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Piersma, Prof. Theunis

Theunis Piersma is professor of Animal Ecology. Together with his international research team, he studies how the distribution and numbers of waders correlate to climate, food, predators, pathogens and their historical-genetic background. Research is being conducted within the Netherlands as well as in comparable ecosystems in Africa, Australia, North and South America and Asia.

Piersma also works as a Wadden biologist for the Royal Netherlands Institute for Sea Research (NIOZ) on the island of Texel. Piersma is one of the greatest advocates of conservation of the Wadden Sea. ‘No other country treats its nature reserves as badly as the Netherlands does’, according to Piersma. ‘Over the past twenty years, the ecological system of our last wilderness has been steadily destroyed.’ For the past two years he has concentrated, inter alia, on population studies among black-tailed godwits. He is, for example, involved in a study that tracks godwits in their breeding grounds in Friesland and during their migration to and from southern Europe and Africa via a transmitter in their abdominal cavity.

In 2004 Piersma was awarded the Prince Bernhard Cultural Foundation Prize for Nature Conservation, and in 2009 he was appointed a member of the Royal Netherlands Academy of Arts and Sciences. In 2011 he received a NWO grant for research on bird tracking tools. In 2012, Piersma opened the Dutch jubilee conference of the World Wildlife Fund with a performance of 'Music of Migration' - a story of the black-tailed godwit in work, image and music, together with multi-instrumentalist Sytze Pruiksma. In 2014 Piersma was awarded a Spinoza Prize, also referred to as the 'Dutch Nobel Prize'. In 2017 he received a top British ornithology award, followed by the Godman Salvin Prize in 2020.


Previously in the news


Li, Y., Piersma, T., Hooijmeijer, J. C. E. W., & Howison, R. A. (2023). Land‐use intensity impacts habitat selection of ground‐nesting farmland birds in the Netherlands. Ecological Solutions and Evidence, 4(1), [e12201].
Zhu, B-R., Verhoeven, M., Hassell, C. J., Leungh, K. K-S., Dorofeev, D., Zhang, Z., & Piersma, T. (2023). Predicting the non-breeding distributions of the two Asian subspecies of Black-tailed Godwit using morphological information. Avian Research, 14, [100069].
Lok, T., van der Geest, M., Bom, R. A., de Goeij, P., Piersma, T., & Bouten, W. (2023). Prey ingestion rates revealed by back-mounted accelerometers in Eurasian spoonbills. Animal Biotelemetry, 11(1), [5].


Jetz, W., Tertitski, G., Kays, R., Mueller, U., Wikelski, M., & Supporting authors (2022). Biological Earth observation with animal sensors. Trends in Ecology and Evolution, 37(4), 293-298.
Hooijmeijer, J., Howison, R., Barba Escoto, L., Craft, T., Stessens, M., Jager, K. D., Loos, B., Bonthuis, S., Hotting, M., Franken, M., Tijsen, W., Vries, J. J. D., & Piersma, T. (2022). Black-tailed Godwits (Limosa limosa) in southern Iberia, habitat description and finding colour marked birds from 1 – 26 February 2022: Portugal (Sado, Tejo & Algarve), Spain (Doñana & Extremadura). University of Groningen.
Hooijmeijer, J., & Piersma, T. (2022). Black-tailed Godwits (Limosa limosa) in southern Spain, habitat description and finding colour marked birds from 3 – 13 October 2022: Doñana, Bonanza, Algaida & Odiel. University of Groningen.
Henriques, M., Catry, T., Belo, J. R., Piersma, T., Pontes, S., & Granadeiro, J. P. (2022). Combining multispectral and radar imagery with machine learning techniques to map intertidal habitats for migratory shorebirds. Remote Sensing, 14(14), [ 3260].
Zhu, B-R., Verhoeven, M., Velasco Saragoni, N., Sanchez Aguilar, L., Zhang, Z., & Piersma, T. (2022). Current breeding distributions and predicted range shifts under climate change in two subspecies of Black-tailed Godwits in Asia. Global Change Biology, 28(18), 5416-5426.
