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Samaš P., Kysučan M., Honza M. & Grim T. 2019: Multiple costs are relevant for evolution of host anti-parasite defences.
Proceedings of the Royal Society of London Series B 286(1914): 20191690. (doi: 10.1098/rspb.2019.1690) (Invited commentary)

Kysučan M., Samaš P. & Grim T. 2019: Post-fledging interactions between the common cuckoo Cuculus canorus and its cavity nesting common redstart Phoenicurus phoenicurus host.
Ibis xx(x): xx–xx. (doi: 10.1111/ibi.12719)

Nyklová-Ondrová M., Hanley D. & Grim T. 2019: White stork nest altitude decreases as global temperatures increase.
Biologia xx(x): xx–xx. (doi: 10.2478/s11756-019-00302-2)

Abolins-Abols M., Hanley D., Moskát C., Grim T. & Hauber M. E. 2019: Anti-parasitic egg rejection by great reed warblers (Acrocephalus arundinaceus) tracks differences along an eggshell color gradient.
Behavioural Processes 166(9): 103902. (doi: 10.1016/j.beproc.2019.103902)

Samaš P., Grim T., Jelínek V., Abraham M. M., Šulc M. & Honza M. 2019: No immediate or future extra costs of raising a virulent brood parasite chick.
Behavioral Ecology 30(4): 1020–1029. (doi: 10.1093/beheco/arz043)

Hanley D., Gern K., Hauber M. E. & Grim T. 2019: Host responses to foreign eggs across the avian visual color space.
American Naturalist 194(1): 17–27. (doi: 10.1086/703534)

Morelli F., Benedetti Y., Díaz M., Grim T., Ibánez-Álamo J. D., Jokimäki J., Kaisanlahti-Jokimäki M.-L., Tätte K., Markó G., Jiang Y., Tryjanowski P. & Moller A. P. 2019: Contagious fear: escape behavior increases with flock size in European gregarious birds.
Ecology and Evolution 9(10): 6096–6104. (doi: 10.1002/ece3.5193) (Open Access)

Hanley D., López A. V., Fiorini V. D., Reboreda J. C., Grim T. & Hauber M. E. 2019: Variation in multicomponent recognition cues alters egg rejection decisions: a test of the optimal acceptance threshold hypothesis.
Philosophical Transactions of the Royal Society B 374(1769): 20180195. (doi: 10.1098/rstb.2018.0195) (Invited paper)


Trnka A., Samaš P. & Grim T. 2018: Consistent individual and sex-specific differences in behaviour of common cuckoo chicks: is there a potential impact on host-parasite coevolutionary dynamics?
Behaviour 155(13-15): 1051–1072. (doi: 10.1163/1568539X-00003522)

Samaš P., Rutila J., Honza M., Kysučan M. & Grim T. 2018: Rearing a virulent common cuckoo is not extra costly for its only cavity-nesting host.
Proceedings of the Royal Society of London Series B 285(1889): 20181710. (doi: 10.1098/rspb.2018.1710)

Canniff L., Dainson M., López A. V., Hauber M. E., Grim T., Samaš P. & Hanley D. 2018: Probing the limits of egg recognition using egg rejection experiments along phenotypic gradients.
Journal of Visualized Experiments 138: e57512. (doi: 10.3791/57512)

Trnka A., Samaš P. & Grim T. 2018: Stability of a behavioural syndrome vs. plasticity in individual behaviours over the breeding cycle: ultimate and proximate explanations.
Behavioural Processes 153(8): 100–106. (doi: 10.1016/j.beproc.2018.06.003)

Tyller Z., Kysučan M. & Grim T. 2018: Postfledging behavior of the common cuckoo (Cuculus canorus) attended by the chaffinch (Fringilla coelebs): a comprehensive approach to study the least known stage of brood parasite–host coevolution.
Wilson Journal of Ornithology 130(2): 536–542. (doi: 10.1676/16-223.1)
Supplementary material video


Samaš P., Heryán J. & Grim T. 2017: Corrigendum Samaš et al. 2013: Sylvia 49: 21–38.
Sylvia 53: 92. (doi: –) (in Czech and English) (Open Access)

