Species' geographical distributions and abundances are a central focus of current ecological research. Although multiple studies have been conducted on their elucidation, some important information is still missing. One of them is the knowledge of ecological traits of species responsible for the population density variations across geographical (i.e., total physical area) and ecological spaces (i.e., suitable habitat area). This is crucial for understanding how ecological specialization shapes the geographical distribution of species, and provides key knowledge about the sensitivity of species to current environmental challenges. Here, we precisely describe habitat availability for individual species using fine-scale field data collected across the entire Czech Republic. In the next step, we used this information to test the relationships between bird traits and country-scale estimates of population densities assessed in both geographical and ecological spaces. We did not find any effect of habitat specialization on avian density in geographical space. But when we recalculated densities for ecological space available, we found a positive correlation with habitat specialization. Specialists occur at higher densities in suitable habitats. Moreover, birds with arboreal and hole-nesting strategies showed higher densities in both geographical and ecological spaces. However, we found no significant effects of morphological (body mass and structural body size) and reproductive (position along the slow-fast life-history continuum) traits on avian densities in either geographical or ecological space. Our findings suggest that ecological space availability is a strong determinant of avian abundance and highlight the importance of precise knowledge of species-specific habitat requirements. Revival of this classical but challenging ecological topic of habitat-specific densities is needed for both proper understanding of pure ecological issues and practical steps in the conservation of nature.

Czech Society for Ornithology Prague Czech Republic

Department of Ecology Faculty of Science Charles University Prague Czech Republic

Department of Zoology Faculty of Science Palacký University Olomouc Czech Republic

Institute of Environmental Sciences Faculty of Science Charles University Prague Czech Republic

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Alerstam, T. , & Högstedt, G. (1981). Evolution of hole‐nesting in birds. Ornis Scandinavica, 12, 188–193.

Andrews, R. (1979). Evolution of life histories: A comparison of Anolis lizards from matched Island and mainland habitats. Breviora, 454, 1–51.

Arita, H. T. (1993). Rarity in neotropical bats: Correlations with phylogeny, diet, and body mass. Ecological Applications, 3, 506–517. PubMed

Barnagaud, J. Y. , Devictor, V. , Jiguet, F. , & Archaux, F. (2011). When species become generalists: On‐going large‐scale changes in bird habitat specialization. Global Ecology and Biogeography, 20, 630–640.

Barton, K. (2020). Mu‐MIn: Multi‐model inference. R package version 0.12. 2/r18. 2009.

BirdLife International . (2014). IUCN Red List for birds. Retrieved from http://birdlife.org

Blackburn, T. M. , & Gaston, K. J. (1996). Abundance‐body size relationships: The area you census tells you more. Oikos, 75, 303–309.

Blackburn, T. M. , & Lawton, J. H. (1994). Population abundance and body‐size in animal assemblages. Philosophical Transactions of the Royal Society of London Series B‐Biological Sciences, 343, 33–39.

Blackburn, T. M. , Lawton, J. H. , & Gregory, R. D. (1996). Relationships between abundances and life histories of British birds. Journal of Animal Ecology, 65, 52–62.

Blondel, J. (2000). Evolution and ecology of birds on islands: Trends and prospects. Vie Et Milieu‐Life and Environment, 50, 205–220.

Böhning‐Gaese, K. , & Oberrath, R. (2001). Which factors influence the abundance and range size of Central European birds. Avian Science, 1, 43–54.

Borregaard, M. K. , & Rahbek, C. (2010). Causality of the relationship between geographic distribution and species abundance. The Quarterly Review of Biology, 85, 3–25. PubMed

Brändle, M. , Prinzing, A. , Pfeifer, R. , & Brandl, R. (2002). Dietary niche breadth for central European birds: Correlations with species‐specific traits. Evolutionary Ecology Research, 4, 643–657.

Brown, J. H. (1984). On the relationship between abundance and distribution of species. The American Naturalist, 124, 255–279.

Brown, J. H. (1995). Macroecology. University of Chicago Press.

Buckland, S. T. , Anderson, D. R. , Burnham, K. P. , Laake, J. L. , Borchers, D. L. , & Thomas, L. (2001). Introduction to distance sampling: Estimating abundance of biological populations. Oxford University Press.