Piersma, T. (2022). De ontdekking van Europa: De eerste kanoeten op het wad, de eerste terpen op de kwelder. In J. L. van Zanden, H. Čordašev, & E. de Bruin (Eds.), Gevleugelde geschiedenis van Nederland: De Nederlanders en hun vogels (pp. 31-44). Ambo/Anthos.
Verhoeven, M., Loonstra, J., Pringle, T., Kaspersma, W., Whiffin, M., McBride, A. D., Sjoerdsma, P., Roodhart, C., Burgess, M. D., Piersma, T., & Smart, J. (2022). Do ditch-side electric fences improve the breeding productivity of ground-nesting waders? Ecological Solutions and Evidence, 3(2), [e12143].
Verhoeven, M., McBride, A., Hooijmeijer, J., Piersma, T., & Senner, N. (2022). Earthworm abundance and availability does not influence the reproductive decisions of black-tailed godwits in an agricultural grassland. Ecological Solutions and Evidence, 3(1), [e12125].
Peng, H. B., Shi, J., Gan, X., Zhang, J., Ma, C., Piersma, T., & Melville, D. S. (2022). Efficient removal of Spartina alterniflora with low negative environmental impacts using imazapyr. Frontiers in Marine Science, 9, [1054402].
Mu, T., Cai, S., Peng, H-B., Hassell, C. J., Boyle, A., Zhang, Z., Piersma, T., & Wilcove, D. S. (2022). Evaluating staging habitat quality to advance the conservation of a declining migratory shorebird, Red Knot Calidris canutus. Journal of Applied Ecology, 59(8), 2084-2093.
Faber, R., Alcocer Cordellat, T., Hooijmeijer, J., & Piersma, T. (2022). Finding and sampling colour ringed Black-tailed Godwits (Limosa limosa) in Parque Natural de l’Albufera (Valencia, Spain): Spring staging February 1st till March 15th 2021. University of Groningen.
Lu, X., Yang, H., Piersma, T., Sun, L., Chen, Q., Jia, Y., Lei, G., Cheng, L., & Rao, X. (2022). Food resources for Spoon-billed Sandpipers (Calidris pygmaea) in the mudflats of Leizhou Bay, southern China. Frontiers in Marine Science, 9, [1005327].
Mu, T., Choi, C. Y., Liu, Y., Piersma, T., & Wilcove, D. S. (2022). Gaps in coastal wetlands World Heritage list. Science, 376(6597), 1060-1061.
Verkuil, Y., Tavares, E. S., González, P. M., Choffe, K., Haddrath, O., Peck, M., Niles, L. J., Baker, A. J., Piersma, T., & Conklin, J. R. (2022). Genetic structure in the nonbreeding range of rufa Red Knots suggests distinct Arctic breeding populations. Ornithological Applications, 124(1), 1–11.
Conklin, J. R., Verkuil, Y., Battley, P. F., Hassell, C. J., ten Horn, J., Johnson, J. A., Tomkovich, P. S., Baker, A. J., Piersma, T., & Fontaine, M. (2022). Global flyway evolution in red knots Calidris canutus and genetic evidence for a Nearctic refugium. Molecular Ecology, 31(7), 2124-2139.
Hooijmeijer, J., Fokkema, R., Stessens, M., Onrust, J., Veenstra, R., Howison, R., Barba Escoto, L., Duriaux Chavarria, J-Y., Rakhimberdiev, E., Ligtelijn, M., Lagendijk, G., van der Velde, E., Kraamwinkel, C., Eren, S., Craft, T., Venderbos, R., & Piersma, T. (2022). Grutto Landschap Project - Jaarverslag 2021: De staat van ons landschap: biomonitoring van duurzame landbouw innovaties . Rijksuniversiteit Groningen.
Chan, Y-C., Tibbitts, T. L., Dorofeev, D., Hassell, C. J., & Piersma, T. (2022). Hidden in plain sight: migration routes of the elusive Anadyr bartailed godwit revealed by satellite tracking. Journal of Avian Biology, 2022(8), [e02988].
