Smith, M. L.; Napp, N.; Petersen, K. H.: Imperfect comb construction reveals the architectural abilities of honeybees. Proceedings of the National Academy of Sciences of the United States of America 118 (31), e2103605118 (2021)

Snell, K. R. S.; Frederiksen, M.; Bregnballe, T.: Differential spatial migration programmes are both sex and age specific for migratory great cormorants. Journal of Ornithology 162, S. 1075 - 1085 (2021)

Steele, M. P.; Neaves, L. E.; Klump, B. C.; St Clair, J. J. H.; Fernandes, J.; Hequet, V.; Shaw, P.; Hollingsworth, P. M.; Rutz, C.: DNA barcoding identifies cryptic animal tool materials. Proceedings of the National Academy of Sciences of the United States of America 118 (29), e2020699118 (2021)

Surbeck, M.; Girard-Buttoz, C.; Samuni, L.; Boesch, C.; Fruth, B.; Crockford, C.; Wittig, R. M.; Hohmann, G.: Attractiveness of female sexual signaling predicts differences in female grouping patterns between bonobos and chimpanzees. Communications Biology 4 (1), 1119 (2021)

Tella, J. L.; Romero-Vidal, P.; Dénes, F. V.; Hiraldo, F.; Toledo, B.; Rossetto, F.; Blanco, G.; Hernandez-Brito, D.; Pacifico, E.; Diaz-Luque, J. A. et al.; Rojas, A.; Bermudez-Cavero, A.; Luna, A.; Barbosa, J. M.; Carrete, M.: Roadside car surveys: Methodological constraints and solutions for estimating parrot abundances across the world. Diversity 13 (7), 300 (2021)

Thorup, K.; Pedersen, L.; da Fonseca, R. R.; Naimi, B.; Nogués-Bravo, D.; Krapp, M.; Manica, A.; Willemoes, M.; Sjöberg, S.; Feng, S. H. et al.; Chen, G. J.; Rey-Iglesia, A.; Campos, P. F.; Beyer, R.; Araújo, M. B.; Hansen, A. J.; Zhang, G. J.; Tottrup, A. P.; Rahbek, C.: Response of an Afro-Palearctic bird migrant to glaciation cycles. PNAS 118 (52), e2023836118 (2021)

Twining, C. W.; Bernhardt, J. R.; Derry, A. M.; Hudson, C. M.; Ishikawa, A.; Kabeya, N.; Kainz, M. J.; Kitano, J.; Kowarik, C.; Ladd, S. N. et al.; Leal, M. C.; Scharnweber, K.; Shipley, J. R.; Matthews, B.: The evolutionary ecology of fatty-acid variation: Implications for consumer adaptation and diversification. Ecology Letters 24 (8), S. 1709 - 1731 (2021)

Twining, C. W.; Parmar, T. P.; Mathieu-Resuge, M.; Kainz, M. J.; Shipley, J. R.; Martin-Creuzburg, D.: Use of fatty acids from aquatic prey varies with foraging strategy. Frontiers in Ecology and Evolution 9, 735350 (2021)

Vining, A. Q.; Nunn, C. L.; Samson, D. R.: Enriched sleep environments lengthen lemur sleep duration. PLOS ONE 16 (11), e0253251 (2021)

Wall, J.; Wittemyer, G.; Klinkenberg, B.; LeMay, V.; Blake, S.; Strindberg, S.; Henley, M.; Vollrath, F.; Maisels, F.; Ferwerda, J. et al.; Douglas-Hamilton, I.: Human footprint and protected areas shape elephant range across Africa. Current Biology 31 (11), S. 2437 - 2445 (2021)

Wikelski, M.; Quetting, M.; Cheng, Y.; Fiedler, W.; Flack, A.; Gagliardo, A.; Salas, R.; Zannoni, N.; Williams, J.: Smell of green leaf volatiles attracts white storks to freshly cut meadows. Scientific Reports 11 (1), 12912 (2021)

Williams, H. J.; Safi, K.: Certainty and integration of options in animal movement. Trends in Ecology and Evolution 36 (11), S. 990 - 999 (2021)

Williams, H. J.; Shipley, J. R.; Rutz, C.; Wikelski, M.; Wilkes, M.; Hawkes, L. A.: Future trends in measuring physiology in free-living animals. Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences 376 (1831), 20200230 (2021)

Wilson, R. P.; Rose, K. A.; Gunner, R.; Holton, M. D.; Marks, N. J.; Bennett, N. C.; Bell, S. H.; Twining, J. P.; Hesketh, J.; Duarte, C. M. et al.; Bezodis, N.; Jezek, M.; Painter, M.; Silovsky, V.; Crofoot, M. C.; Harel, R.; Arnould, J. P. Y.; Allan, B. M.; Whisson, D. A.; Alagaili, A.; Scantlebury, D. M.: Animal lifestyle affects acceptable mass limits for attached tags. Proceedings of the Royal Society B: Biological Sciences 288 (1961), 20212005 (2021)

Zahn, M. J.; Laidre, K. L.; Stilz, P.; Rasmussen, M. H.; Koblitz, J. C.: Vertical sonar beam width and scanning behavior of wild belugas (Delphinapterus leucas) in West Greenland. PLoS One 16 (9), e0257054 (2021)

Zahn, M. J.; Rankin, S.; McCullough, J. L. K.; Koblitz, J. C.; Archer, F.; Rasmussen, M. H.; Laidre, K. L.: Acoustic differentiation and classification of wild belugas and narwhals using echolocation clicks. Scientific Reports 11 (1), 22141 (2021)

Zein, B.; Long, J. A.; Safi, K.; Kölzsch, A.; Wikelski, M.; Kruckenberg, H.; Demšar, U.: Simulation experiment to test strategies of geomagnetic navigation during long-distance bird migration. BMC Movement Ecology 9, 46 (2021)

Zheng, X. W.; Wang, W.; Li, L.; Xie, G. M.: Artificial lateral line based relative state estimation between an upstream oscillating fin and a downstream robotic fish. Bioinspiration & Biomimetics 16, 016012 (2021)

Assam, A.; Abdu, S.; Abdu, P.; Ezealor, A.: Endo-parasites of apparently healthy wild birds in Kaduna State, Nigeria. Annual Research & Review in Biology 35 (12), S. 63 - 72 (2020)

Ravi, S.; Siesenop, T.; Bertrand, O.; Li, L.; Doussot, C.; Warren, W. H.; Combes, S. A.; Egelhaaf, M.: Bumblebees perceive the spatial layout of their environment in relation to their body size and form to minimize inflight collisions. Proceedings of the National Academy of Sciences of the United States of America 117, S. 31494 - 31499 (2020)