Buckley, L. B. , & Jetz, W. (2007). Insularity and the determinants of lizard population density. Ecology Letters, 10, 481–489. PubMed

Burhans, D. E. , Dearborn, D. , Thompson, F. R., III , & Faaborg, J. (2002). Factors affecting predation at songbird nests in old fields. The Journal of Wildlife Management, 66, 240–249.

Burnham, K. P. , & Anderson, D. R. (1998). Practical use of the information‐theoretic approach. In Model selection and inference (pp. 75–117). Springer.

Carbone, C. , & Gittleman, J. L. (2002). A common rule for the scaling of carnivore density. Science, 295, 2273–2276. PubMed

Clavel, J. , Julliard, R. , & Devictor, V. (2010). Worldwide decline of specialist species: Toward a global functional homogenization? Frontiers in Ecology and the Environment, 9, 222–228.

Coe, M. J. , Cumming, D. H. , & Phillipson, J. (1976). Biomass and production of large African herbivores in relation to rainfall and primary production. Oecologia, 22, 341–354. PubMed

Cofre, H. L. , Böhning‐Gaese, K. , & Marquet, P. A. (2007). Rarity in Chilean forest birds: Which ecological and life‐history traits matter? Diversity and Distributions, 13, 203–212.

Cotgreave, P. (1993). The relationship between body‐size and population abundance in animals. Trends in Ecology & Evolution, 8, 244–248. PubMed

Cotgreave, P. (1995). Population‐density, body‐mass and niche overlap in Australian birds. Functional Ecology, 9, 285–289.

De Almeida‐Rocha, J. M. , Monsalvo, J. A. B. , & Oliveira, L. D. C. (2019). Diet specialisation reduces the occupancy of cocoa agroforests by diurnal raptors. Bird Conservation International, 29, 558–574.

Desrochers, R. E. , Kerr, J. T. , & Currie, D. J. (2011). How, and how much, natural cover loss increases species richness. Global Ecology and Biogeography, 20, 857–867.

Devictor, V. , Clavel, J. , Julliard, R. , Lavergne, S. , Mouillot, D. , Thuiller, W. , Venail, P. , Villeger, S. , & Mouquet, N. (2010). Defining and measuring ecological specialization. Journal of Applied Ecology, 47, 15–25.

Djomo Nana, E. , Sedláček, O. , Bayly, N. , Ferenc, M. , Albrecht, T. , Reif, J. , Motombi, F. N. , & Hořák, D. (2014). Comparison of avian assemblage structures in two upper montane forests of the Cameroon volcanic line: Lessons for bird conservation. Biodiversity and Conservation, 23, 1469–1484.

Elton, C. (1932). Territory among wood ants (Formica rufa L.) at Picket Hill. The Journal of Animal Ecology, 1, 69–76.

Elton, C. (1933). The ecology of animals. Methuen & Co., Ltd.

Ferenc, M. , Fjeldså, J. , Sedláček, O. , Motombi, F. N. , Djomo Nana, E. , Mudrová, K. , & Hořák, D. (2016). Abundance‐area relationships in bird assemblages along an Afrotropical elevational gradient: Space limitation in montane forest selects for higher population densities. Oecologia, 181, 225–233. PubMed

Gaston, K. J. , Blackburn, T. M. , & Gregory, R. D. (2001). Does variation in census area confound density comparisons? Journal of Applied Ecology, 36, 191–204.

Gaston, K. J. , & Kunin, W. E. (Eds.), (1997). Rare—Common differences: An overview. The biology of rarity. Population and Community Biology Series (Vol. 17, pp. 12–29). Springer.

Greenwood, J. J. D. , Gregory, R. D. , Harris, S. , Morris, P. A. , & Yalden, D. W. (1996). Relations between abundance, body size and species number in British birds and mammals. Philosophical Transactions of the Royal Society B: Biological Sciences, 351, 265–278.

Gregory, R. D. , & Blackburn, T. M. (1995). Abundance and body‐size in British birds ‐ reconciling regional and ecological densities. Oikos, 72, 151–154.

Gregory, R. D. , & Gaston, K. J. (2000). Explanations of commonness and rarity in British breeding birds: Separating resource use and resource availability. Oikos, 88, 515–526.

Gregory, R. D. , Noble, D. G. , & Custance, J. (2004). The state of play of farmland birds: Population trends and conservation status of lowland farmland birds in the United Kingdom. Ibis, 146, 1–13.