Silva-Monteiro, M., Scheper, J., Pehlak, H., Kurina, O., Timonen, S., Pessa, J., Pasanen, E., Verhoeven, M., Loonstra, J., Piersma, T., Robin, F., Korniluk, M., Swiętochowski, P., Onwezen, M., Bongers, M., Hamelink, J., Bik, S., Lembreght, F., Dunn, A., & Kleijn, D. (2022). Invertebrate abundance increases with vegetation productivity across natural and agricultural wader breeding habitats in Europe. Biological Conservation, 273, [109670].
Rakhimberdiev, E., Karagicheva, J., Saveliev, A., Loonstra, J., Verhoeven, M., Hooijmeijer, J., Schaub, M., & Piersma, T. (2022). Misidentification errors in reencounters result in biased estimates of survival probability from CJS models: Evidence and a solution using the robust design. Methods in ecology and evolution, 13(5), 1106-1118.
Lameris, T., Tomkovich, P. S., Johnson, J. A., Morrison, R. I. G., Tulp, I., Lisovski, S., DeCicco, L., Dementyev, M., Gill Jr., R. E., ten Horn, J., Piersma, T., Pohlen, Z., Schekkerman, H., Soloviev, M. Y., Syroechkovsky, E. E., Zhemchuzhnikov, M. K., & van Gils, J. A. (2022). Mismatch-induced growth reductions in a clade of Arctic-breeding shorebirds are rarely mitigated by increasing temperatures. Global Change Biology, 28, 829–847.
van Hasselt, S. J., Piersma, T., & Meerlo, P. (2022). Seasonal variation in rest-activity patterns in barnacle geese: Are measurements of activity a good indicator of sleep-wake patterns? Journal of Experimental Biology, 225(20), jeb244177.
Das, D., Khandakar, N., Sultana, I., Islam, S., Ali, M. S., Galib, A. J., Shamsuddoha, M., & Piersma, T. (2022). Site use by non-breeding Black-tailed Godwits at Nijhum Dweep National Park, Bangladesh. Wader Study, 129(1).
Navedo, J. G., Piersma, T., Figuerola, J., & Vansteelant, W. (2022). Spain's Doñana World Heritage Site in danger. Science, 376(6589), 144.
Coelho, A. P., Henriques, M., Rocha, A. D., Paulino, J., Schaars, L. K., Ramos, C., de Barros, A. R., Catry, T., Granadeiro, J. P., Piersma, T., & Alves, J. A. (2022). Spatial and seasonal variation in macrozoobenthic density, biomass and community composition in a major tropical intertidal area, the Bijagós Archipelago, West-Africa. PLoS ONE, 17(11), [e0277861].
Henriques, M., Belo, J. R., Sá, J., Monteiro, H., Alves, J. A., Piersma, T., Dodman, T., & Roomen, M. V. (2022). The Bijagós Archipelago: A key area for waterbirds of the East Atlantic Flyway. (East Atlantic Flyway assessment 2020:The status of coastal waterbird populations and their sites.). Wadden Sea Flyway Initiative p/a CWSS, Wilhelmshaven, Germany, Wetlands International, Wageningen, The Netherlands, BirdLife International, Cambridge, United Kingdom.
van der Winden, J., Hogeweg, N., Baaij, E., van Horssen, P. W., Shamoun-Baranes, J., Vos, R., & Piersma, T. (2022). The influence of weather on the migration behaviour of Eurasian Bitterns Botaurus stellaris. Bird Study, 68(3), 370-380.
Piersma, T., Gill, Jr, R. E., Ruthrauff, D. R., Guglielmo, C. G., Conklin, J. R., & Handel, C. M. (2022). The Pacific as the world’s greatest theater of bird migration: Extreme flights spark questions about physiological capabilities, behavior, and the evolution of migratory pathways. The Auk, 139, 1-29.
Vervoort, R., Schmaltz, L., Hooijmeijer, J., Verkuil, Y., Kempenaers, B., & Piersma, T. (2022). Within- and between-year variation in the presence of individually marked Ruff Calidris pugnax at a stopover site during northward migration. Ardea, 110(1), 41–59.