Dainson M., Hauber M. E., López A. V., Grim T. & Hanley D. 2017: Does contrast between eggshell ground and spot coloration affect egg rejection?
The Science of Nature 104(7-8): 54. (doi: 10.1007/s00114-017-1476-2)

Grim T. 2017: Chick discrimination versus adaptive parasitic egg acceptance: the egg dilution effect hypothesis revisited.
Ornithological Science 16(2): 163–170. (doi: 10.2326/osj.16.163)

Grim T., Tyller Z. & Samaš P. 2017: Unusual diet of brood parasitic nestlings and its fitness consequences.
Auk 134(3): 732–750. (doi: 10.1642/AUK-16-242.1) (Open Access)
Supplemental Material Video S1, Video S2, Video S3Video S4

Samia D. S. M., Blumstein D. T., Díaz M., Grim T., Ibáñez-Álamo J. D., Jokimäki J., Tätte K., Markó G., Tryjanowski P. & Møller A. P. 2017: Rural-urban differences in escape behavior of European birds across a latitudinal gradient.
Frontiers in Ecology and Evolution 5: 66. (doi: 10.3389/fevo.2017.00066) (Open Access)

Manna T., Cooper C., Baylis S., Shawkey M. D., Waterhouse G. I. N., Grim T. & Hauber M. E. 2017: Does the house sparrow Passer domesticus represent a global model species for egg rejection behavior?
Journal of Avian Biology 48(3): 346–352. (doi: 10.1111/jav.01193)

Igic B., Hauber M. E., Moskát C., Grim T., Shawkey M. D., Procházka P. & Honza 2017: Brood parasite and host eggshells undergo similar levels of decalcification during embryonic development.
Journal of Zoology 301(3): 165–173. (doi: 10.1111/jzo.12408)

Hanley D., Grim T., Igic B., Samaš P., López A. V., Shawkey M. D. & Hauber M. E. 2017: Egg discrimination along a gradient of natural variation in eggshell coloration.
Proceedings of the Royal Society of London Series B 284(1848): 20162592. (doi: 10.1098/rspb.2016.2592)
See accompanying videos of egg acceptance and rejection by hosts


Grim T. & Samaš P. 2016: Growth performance of nestling cuckoos Cuculus canorus in cavity nesting hosts.
Acta Ornithologica 51(2): 175–188. (doi: 10.3161/00016454AO2016.51.2.004) (Open Access)
(with cover)

Vega M. L., Willemoes M., Thomson R. L., Tolvanen J., Rutila J., Samaš P., Strandberg R., Grim T., Fossøy F., Stokke B. G. & Thorup K. 2016: First-time migration in juvenile common cuckoos documented by satellite tracking.
PLoS ONE 11(12): e0168940. (doi: 10.1371/journal.pone.0168940) (Open Access)

Grim T. 2016: McMullan M., Donegan T. M. & Quevedo A. 2010: Field Guide to the Birds of Colombia; McMullan M. & Donegan T. M. 2014: Field Guide to the Birds of Colombia. 2. vydání; Beckers J. & Florez P. 2013: Birdwatching in Colombia; Boesman P. 2012: Birds of Colombia – MP3 Sound Collection (1.0). (Book & DVD review).
Sylvia 52: 97–101. (doi: –) (in Czech, summary in English) (Open Access)

Grim T. 2016: Are cavity nesters really unsuitable hosts for the common cuckoo (Cuculus canorus)? An experiment with the blue tit (Cyanistes caeruleus) and collared flycatcher (Ficedula albicollis).
Sylvia 52(1): 53–66. (doi: –) (in Czech, summary in English) (Open Access)

Samaš P., Rutila J. & Grim T. 2016: The common redstart as a suitable model to study cuckoo-host coevolution in a unique ecological context.
BMC Evolutionary Biology 16: 255. (doi: 10.1186/s12862-016-0835-5) (Open Access)
Video Abstract

Li D., Zhang Z., Grim T., Liang W. & Stokke B. G. 2016: Explaining variation in brood parasitism rates between potential host species with similar habitat requirements.
Evolutionary Ecology 30(5): 905–923. (doi: 10.1007/s10682-016-9850-7)

Liang W., Møller A. P., Stokke B. G., Yang C., Kovařík P., Wang H., Yao C.-T., Ding P., Lu X., Moksnes A., Røskaft E. & Grim T. 2016: Geographic variation in egg ejection rate by great tits across 2 continents.
Behavioral Ecology 27(5): 1405–1412. (doi: 10.1093/beheco/arw061)