Gregory, R. D. , Vorisek, P. , Van Strien, A. , Meyling, A. W. G. , Jiguet, F. , Fornasari, L. , Reif, J. , Chylarecki, P. , & Burfield, I. J. (2007). Population trends of widespread woodland birds in Europe. Ibis, 149, 78–97.

Grinnell, J. (1917). The niche‐relationships of the California thrasher. The Auk, 34, 427–433.

Hahn, I. J. , Vergara, P. M. , & Romer, U. (2011). Habitat selection and population trends in terrestrial bird species of Robinson Crusoe Island: Habitat generalists versus forest specialists. Biodiversity and Conservation, 20, 2797–2813.

Hanzelka, J. , & Reif, J. (2015). Responses to the black locust (Robinia pseudoacacia) invasion differ between habitat specialists and generalists in central European forest birds. Journal of Ornithology, 156, 1015–1024.

Hatton, I. A. , Dobson, A. P. , Storch, D. , Galbraith, E. D. , & Loreau, M. (2019). Linking scaling laws across eukaryotes. Proceedings of the National Academy of Sciences of the United States of America, 116, 21616–21622. PubMed PMC

Heldbjerg, H. , Sunde, P. , & Fox, A. D. (2017). Continuous population declines for specialist farmland birds 1987–2014 in Denmark indicates no halt in biodiversity loss in agricultural habitats. Bird Conservation International, 28, 278–292.

Herrera, C. M. (1978). Ecological correlates of residence and non‐residence in a Mediterranean passerine bird community. Journal of Animal Ecology, 47, 871–890.

Hořák, D. , Sedláček, O. , Reif, J. , Riegert, J. , & Pešata, M. (2010). When savannah encroaches on the forest: Thresholds in bird‐habitat associations in the Bamenda highlands, Cameroon. African Journal of Ecology, 48, 822–827.

Huhta, E. , Jokimäki, J. , & Helle, P. (1998). Predation on artificial nests in a forest dominated landscape–the effects of nest type, patch size and edge structure. Ecography, 21, 464–471.

Inger, R. , Gregory, R. , Duffy, J. P. , Stott, I. , Voříšek, P. , & Gaston, K. J. (2015). Common European birds are declining rapidly while less abundant species' numbers are rising. Ecology Letters, 18, 28–36. PubMed

Jetz, W. , Carbone, C. , Fulford, J. , & Brown, J. H. (2004). The scaling of animal space use. Science, 306, 266–268. PubMed

Jetz, W. , Thomas, G. H. , Joy, J. B. , Hartmann, K. , & Mooers, A. O. (2012). The global diversity of birds in space and time. Nature, 491, 444–448. PubMed

Jiguet, F. , Gadot, A. S. , Julliard, R. , Newson, S. E. , & Couvet, D. (2007). Climate envelope, life history traits and the resilience of birds facing global change. Global Change Biology, 13, 1672–1684.

Johnson, D. H. (2008). In defense of indices: The case of bird surveys. The Journal of Wildlife Management, 72, 857–868.

Julliard, R. , Clavel, J. , Devictor, V. , Jiguet, F. , & Couvet, D. (2006). Spatial segregation of specialists and generalists in bird communities. Ecology Letters, 9, 1237–1244. PubMed

Julliard, R. , Jiguet, F. , & Couvet, D. (2004). Common birds facing global changes: What makes a species at risk? Global Change Biology, 10, 148–154.

Keinath, D. A. , Doak, D. F. , Hodges, K. E. , Prugh, L. R. , Fagan, W. , Sekercioglu, C. H. , Buchart, S. H. M. , & Kauffman, M. (2017). A global analysis of traits predicting species sensitivity to habitat fragmentation. Global Ecology and Biogeography, 26, 115–127.

Korpimäki, E. (1992). Diet composition, prey choice, and breeding success of long‐eared owls: Effects of multiannual fluctuations in food abundance. Canadian Journal of Zoology, 70, 2373–2381.

Kouki, J. , & Hayrinen, U. (1991). On the relationship between distribution and abundance in birds breeding on Finnish mires ‐ the effect of habitat specialization. Ornis Fennica, 68, 170–177.