van Hasselt, S. J., Verhulst, S., Piersma, T., Rattenborg, N. C., & Meerlo, P. (2022). A comparison of continuous and intermittent EEG recordings in geese: How much data are needed to reliably estimate sleep-wake patterns? Journal of Sleep Research, 31(3), [e13525].
Verhoeven, M. A., Loonstra, A. H. J., McBride, A. D., Kaspersma, W., Hooijmeijer, J. C. E. W., Both, C., Senner, N. R., & Piersma, T. (2022). Age-dependent timing and routes demonstrate developmental plasticity in a long-distance migratory bird. Journal of Animal Ecology, 91(3), 566-579.
Bom, R., Conklin, J. R., Verkuil, Y., Alves, J. A., de Fouw, J., Dekinga, A., Hassell, C. J., Klaassen, R., Kwarteng, A. Y., Rakhimberdiev, E., Rocha, A., ten Horn, J., Tibbitts, T. L., Tomkovich, P. S., Victor, R., & Piersma, T. (2022). Central-West Siberian-breeding Bar-tailed Godwits (Limosa lapponica) segregate in two morphologically distinct flyway populations. Ibis, 164, 468–485.
Ersoy, S., Beardsworth, C. E., Dekinga, A., van der Meer, M. T. J., Piersma, T., Groothuis, T. G. G., & Bijleveld, A. I. (2022). Exploration speed in captivity predicts foraging tactics and diet in free-living red knots. Journal of Animal Ecology, 91(2), 356-366.
Penning, E., Govers, L., Dekker, R., & Piersma, T. (2021). Advancing presence and changes in body size of brown shrimp Crangon crangon on intertidal flats in the western Dutch Wadden Sea, 1984–2018. Marine Biology, 168(11), [160].
Lei, W., Wu, Y., Wu, F., Piersma, T., Zhang, Z., & Masero, J. A. (2021). Artificial wetlands as breeding habitats for shorebirds: A case study on Pied Avocets in China’s largest saltpan complex. Frontiers in Ecology and Evolution, 9, [622756].
Henriques, M., Granadeiro, J. P., Piersma, T., Leão, S., Pontes, S., & Catry, T. (2021). Assessing the contribution of mangrove carbon and of other basal sources to intertidal flats adjacent to one of the largest West African mangrove forests. Marine Environmental Research, 169, [105331].
Piersma, T., & Gutiérrez, J. S. (2021). Bird migration: Flying high to avoid overheating? Current Biology, 31(15), R948–R971.
Hooijmeijer, J., Fokkema, R., & Piersma, T. (2021). Black-tailed Godwits (Limosa limosa) in Southwest Spain from Rio Barbate to Rio Odiel, habitat description and finding ringed birds from 1 – 11 October 2021. University of Groningen.
van Hasselt, S. J., Hut, R. A., Allocca, G., Vyssotski, A. L., Piersma, T., Rattenborg, N. C., & Meerlo, P. (2021). Cloud cover amplifies the sleep-suppressing effect of artificial light at night in geese. Environmental Pollution, 273, [116444].
Zhu, B-R., Verkuil, Y. I., Conklin, J. R., Yang, A., Lei, W., Alves, J. A., Hassell, C. J., Dorofeev, D., Zhang, Z., & Piersma, T. (2021). Discovery of a morphologically and genetically distinct population of Black-tailed Godwits in the East Asian-Australasian Flyway. Ibis, 163(2), 448-462.
Zhang, S., Bai, Q., Melville, D. S., Feng, C., Piersma, T., & Ma, Z. (2021). Food supplementation as a conservation intervention: A framework and a case of helping threatened shorebirds at a refuelling site. Biological Conservation, 264, [109394].
Hooijmeijer, J. (Ed.), van der Velde, E., Fokkema, R., Howison, R., Onrust, J., Rakhimberdiev, E., Saarloos, A., Groenhof, E., Zeegers, T., & Piersma, T. (2021). Grutto Landschap Project - Jaarverslag 2020: De staat van ons landschap: biomonitoring van duurzame landbouw innovaties. Rijksuniversiteit Groningen.
Piersma, T. (Author). (2021). Het gif van de grutto-weide. Web publication/site, Vogelbescherming Nederland.