Hanley D., Šulc M., Brennan P. L. R., Hauber M. E., Grim T. & Honza M. 2016: Dynamic egg color mimicry.
Ecology and Evolution 6(12): 4192–4202. (doi: 10.1002/ece3.2187) (Open Access)


Verdes A., Cho W., Hossain M., Brennan P. L. R., Hanley D., Grim T., Hauber M. E. & Holford M. 2015: Nature’s palette: characterization of shared pigments in colorful avian and mollusk shells.
PLoS ONE 10(12): e0143545. (doi: 10.1371/journal.pone.0143545) (Open Access)

Møller A. P., Díaz M., Grim T., Dvorská A., Flensted-Jensen E., Ibáñez-Álamo J. D., Jokimäki J., Mänd R., Markó G., Szymański P. & Tryjanowski P. 2015: Effects of urbanization on bird phenology: a continental study of paired urban and rural populations.
Climate Research 66(3): 185–199. (doi: 10.3354/cr01344)

Dinets V., Samaš P., Croston R., Grim T. & Hauber M. E. 2015: Predicting the responses of native birds to transoceanic invasions by avian brood parasites.
Journal of Field Ornithology 86(3): 244–251. (doi: 10.1111/jofo.12111)

Covered by Scientific American

Igic B., Zarate E., Sewell M. A., Moskát C., Cassey P., Rutila J., Grim T., Shawkey M. D. & Hauber M. E. 2015: A comparison of egg yolk lipid constituents between parasitic common cuckoos and their hosts.
Auk 132(4): 817–825. (doi: 10.1642/AUK-15-14.1)
(with cover)

Trnka A., Trnka M. & Grim T. 2015: Do rufous common cuckoo females indeed mimic a predator? An experimental test.
Biological Journal of the Linnean Society 116(1): 134–143. (doi: 10.1111/bij.12570)

Fecheyr-Lippens D. C., Igic B., D'Alba L., Hanley D., Verdes A., Holford M., Waterhouse G. I. N., Grim T., Hauber M. E. & Shawkey M. D. 2015: The cuticle modulates ultraviolet reflectance of avian eggshells.
Biology Open 4(7): 753–759. (doi: 10.1242/bio.012211) (Open Access)

Møller A. P., Díaz M., Flensted-Jensen E., Grim T., Ibáñez-Álamo J. D., Jokimäki J., Mänd R., Markó G. & Tryjanowski P. 2015: Urbanized birds have superior establishment success in novel environments.
Oecologia 178(3): 943–950. (doi: 10.1007/s00442-015-3268-8)

Díaz M., Cuervo J. J., Grim T., Flensted-Jensen E., Ibáñez-Álamo J. D., Jokimäki J., Markó G., Tryjanowski P. & Møller A. P. 2015: Interactive effects of fearfulness and geographical location on the population trends of breeding birds.
Behavioral Ecology 26(3): 716–721. (doi: 10.1093/beheco/aru211)

Hauber M. E., Tong L., Bán M., Croston R., Grim T., Waterhouse G. I. N., Shawkey M. D., Barron A. B. & Moskát C. 2015: The value of artificial stimuli in behavioral research: making the case for egg rejection studies in avian brood parasitism.
Ethology 121(6): 521–528. (doi: 10.1111/eth.12359)

Hanley D., Grim T., Cassey P. & Hauber M. E. 2015: Not so colourful after all: eggshell pigments constrain avian eggshell colour space.
Biology Letters 11(5): 20150087. (doi: 10.1098/rsbl.2015.0087)

Covered by Audubon, SciencePrima ZOOMVesmírČeský rozhlas, LidovkyTýden, Květy, ...

Hanley D., Samaš P., Heryán J., Hauber M. E. & Grim T. 2015: Now you see it, now you don't: flushing hosts prior to experimentation can predict their responses to brood parasitism.
Scientific Reports 5: 9060. (doi: 10.1038/srep09060) (Open Access)
Dedicated to Ozzy Osbourne

Covered by Česká televize, InstinktMladá fronta DNES, Deník, PrávoTechnický týdeník, Technet, ...