Lack, D. (1933). Habitat selection in birds. With special reference to the effects of afforestation on the Breckland avifauna. The Journal of Animal Ecology, 2, 239.

Lack, D. (1954) The natural regulation of animal numbers. Claredon Press.

Laube, I. , Korntheuer, H. , Schwager, M. , Trautmann, S. , Rahbek, C. , & Bohning‐Gaese, K. (2013). Towards a more mechanistic understanding of traits and range sizes. Global Ecology and Biogeography, 22, 233–241.

Lehikoinen, A. , Rintala, J. , Lammi, E. , & Pöysä, H. (2016). Habitat‐specific population trajectories in boreal waterbirds: Alarming trends and bioindicators for wetlands. Animal Conservation, 19, 88–95.

MacArthur, R. H. (1984). Geographical ecology: Patterns in the distribution of species. Princeton University Press.

MacArthur, R. H. , Diamond, J. M. , & Karr, J. R. (1972). Density compensation in Island faunas. Ecology, 53, 330–342.

Manne, L. L. , & Pimm, S. L. (2001). Beyond eight forms of rarity: Which species are threatened and which will be next? Animal Conservation, 4, 221–229.

Marone, L. , Olmedo, M. , Valdes, D. Y. , Zarco, A. , de Casenave, J. L. , & Pol, R. G. (2017). Diet switching of seed‐eating birds wintering in grazed habitats of the Central Monte Desert, Argentina. Condor, 119, 673–682.

Martin, T. E. (1993). Nest predation and nest sites. Bioscience, 43, 523–532.

Matthews, T. J. , Cottee‐Jones, H. E. , & Whittaker, R. J. (2014). Habitat fragmentation and the species‐area relationship: A focus on total species richness obscures the impact of habitat loss on habitat specialists. Diversity and Distributions, 20, 1136–1146.

Mertes, K. , Jarzyna, M. A. , & Jetz, W. (2020). Hierarchical multi‐grain models improve descriptions of species' environmental associations, distribution, and abundance. Ecological Applications, 30, e02117. PubMed

Nice, M. M. (1957). Nesting success in altricial birds. The Auk, 74, 305–321.

Norvell, R. E. , Howe, F. P. , & Parrish, J. R. (2003). A seven‐year comparison of relative‐abundance and distance‐sampling methods. The Auk, 120, 1013–1028.

Paradis, E. , & Schliep, K. (2019). Ape 5.0: An environment for modern phylogenetics and evolutionary analyses in R. Bioinformatics, 35, 526–528. PubMed

Pearce‐Higgins, J. W. , Eglington, S. M. , Martay, B. , & Chamberlain, D. E. (2015). Drivers of climate change impacts on bird communities. Journal of Animal Ecology, 84, 943–954. PubMed

Peters, R. H. , & Wassenberg, K. (1983). The effect of body size on animal abundance. Oecologia, 60, 89–96. PubMed

Pettorelli, N. , Bro‐Jorgensen, J. , Durant, S. M. , Blackburn, T. , & Carbone, C. (2009). Energy availability and density estimates in African ungulates. The American Naturalist, 173, 698–704. PubMed

Pinheiro, J. , Bates, D. , DebRoy, S. , Sarkar, D. , & R Core Team (2020). nlme: Linear and nonlinear mixed effects models . R package version 3.1‐145. https://CRAN.R‐project.org/package=nlme

Pulliam, H. R. (1985). Foraging efficiency, resource partitioning, and the coexistence of sparrow species. Ecology, 66, 1829–1836.

Purvis, A. , Gittleman, J. L. , Cowlishaw, G. , & Mace, G. M. (2000). Predicting extinction risk in declining species. Proceedings of the Royal Society: Biological sciences, 267, 1947–1952. PubMed PMC

R Core Team . (2021). R: A language and environment for statistical computing . https://www.R‐project.org/

Rahbek, C. , Borregaard, M. K. , Colwell, R. K. , Dalsgaard, B. , Holt, B. G. , Morueta‐Holme, N. , Nogues‐Bravo, D. , Whittaker, R. J. , & Fjeldsa, J. (2019). Humboldt's enigma: What causes global patterns of mountain biodiversity? Science, 365, 1108–1113. PubMed

Reif, J. , & Hanzelka, J. (2020). Continent‐wide gradients in open‐habitat insectivorous bird declines track spatial patterns in agricultural intensity across Europe. Global Ecology and Biogeography, 29, 1988–2013.