Zhu, B., Verhoeven, M., Loonstra, J., Sanchez Aguilar, L., Hassell, C. J., Leung, K. S. K., Lei, W., Zhang, Z., & Piersma, T. (2021). Identification of breeding grounds and annual routines of the newly discovered bohaii subspecies of Black-tailed Godwits. Emu, 121, 292–302.
Meijer, K. J., El-Hacen, E-H. M., Govers, L. L., Lavaleye, M., Piersma, T., & Olff, H. (2021). Mangrove-mudflat connectivity shapes benthic communities in a tropical intertidal system. Ecological indicators, 130, [108030].
Peng, H-B., Chan, Y-C., Compton, T. J., Cheng, X-F., Melville, D. S., Zhang, S-D., Zhang, Z., Lei, G., Ma, Z., & Piersma, T. (2021). Mollusc aquaculture homogenizes intertidal soft-sediment communities along the 18,400 km long coastline of China. Diversity and Distributions, 27(8), 1553-1567.
Piersma, T., Gill, R. E., & Ruthrauff, D. R. (2021). Physiomorphic transformation in extreme endurance migrants: Revisiting the case of Bar-tailed Godwits preparing for trans-Pacific flights. Frontiers in Ecology and Evolution, 9, [685764].
Das, D. K., Khandakar, N., Sultana, I., Shamsuddoha, M., Galib, A. J., Akhtar, F., & Piersma, T. (2021). Population size, behavior and threats to Indian Skimmers (Rhynchops albicollis) at their largest known wintering site. Waterbirds, 44(3), 382-388.
Macías Torres, P., Piersma, T., & Hooijmeijer, J. (2021). Resighting Black-tailed godwits in Doñana and Extremadura during spring migration. January 31st to February 19th, 2021. University of Groningen.
Piersma, T. (2021). Rudi Drent Chair in Global Flyway Ecology: Annual Report 2020 - 2021. University of Groningen.
Belo, J., Piersma, T., & Hooijmeijer, J. (2021). Spring migration of Black-tailed Godwits in Portugal (Tagus & Sado Estuaries) from 1 to 26 February 2021. University of Groningen.
Verkuil, Y. I., Jukema, J., Tomkovich, P. S., Rönkä, N., Hooijmeijer, J. C. E. W., & Piersma, T. (2021). Striking rusty-brown neck collars in ruffs: Plumage polymorphism or staining? Wader Study, 128(1), 36-43.
Sijtsma, F., Vreeling, L., Angelstam, P., El- Hacen, H., van der Heide, M., Horlings, I., Piersma, T., & Tittonell, P. (2021). Systematisch èn snel wetenschappelijk literatuuronderzoek t.b.v. beleid: Een verkenning van het gebruik van ASReview rond de effectiviteit van beleidsinstrumenten die duurzame landbouw stimuleren. University of Groningen.
Lei, W., Masero, J. A., Dingle, C., Liu, Y., Chai, Z., Zhu, B., Peng, H., Zhang, Z., & Piersma, T. (2021). The value of coastal saltpans for migratory shorebirds: Conservation insights from a stable isotope approach based on feeding guild and body size. Animal Conservation, 24(6), 1071-1083.
Lagarde, F., & Piersma, T. (2021). Vocal signalling by Eurasian Spoonbills Platalea leucorodia in flocks before migratory departure. Ardea, 109(2), 243-250.
Piersma, T., Kok, E. M. A., Hassell, C. J., Peng, H-B., Verkuil, Y. I., Lei, G., Karagicheva, J., Rakhimberdiev, E., Howey, P. W., Tibbitts, T. L., & Chan, Y-C. (2021). When a typical jumper skips: Itineraries and staging habitats used by Red Knots (Calidris canutus piersmai) migrating between northwest Australia and the New Siberian Islands. Ibis, 163(4), 1235-1251.