Hanley D., Samaš P., Hauber M. E. & Grim T. 2015: Who moved my eggs? An experimental test of the egg arrangement hypothesis for the rejection of brood parasitic eggs.
Animal Cognition 18(1): 299–305. (doi: 10.1007/s10071-014-0800-x) (Open Access)

Igic B., Fecheyr-Lippens D., Xiao M., Chan A., Hanley D., Brennan P. R. L., Grim T., Waterhouse G. I. N., Hauber M. E. & Shawkey M. D. 2015: A nanostructural basis for gloss of avian eggshells.
Journal of the Royal Society Interface 12(103): 20141210. (doi: 10.1098/rsif.2014.1210)

Covered by The New York Times, National Geographic, I Fucking Love Science, Science World, The Week, Phys.org, ... 


Samas P., Hauber M. E., Cassey P. & Grim T. 2014: The evolutionary causes of egg rejection in European thrushes (Turdus spp.): a reply to M. Soler.
Frontiers in Zoology 11(10): 72. (doi: 10.1186/s12983-014-0072-y) (Open Access)

Grim T., Samaš P., Procházka P. & Rutila J. 2014: Are tits really unsuitable hosts for the common cuckoo?
Ornis Fennica 91(3): 166–177. (doi: –)
See accompanying videos before and after fledging

Portugal S. J., Maurer G., Thomas G. H., Hauber M. E., Grim T. & Cassey P. 2014: Nesting behaviour influences species-specific gas exchange across avian eggshells.
Journal of Experimental Biology 217(18): 3326–3332. (doi: 10.1242/jeb.103291) (Open Access)

Portugal S. J., Hauber M. E., Maurer G., Stokke B. G., Grim T. & Cassey P. 2014: Rapid development of brood-parasitic cuckoo embryos cannot be explained by increased gas exchange through the eggshell.
Journal of Zoology 293(4): 219–226. (doi: 10.1111/jzo.12144)
(with cover)

Hauber M. E., Samaš P., Anderson M. G., Rutila J., Low J., Cassey P. & Grim T. 2014: Life-history theory predicts host behavioural responses to experimental brood parasitism.
Ethology Ecology & Evolution 26(4): 349–364. (doi: 10.1080/03949370.2013.851121)

Trnka A. & Grim T. 2014: Testing for correlations between behaviours in a cuckoo host: why do host defences not covary?
Animal Behaviour 92(6): 185–193. (doi: 10.1016/j.anbehav.2014.04.006)

Grim T., Samaš P. & Hauber M. E. 2014: The repeatability of avian egg ejection behaviors across different temporal scales, breeding stages, female ages and experiences.
Behavioral Ecology and Sociobiology 68(5): 749–759. (doi: 10.1007/s00265-014-1688-9)

Trnka A. & Grim T. 2014: Dynamic risk assessment: does a nearby breeding nest predator affect nest defence of its potential victim?
Journal of Ethology 32(2): 103–110. (doi: 10.1007/s10164-014-0400-x)

Samas P., Hauber M. E., Cassey P. & Grim T. 2014: Host responses to interspecific brood parasitism: a by-product of adaptations to conspecific parasitism?
Frontiers in Zoology 11(5): 34. (doi: 10.1186/1742-9994-11-34) (Open Access)

Vaicenbacher L., Grim T. & Greeney H. F. 2014: The nest and eggs of black-throated flowerpiercer Diglossa brunneiventris.
Cotinga 36: 56–57. (doi: –)


Samaš P., Heryán J. & Grim T. 2013: How does urbanization affect dispersal in Eurasian blackbirds (Turdus merula)?
Sylvia 49: 21–38. (doi: –) (in Czech, summary in English) (Open Access) 

Møller A. P., Grim T., Ibáñez-Álamo J. D., Markó G. & Tryjanowski, P. 2013: Change in flight initiation distance between urban and rural habitats following a cold winter.
Behavioral Ecology 24(5): 1211–1217. (doi: 10.1093/beheco/art054)

Polačiková L., Takasu F., Stokke B. G., Moksnes A., Røskaft E., Cassey P., Hauber M. E. & Grim T. 2013: Egg arrangement in avian clutches covaries with the rejection of foreign eggs.
Animal Cognition 16(5): 819–828. (doi: 10.1007/s10071-013-0615-1)

