‑Zapata, J. A.; Duriez, O.; Wikelski, M.; Safi, K.: The species‑specificity of energy landscapes for soaring birds, and its consequences for transferring suitability models across species. Landscape Ecology 38 (1), S. 239 - 252 (2023)

Schlicht, L.; Santema, P.; Kempenaers, B.: Start and end of daily activity predict extrapair siring success independently of age in male blue tits. Animal Behaviour 198, S. 21 - 31 (2023)