Verhoeven, M. A., Loonstra, A. H. J., McBride, A. D., Both, C., Senner, N. R., & Piersma, T. (2021). Migration route, stopping sites, and non-breeding destinations of adult Black-tailed Godwits breeding in southwest Fryslân, The Netherlands. Journal of Ornithology, 162, 61–76.
van Hasselt, S. J., Mekenkamp, G-J., Komdeur, J., Allocca, G., Vyssotski, A. L., Piersma, T., Rattenborg, N. C., & Meerlo, P. (2021). Seasonal variation in sleep homeostasis in migratory geese: A rebound of NREM sleep following sleep deprivation in summer but not in winter. Sleep, 44(4).
Kok, E. M. A., Tibbitts, T. L., Douglas, D. C., Howey, P. W., Dekinga, A., Gnep, B., & Piersma, T. (2020). A red knot as a black swan: How a single bird shows navigational abilities during repeat crossings of the Greenland Icecap. Journal of Avian Biology, 51(8), [02464].
Muller, J. R. M., Chan, Y-C., Piersma, T., Chen, Y., Aarninkhof, S. G. J., Hassell, C. J., Tao, J., Gong, Z., Wang, Z. B., & van Maren, D. S. (2020). Building for nature: Preserving threatened bird habitat in port design. Water, 12(8), [2134].
van der Velde, E., Hooijmeijer, J., Terpstra, S., Terpstra, E., & Piersma, T. (2020). Camera-onderzoek naar nestpredatie bij weidevogels in Skriezekrite Idzegea 2020. Rijksuniversiteit Groningen.
Oudman, T., Schekkerman, H., Kidee, A., van Roomen, M., Camara, M., Smit, C., ten Horn, J., Piersma, T., & El-Hacen, E-H. M. (2020). Changes in the waterbird community of the Parc National du Banc d'Arguin, Mauritania, 1980-2017. Bird Conservation International, 30(4), 618-633. [0959270919000431].
van der Velde, E., Kentie, R., Piersma, T., Rakhimberdiev, E., & Hooijmeijer, J. (2020). De Grutto Monitor 2012-2019: De vinger aan de pols van de grutto-populatie met een actueel overzicht van de demografische parameters op basis van langjarig veldonderzoek in Súdwest Fryslân. University of Groningen.
Hooijmeijer, J., Faber, R., & Piersma, T. (2020). Describing habitat and finding colour rings of Black-tailed Godwits (Limosa limosa) in Parque Natural de l’Albufera, Valencia, Spain, from 01 March-8 March 2020. University of Groningen.
Muller, J. R. M., Chen, Y., Aarninkhof, S. G. J., Chan, Y-C., Piersma, T., van Maren, D. S., Tao, J., Wang, Z. B., & Gong, Z. (2020). Ecological impact of land reclamation on Jiangsu coast (China): A novel ecotope assessment for Tongzhou Bay. Water science and engineering, 13(1), 57-64.
Kok, E. M. A., Hogan, J. A., & Piersma, T. (2020). Experimental tests of a seasonally changing visual preference for habitat in a long-distance migratory shorebird. Ethology, 126(7), 681–693.
Macías Torres, P., Piersma, T., & Hooijmeijer, J. (2020). Finding (colour ringed) Black-tailed Godwits Limosa limosa and describing their habitat in Doñana, Marismas del Odiel, Salinas de Bonanza and Sado/Tejo estuaries from 1 - 11 October 2020. University of Groningen.
Verhoeven, M. A., Loonstra, A. H. J., McBride, A. D., Macias, P., Kaspersma, W., Hooijmeijer, J. C. E. W., van der Velde, E., Both, C., Senner, N. R., & Piersma, T. (2020). Geolocators lead to better measures of timing and renesting in black-tailed godwits and reveal the bias of traditional observational methods. Journal of Avian Biology, 51(4), [02259].
El-Hacen, E-H. M., Sidi Cheikh, M. A., Bouma, T. J., Olff, H., & Piersma, T. (2020). Long-term changes in seagrass and benthos at Banc d’Arguin, Mauritania, the premier intertidal system along the East Atlantic Flyway. Global Ecology and Conservation, 24, [e01364].
Fokkema, W., van der Jeugd, H. P., Lameris, T. K., Dokter, A. M., Ebbinge, B. S., de Roos, A. M., Nolet, B. A., Piersma, T., & Olff, H. (2020). Ontogenetic niche shifts as a driver of seasonal migration. Oecologia, 193(2), 285–297.