Covered by Scientific American

Samaš P., Grim T., Hauber M. E., Cassey P., Weidinger K. & Evans K. L. 2013: Ecological predictors of reduced avian reproductive investment in the southern hemisphere.
Ecography 36(7): 809–818. (doi: 10.1111/j.1600-0587.2012.07927.x)

Yang C., Stokke B. G., Antonov A., Cai Y., Shi S., Moksnes A., Røskaft E., Møller A. P., Liang W. & Grim T. 2013: Host selection in parasitic birds: are open-cup nesting insectivorous passerines always suitable cuckoo hosts?
Journal of Avian Biology 44(3): 216–220. (doi: 10.1111/j.1600-048X.2013.00123.x)

Díaz M., Møller A. P., Flensted-Jensen E., Grim T., Ibáñez-Álamo J. D., Jokimäki J., Markó G. & Tryjanowski P. 2013: The geography of fear: a latitudinal gradient in anti-predator escape distances of birds across Europe.
PLoS ONE 8(5): e64634. (doi: 10.1371/journal.pone.0064634) (Open Access)

Trnka A. & Grim T. 2013: Color plumage polymorphism and predator mimicry in brood parasites.
Frontiers in Zoology 10(5): 25. (doi: 10.1186/1742-9994-10-25) (Open Access)

Grim T. 2013: Mimicry, signalling, and co-evolution. (Invited commentary)
Ethology 119(4): 270–277. (doi: 10.1111/eth.12067)

Trnka A. & Grim T. 2013: To compensate or not to compensate: testing the negotiation model in the context of nest defence.
Behavioral Ecology 24(1): 223–228. (doi: 10.1093/beheco/ars157)


Samaš P., Polačiková L., Hauber M. E., Cassey P. & Grim T. 2012: Egg rejection behaviour and clutch characteristics of the European Greenfinch introduced to New Zealand.
Chinese Birds 3(4): 330–338. (doi: 10.5122/cbirds.2012.0037)

Cassey P., Mikšík I., Portugal S. J., Maurer G., Ewen J. G., Zarate E., Sewell M. A., Karadas F., Grim T. & Hauber M. E. 2012: Avian eggshell pigments are not consistently correlated with colour measurements or egg constituents in two Turdus thrushes.
Journal of Avian Biology 43(6): 503–512. (doi: 10.1111/j.1600-048X.2012.05576.x)

Møller A. P., Diaz M., Flensted-Jensen E., Grim T., Ibáñez-Álamo J. D., Jokimäki J., Mänd R., Markó G. & Tryjanowski P. 2012: High urban population density of birds reflects their timing of urbanization.
Oecologia 170(3): 867–875. (doi: 10.1007/s00442-012-2355-3)

Grim T. 2012: Leisler B. & Schulze-Hagen K. 2011: The reed warblers. Diversity in a uniform bird family. (Book review)
Auk 129(3): 566–567. (doi: 10.1525/auk.2012.129.3.566)

Cassey P., Thomas G. H., Portugal S. J., Maurer G., Hauber M. E., Grim T., Lovell P. G. & Mikšík I. 2012: Why are birds’ eggs colourful? Eggshell pigments co-vary with life history and nesting ecology among British breeding non-passerine birds.
Biological Journal of the Linnean Society 106(3): 657–672. (doi: 10.1111/j.1095-8312.2012.01877.x)

Grim T. 2012: Šťastný, K. & Hudec, K. (eds.) Fauna ČR. Ptáci. Volume 3, Parts I and II. (Book review)
Ibis 154(3): 650–651. (doi: 10.1111/j.1474-919X.2012.01249.x)

Trnka A., Prokop P. & Grim T. 2012: Uncovering dangerous cheats: how do avian hosts recognize adult brood parasites?
PLoS ONE 7(5): e37445. (doi: 10.1371/journal.pone.0037445) (Open Access)

Igic B., Cassey P., Grim T., Greenwood D. R., Moskát C., Rutila J. & Hauber M. E. 2012: A shared chemical basis of avian host–parasite egg colour mimicry.
Proceedings of the Royal Society of London Series B 279(1731): 1068–1076. (doi: 10.1098/rspb.2011.1718)