Reif, J. , Hořák, D. , Krištín, A. , Kopsová, L. , & Devictor, V. (2016). Linking habitat specialization with species' traits in European birds. Oikos, 125, 405–413.

Reif, J. , Hořák, D. , Sedláček, O. , Riegert, J. , Pešata, M. , Hrázský, Z. , Janeček, Š. , & Storch, D. (2006). Unusual abundance? Range size relationship in an Afromontane bird community: The effect of geographical isolation? Journal of Biogeography, 33, 1959–1968.

Revell, L. J. (2012). phytools: An R package for phylogenetic comparative biology (and other things). Methods in Ecology and Evolution, 3, 217–223.

Ricklefs, R. E. (2013). Habitat‐independent spatial structure in populations of some forest birds in eastern North America. The Journal of Animal Ecology, 82, 145–154. PubMed

Rivas‐Salvador, J. , Hořák, D. , & Reif, J. (2019). Spatial patterns in habitat specialization of European bird communities. Ecological Indicators, 105, 57–69.

Rodda, G. H. , & Dean‐Bradley, K. (2002). Excess density compensation of Island herpetofaunal assemblages. Journal of Biogeography, 29, 623–632.

Royle, J. A. (2004a). Generalized estimators of avian abundance from count survey data. Animal Biodiversity and Conservation, 27, 375–386.

Royle, J. A. (2004b). N‐mixture models for estimating population size from spatially replicated counts. Biometrics, 60, 108–115. PubMed

Sæther, B.‐E. , & Saether, B.‐E. (1987). The influence of body weight on the covariation between reproductive traits in European birds. Oikos, 48, 79.

Schulze, E. D. , Craven, D. , Durso, A. M. , Reif, J. , Guderle, M. , Kroiher, F. , Hennig, P. , Weiserbs, A. , Schall, P. , & Ammer, C. (2019). Positive association between forest management, environmental change, and forest bird abundance. Forest Ecosystems, 6, 1–12.

Söderström, B. (1999). Artificial nest predation rates in tropical and temperate forests: A review of the effects of edge and nest site. Ecography, 22, 455–463.

Šťastný, K. , Bejček, V. , & Hudec, K. (2006). Atlas hnízdního rozšíření ptáků v České republice 2001–2003.

Stephens, P. A. , Vieira, M. V. , Willis, S. G. , & Carbone, C. (2019). The limits to population density in birds and mammals. Ecology Letters, 22, 654–663. PubMed PMC

Storch, D. , Bohdalková, E. , & Okie, J. (2018). The more‐individuals hypothesis revisited: The role of community abundance in species richness regulation and the productivity‐diversity relationship. Ecology Letters, 21, 920–937. PubMed

Storchová, L. , & Hořák, D. (2018). Life‐history characteristics of European birds. Global Ecology and Biogeography, 27, 400–406.

Symonds, M. R. E. , & Johnson, C. N. (2006). Determinants of local abundance in a major radiation of Australian passerines (Aves: Meliphagoidea). Journal of Biogeography, 33, 794–802.

Tellería, J. L. , Santos, T. , Sánchez, A. , & Galarza, A. (2009). Habitat structure predicts bird diversity distribution in Iberian forests better than climate. Bird Study, 39, 63–68.

Tobias, J. A. , Ottenburghs, J. , & Pigot, A. L. (2020). Avian diversity: Speciation, macroevolution, and ecological function. Annual Review of Ecology, Evolution, and Systematics, 51, 533–560.

Voříšek, P. , Klvaňová, A. , Wotton, S. , & Gregory, R.D. (2008) A best practice guide for wild bird monitoring schemes. CSO/RSPB.

Whittaker, R. H. (1960). Vegetation of the Siskiyou Mountains, Oregon and California. Ecological Monographs, 30, 280–338.

Whittaker, R. H. (1965). Dominance and Diversity in Land Plant Communities: Numerical relations of species express the importance of competition in community function and evolution. Science, 147, 250–260. PubMed

Yahner, R. H. , & Cypher, B. L. (1987). Effects of nest location on depredation of artificial arboreal nests. The Journal of Wildlife Management, 51, 178–181.

Long-term population trends of 48 urban bird species correspond between urban and rural areas

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