Piersma, T. (2020). Ornithology from the Flatlands: Satellite sensing of greenness and the resource landscapes of birds. Ardea, 108(2), 111-114.
Mathot, K. J., Kok, E. M. A., van den Hout, P., Dekinga, A., & Piersma, T. (2020). Red knots (Calidris canutus islandica) manage body mass with dieting and activity. The Journal of Experimental Biology, 223(Pt 21), [ jeb231993].
Piersma, T., Loonstra, A. H. J., Verhoeven, M. A., & Oudman, T. (2020). Rethinking classic starling displacement experiments: Evidence for innate or for learned migratory directions? Journal of Avian Biology, 51(5), [e02337].
Zhu, B-R., Hassell, C. J., Verkuil, Y. I., Gunnarson, T. G., Hooijmeijer, J. C. E. W., Zhang, Z., & Piersma, T. (2020). Size, shape and sex differences in three subspecies of Black-tailed Godwits Limosa limosa. Bird Study, 67(1), 45-52.
Hooijmeijer, J., Hotting, M., Tijsen, W., Franken, M., Bonthuis, S., Loos, B., van der Velde, E., Hulder, A., Sikkema, M., de Vries, J. J., de Jager, K., & Piersma, T. (2020). Spring migration of Black-tailed Godwits in Iberia between 31 January and 24 February 2019: Portugal (Sado & Tejo), Spain (Doñana & Extremadura). University of Groningen.
Piersma, T. (Author). (2020). Variaties in aantrekkelijkheid. Web publication/site, Vogelbescherming Nederland.


Reneerkens, J., Versluijs, T. S. L., Piersma, T., Alves, J. A., Boorman, M., Corse, C., Gilg, O., Hallgrimsson, G. T., Lang, J., Loos, B., Ntiamoa-Baidu, Y., Nuoh, A. A., Potts, P. M., ten Horn, J., & Lok, T. (2020). Low fitness at low latitudes: Wintering in the tropics increases migratory delays and mortality rates in an arctic-breeding shorebird. Journal of Animal Ecology, 89(3), 691-703.
de Fouw, J., van der Zee, E. M., van Gils, J. A., Eriksson, B. K., Weerman, E. J., Donadi, S., van der Veer, H. W., Olff, H., Piersma, T., & van der Heide, T. (2020). The interactive role of predation, competition and habitat conditions in structuring an intertidal bivalve population. Journal of Experimental Marine Biology and Ecology, 523, [151267].
de Felici, L., Piersma, T., & Howison, R. A. (2019). Abundance of arthropods as food for meadow bird chicks in response to short- and long-term soil wetting in Dutch dairy grasslands. PeerJ, 7, [7401].
Lok, T., Hassell, C. J., Piersma, T., Pradel, R., & Gimenez, O. (2019). Accounting for heterogeneity when estimating stopover duration, timing and population size of red knots along the Luannan Coast of Bohai Bay, China. Ecology and Evolution, 9(11), 6176-6188.
Loonstra, A. H. J., Verhoeven, M. A., Senner, N. R., Both, C., & Piersma, T. (2019). Adverse wind conditions during northward Sahara crossings increase the in-flight mortality of Black-tailed Godwits. Ecology Letters, 22(12).
van der Velde, E., Hooijmeijer, J., Walinga, M., & Piersma, T. (2019). Camera-onderzoek naar grondpredatoren en nestpredatie bij weidevogels in Skriezekrite Idzegea. University of Groningen.
Bulla, M., Reneerkens, J., Weiser, E. L., Sokolov, A., Taylor, A. R., Sittler, B., McCaffery, B. J., Catlin, D. H., Payer, D. C., Ward, D. H., Solovyeva, D. V., Santos, E. S. A., Rakhimberdiev, E., Nol, E., Kwon, E., Brown, G. S., Hevia, G. D., Gates, H. R., Johnson, J. A., ... Kempenaers, B. (2019). Comment on "Global pattern of nest predation is disrupted by climate change in shorebirds". Science, 364(6445 SI).