Grim T. 2011: Ornithology: a science for everyone? (Invited commentary)
Tichodroma 23: 115–125. (doi: –) (in Czech, summary in English) (Open Access)

Igic B., Braganza K., Hyland M. M., Silyn-Roberts H., Cassey P., Grim T., Rutila J., Moskát C. & Hauber M. E. 2011: Alternative mechanisms of increased eggshell hardness of avian brood parasites relative to host species.
Journal of the Royal Society Interface 8(64): 1654–1664. (doi: 10.1098/rsif.2011.0207)

Polačiková L., Hauber M. E., Procházka P., Cassey P., Honza M. & Grim T. 2011: A sum of its individual parts? Relative contributions of different eggshell regions to intraclutch variation in birds.
Journal of Avian Biology 42(4): 370–373. (doi: 10.1111/j.1600-048X.2011.05202.x)

Samaš P., Hauber M. E., Cassey P. & Grim T. 2011: Repeatability of foreign egg rejection: testing the assumptions of co-evolutionary theory.
Ethology 117(7): 606–619. (doi: 10.1111/j.1439-0310.2011.01917.x)

Grim T. 2011: Ejecting chick cheats: a changing paradigm?
Frontiers in Zoology 8(6): 14. (doi: 10.1186/1742-9994-8-14) (Open Access)

Grim T., Samaš P., Moskát C., Kleven O., Honza M., Moksnes A., Røskaft E. & Stokke B. G. 2011: Constraints on host choice: why do parasitic birds rarely exploit some common potential hosts?
Journal of Animal Ecology 80(3): 508–518. (doi: 10.1111/j.1365-2656.2010.01798.x)


Igic B., Hauber M. E., Galbraith J. A., Grim T., Dearborn D. C., Brennan P. L. R., Moskát C., Choudhary P. K. & Cassey P. 2010: Comparison of micrometer- and scanning electron microscope-based measurements of avian eggshell thickness.
Journal of Field Ornithology 81(4): 402–410. (doi: 10.1111/j.1557-9263.2010.00296.x)

Polačiková L. & Grim T. 2010: Blunt egg pole holds cues for alien egg discrimination: experimental evidence.
Journal of Avian Biology 41(2): 111–116. (doi: 10.1111/j.1600-048X.2010.04983.x)

Igic B., Greenwood D. R., Palmer D. J., Cassey P., Gill B. J., Grim T., Brennan P. L. R., Bassett S. M., Battley P. F. & Hauber M. E. 2010: Detecting pigments from colourful eggshells of extinct birds.
Chemoecology 20(1): 43–48. (doi: 10.1007/s00049-009-0038-2)


Igic B., Cassey P., Samaš P., Grim T. & Hauber M. E. 2009: Cigarette butts form a perceptually cryptic component of song thrush Turdus philomelos nests.
Notornis 56(3): 134–138. (doi: –)

Anderson M. G., Moskát C., Bán M., Grim T., Cassey P. & Hauber M. E. 2009: Egg eviction imposes a recoverable cost of virulence in chicks of a brood parasite.
PLoS ONE 4(11): e7725. (doi: 10.1371/journal.pone.0007725) (Open Access)

Covered by Česká televize, TV NovaOlomoucký deníkPrávo, TýdenČeský rozhlas, ...

Grim T. 2009: Ridgely R. S. & Tudor G. 2009: Field Guide to the Songbirds of South America. The Passerines; Rodriguez Mata J. R., Erize F. & Rumboll M. 2006: A Field Guide to the Birds of South America: Non-Passerines: From rheas to woodpeckers. (Book review).
Sylvia 45: 167–170. (doi: –) (in Czech, summary in English) (Open Access)

Grim T., Rutila J., Cassey P. & Hauber M. E. 2009: The cost of virulence: an experimental study of egg eviction by brood parasitic chicks.
Behavioral Ecology 20(5): 1138–1146. (doi: 10.1093/beheco/arp108)
Supplementary video (see also this video)

Grim T. 2009: The “beer vs. science” affair: illuminating drawbacks of current ecology. (Invited commentary)
Web Ecology 9: 24–29. (doi: –) (Open Access)