Chan, Y-C., Peng, H-B., Han, Y. X., Chung, S. S. W., Li, J., Zhang, L., & Piersma, T. (2019). Conserving unprotected important coastal habitats in the Yellow Sea: Shorebird occurrence, distribution and food resources at Lianyungang. Global Ecology and Conservation, 20, [e00724].
Piersma, T. (Author). (2019). De bizarre evolutie van de kemphaan. Web publication/site, Vogelbescherming Nederland.
van der Geest, M., van der Lely, J. A. C., van Gils, J. A., Piersma, T., & Lok, T. (2019). Density-dependent growth of bivalves dominating the intertidal zone of Banc d’Arguin, Mauritania: Importance of feeding mode, habitat and season. Marine Ecology Progress Series, 610, 51-63.
Hooijmeijer, J., Howison, R., & Piersma, T. (2019). Describing habitat and finding colour rings of Black-tailed Godwits (Limosa limosa) in Morocco, from 25 February-5 March 2019. University of Groningen.
Hooijmeijer, J., Howison, R., Piersma, T., & Sidi Cheikh, M. A. (2019). Describing habitat and finding colour rings of Black-tailed Godwits (Limosa limosa) in the Brakna region (Mauritania) and in the Senegal River Valley between Djoudj/ Diawling NP and Kaédi (Senegal and Mauritania) from 23 October – 5 November 2019. University of Groningen.
Hooijmeijer, J., Howison, R., Ndiaye, I., & Piersma, T. (2019). Describing habitat and finding colour rings of Black-tailed Godwits (Limosa limosa) in the Senegal River Delta, Senegal, from 2 – 9 July 2019. University of Groningen.
Onrust, J., Hobma, S., & Piersma, T. (2019). Determining the availability of earthworms for visually hunting predators. Wildlife Society Bulletin, 43(4), 745-751.
Onrust, J., Wymenga, E., Piersma, T., & Olff, H. (2019). Earthworm activity and availability for meadow birds is restricted in intensively managed grasslands. Journal of Applied Ecology, 56(6), 1333-1342.
Howison, R., Belting, H., Smart, J., Smart, M., Schuckard, R., Thorup, O., Piersma, T., & International Wader Study Group (2019). Een horizon vol weidevogels in Zuidwest-Friesland: Inzichten uit de workshop van de International Wader Study Group, 28 september 2018. Drukkerij Van der Eems, Easterein.
Mathot, K. J., Kok, E. M. A., Burant, J. B., Dekinga, A., Manche, P., Saintonge, D., & Piersma, T. (2019). Evolutionary design of a flexible, seasonally migratory, avian phenotype: Why trade gizzard mass against pectoral muscle mass? Proceedings of the Royal Society of London. Series B, Biological Sciences, 286(1903), [20190518].
Chan, Y-C., Tibbitts, T. L., Lok, T., Hassell, C. J., Peng, H-B., Ma, Z., Zhang, Z., & Piersma, T. (2019). Filling knowledge gaps in a threatened shorebird flyway through satellite tracking. Journal of Applied Ecology, 56(10), 2305-2315.
Kramer, J., Boersma, S., Hooijmeijer, J., & Piersma, T. (2019). Finding (colour ringed) Black-tailed Godwits Limosa limosa and describing their habitat in Doñana, Marismas del Odiel and along the banks of Rio Odiel and Rio Tinto in southern Spain from 1 - 10 October 2019. University of Groningen.
Howison, R., Hooijmeijer, J., & Piersma, T. (2019). Grutto’s als indicator voor veranderingen in landgebruik in de Sahel. Limosa, 92(3), 154-163.
Senner, N. R., Verhoeven, M. A., Abad-Gómez, J. M., Alves, J. A., Hooijmeijer, J. C. E. W., Howison, R. A., Kentie, R., Loonstra, A. H. J., Masero, J. A., Rocha, A., Stager, M., & Piersma, T. (2019). High migratory survival and highly variable migratory behavior in black-tailed godwits. Frontiers in Ecology and Evolution, 7(APR), [96].
Piersma, T. (Author). (2019). Houdt de vogel op bij zijn veren?. Web publication/site, Vogelbescherming Nederland.
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