Grim T., Rutila J., Cassey P. & Hauber M. E. 2009: Experimentally constrained virulence is costly for common cuckoo chicks.
Ethology 115(1): 14–22. (doi: 10.1111/j.1439-0310.2008.01574.x)


Grim T. 2008: Begging behavior of the fledgling rusty-breasted cuckoo (Cacomantis sepulcralis).
Wilson Journal of Ornithology 120(4): 887–890. (doi: 10.1676/07-145.1)

Cassey P., Honza M., Grim T. & Hauber M. E. 2008: The modelling of avian visual perception predicts behavioural rejection responses to variable egg colours.
Biology Letters 4(5): 515–517. (doi: 10.1098/rsbl.2008.0279)

Covered by Current Biology, New Zealand HeraldHRC News, Mindfood

Grim T. 2008: A possible role of social activity to explain differences in publication output among ecologists.
Oikos 117(4): 484–487. (doi: 10.1111/j.2008.0030-1299.16551.x)

Covered by The New York Times, The Wall Street JournalDie Zeit, TelegraphFaculty of 1000, Nature BlogsNew ScientistThe ScientistNull Hypothesis – The Journal of Unlikely ScienceThe Prague Post, RespektČeská televize, Lidovky, PrávoVTM ScienceŽiva (interview)NEWSLETTER (interview) etc., also nominated for an Ig Nobel prize: aimed at research projects which "first make people laugh, and then make them think".

Grim T. 2008: Are blackcaps (Sylvia atricapilla) defending their nests also calling for help from their neighbours?
Journal of Ornithology 149(2): 169–180. (doi: 10.1007/s10336-007-0257-7)

Grim T. 2008: Wing-shaking and wing-patch as nestling begging strategies: their importance and evolutionary origins. (Review paper)
Journal of Ethology 26(1): 9–15. (doi: 10.1007/s10164-007-0037-0)
Supplementary video


Straka O. & Grim T. 2007: Nest site selection in the Kingfisher (Alcedo atthis).
Sylvia 43: 109–122. (doi: –) (in Czech, summary in English) (Open Access)

Krist M. & Grim T. 2007: Are blue eggs a sexually selected signal of female collared flycatchers? A cross-fostering experiment.
Behavioral Ecology and Sociobiology 61(6): 863–876. (doi: 10.1007/s00265-006-0315-9)

Grim T. 2007: Equal rights for chick brood parasites.
Annales Zoologici Fennici 44(1): 1–7. (doi: –)

Grim T. 2007: Experimental evidence for chick discrimination without recognition in a brood parasite host.
Proceedings of the Royal Society of London Series B 274(1608): 373–381. (doi: 10.1098/rspb.2006.3731)

Covered by Trends in Ecology and Evolution 


Grim T. 2006: Low virulence of brood parasitic chicks: adaptation or constraint?
Ornithological Science 5(2): 237–242. (doi: 10.2326/1347-0558(2006)5[237:LVOBPC]2.0.CO;2)

Grim T. 2006: Cuckoo growth performance in parasitized and unused hosts: not only host size matters.
Behavioral Ecology and Sociobiology 60(5): 716–723. (doi: 10.1007/s00265-006-0215-z)

Grim T. 2006: Avian foraging studies: an overlooked source of distribution data for macroecological and conservation studies.
Diversity and Distributions 12(5): 630–632. (doi: 10.1111/j.1366-9516.2006.00251.x)

Grim T. 2006: The evolution of nestling discrimination by hosts of parasitic birds: why is rejection so rare? (Review paper)
Evolutionary Ecology Research 8(5): 785–802. (doi: –)

Grim T. 2006: An exceptionally high diversity of hoverflies (Syrphidae) in the food of the reed warbler (Acrocephalus scirpaceus).
Biologia 61(1): 235–239. (doi: 10.2478/s11756-006-0036-6)

Grim T. & Šumbera R. 2006: A new record of the endangered white-winged nightjar (Eleothreptus candicans) from Beni, Bolivia.
Wilson Journal of Ornithology 118(1): 109–112. (doi: 10.1676/04-129.1)


Matysioková B. & Grim T. 2005: Who determines length of the nestling period in open nesting passerines: parents or offspring?
Sylvia 41: 35–49. (doi: –) (in Czech, summary in English) (Open Access)

Grim T. & Vermouzek Z. 2005: Mayer S. 2000: Birds of Bolivia; Scharringa J. 2001: Birds of Tropical Asia; Krabbe N. & Nilsson J. 2003: Birds of Ecuador (CD & DVD review).
Sylvia 41: 147–150. (doi: –) (in Czech, summary in English) (Open Access)

Grim T. 2005: Host recognition of brood parasites: implications for methodology in studies of enemy recognition.
Auk 122(2): 530–543. (doi: 10.1642/0004-8038(2005)122[0530:HROBPI]2.0.CO;2)

Grim T. 2005: Mimicry vs. similarity: which resemblances between brood parasites and their hosts are mimetic and which are not? (Review paper)
Biological Journal of the Linnean Society 84(1): 69–78. (doi: 10.1111/j.1095-8312.2005.00414.x)


Matysioková B. & Grim T. 2004: Další výskyt ústřičníka velkého (Haematopus ostralegus) v hnízdním období na Dunaji.
Tichodroma 16: 75–76. (doi: –) (in Czech, summary in English) (Open Access)

Honza M., Grim T., Čapek M., Moksnes A. & Røskaft E. 2004: Nest defence, enemy recognition and nest inspection behaviour of experimentally parasitised reed warblers Acrocephalus scirpaceus.
Bird Study 51(3): 256–263. (doi: 10.1080/00063650409461361)


Grim T., Kleven O. & Mikulica O. 2003: Nestling discrimination without recognition: a possible defence mechanism for hosts towards cuckoo parasitism?
Proceedings of the Royal Society of London Series B 270: S73–S75. (doi: 10.1098/rsbl.2003.0017)


Grim T. 2002: Veselovský Z. 2001: Obecná ornitologie (Book review).
Sylvia 38: 137–139. (doi: –) (in Czech, summary in English) (Open Access)

Grim T. 2002: Why is mimicry in cuckoo eggs sometimes so poor?
Journal of Avian Biology 33(3): 302–305. (doi: 10.1034/j.1600-048X.2002.330312.x)


Grim T. & Honza M. 2001: Differences in behaviour of closely related thrushes (Turdus philomelos and T. merula) to experimental parasitism by the common cuckoo Cuculus canorus.
Biologia 56(5): 549–556. (doi: –)

Honza M., Picman J., Grim T., Novák V., Čapek M. & Mrlík V. 2001: How to hatch from an egg of great structural strength. A study of the common cuckoo.
Journal of Avian Biology 32(3): 249–255. (doi: 10.1111/j.0908-8857.2001.320307.x)

Grim T. 2001: Davies 2000: Cuckoos, cowbirds and other cheats. (Book review)
Folia Zoologica 50(1): 26. (doi: –)

Grim T. 2001: Rothstein & Robinson (eds.) 1998: Parasitic birds and their hosts. Studies in coevolution. (Book review)
Folia Zoologica 50(1): 18.

Grim T. & Honza M. 2001: Does supernormal stimulus influence parental behaviour of the cuckoo’s host?
Behavioral Ecology and Sociobiology 49(4): 322–329. (doi: 10.1007/s002650000295)


Grim T. 2000: An interesting observation of redirected activity in the song thrush (Turdus philomelos).
Sylvia 36(2): 161–163. (doi: –) (in Czech, summary in English) (Open Access)


Grim T. 1999: Food of great reed warbler (Acrocephalus arundinaceus) young.
Sylvia 35(2): 93–99. (doi: –) (in Czech, summary in English) (Open Access)


Grim T. & Honza M. 1997: Differences in parental care of reed warbler (Acrocephalus scirpaceus) in its own nestlings and parasitic cuckoo (Cuculus canorus) chicks.
Folia Zoologica 46(2): 135–142.


Grim T. & Honza M. 1996: Effect of habitat on the diet of reed warbler (Acrocephalus scirpaceus) nestlings.
Folia Zoologica 45(1): 31–34. (doi: –) (Open Access)


Grim T. 1995: Pozorování potáplice lední Gavia immer u Pasohlávek.
Zprávy ČSO 41: 11.


Grim T. 1992: Zahnízdění slavíka modráčka středoevropského Luscinia svecica cyanecula Meisner, 1804 na Českomoravské vrchovině.
Moravský ornitolog 1992(3): 15–16.


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