Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 35 checked references that resolve
resolves10.2307/1369210Nesting Mortality of Carolina Chickadees Breeding in Natural Cavities
resolves10.3161/068.040.0105Nest-site Characteristics of Hole-Nesting Birds in a Primeval Boreal Forest of Mongolia
resolves10.1080/00063657.2011.582641Nest-sites, breeding failure, and causes of non-breeding in a population of British Marsh Tits<i>Poecile palustris</i>
resolves10.3161/000164508X345293The Abundance and Suitability of Tree Cavities and Their Impact on Hole-Nesting Bird Populations in Beech Forests of NE Iberian Peninsula
resolves10.2307/4089299Nest Predation in Black-Capped Chickadees: How Safe Are Cavity Nests?
resolves10.2307/3472Spatial Patterns and Habitat Partition in the Breeding Birds of an Upland Wood
resolves10.1007/BF01644899Das Mikroklima im Nistkasten und seine Auswirkungen auf die Nestlinge beim Star (Sturnus vulgaris)
resolves10.3161/000164510X516047The Design of Artificial Nestboxes for the Study of Secondary Hole-Nesting Birds: A Review of Methodological Inconsistencies and Potential Biases
resolves10.1007/BF01640340Einfluß der Brutraumfläche auf die Gelegegröße der Kohlmeise (Parus major)
resolves10.1007/BF01640815Sumpfmeise(Parus p. palustris L.) und Weidenmeise(P. montanus salicarius Br.) als sympatrische Zwillingsarten
resolves10.2307/3675958The Evolution of Nest-Site Selection among Hole-Nesting Birds: The Importance of Nest Predation and Competition
resolves10.2307/1369000The Loss of Avian Cavities by Injury Compartmentalization in a Primeval European Forest
resolves10.1080/00063650409461346Breeding behaviour of Nuthatch<i>Sitta europaea</i>in relation to natural hole attributes in a primeval forest
resolves10.1080/00063657.2012.722189The breeding performance of Blue Tits<i>Cyanistes caeruleus</i>in relation to the attributes of natural holes in a primeval forest
resolves10.3161/068.041.0112Breeding Bird Community of a Primeval Temperate Forest (Białowieża National Park, Poland) at the Beginning of the 21<sup>st</sup>Century
resolves10.3161/000164510X551354Breeding Bird Dynamics in a Primeval Temperate Forest Over Thirty-Five Years: Variation and Stability in the Changing World
The 30 references without a DOI — listed, not checked
no DOI — not checkedBooij CJH (1977) De broedresultaten van holendroeders in natuurlijke holtes. Internal Rept. 14, Innstituut von Oecologish Onderzoek, Arnhem, The Netherlands
no DOI — not checkedCarlson A, Sandström U, Olsson K (1998) Availability and use of natural tree holes by cavity nesting birds in a Swedish deciduous forest. Ardea 86:109–112
no DOI — not checkedCzeszczewik D, Walankiewicz W (2003) Natural nest sites of the pied flycatcher Ficedula hypoleuca in a primeval forest. Ardea 91:221–230
no DOI — not checkedGlutz von Blotzheim U, Bauer KM (1993) Handbuch der Vögel Mitteleuropas, vol 13. Aula, Wiesbaden
no DOI — not checkedGosler A (1993) The great tit. Hamlyn, London
no DOI — not checkedHenze J (1964) Welche Brutraummasze benötigen die höhlenbrütenden Meisenarten? Vogelwelt 85:136–150
no DOI — not checkedKluijver HN (1951) The population ecology of the great tit, Parus m. major L. Ardea 39:1–135
no DOI — not checkedLöhrl H (1970) Unterschiedliche Bruthöhlenansprüche von Meisenarten und Kleibern als Beitrag zum Nischenproblem. Verh dt zool Ges 64:314–317
no DOI — not checkedLöhrl H (1977) Ecological and ethological adaptations in hole-nesting birds. Vogelwarte 29:92–101 (in German)
no DOI — not checkedMaziarz M (2012) The nest sites’ characteristic and breeding success of great tit Parus major in primeval conditions (Białowieża National Park). PhD thesis, University of Wrocław (in Polish, English summary)
no DOI — not checkedMonrós JS, Gómez J, Encabo SI, Bradt S, Barba E, Gil-Delgado JA (1999) Open nesting in great tits Parus major. Ardeola 46:89–91
no DOI — not checkedMorozov NS (2009) A city as an object for synecological studies: a search for density compensation among birds breeding in urban woodlands. In: Golovatch SI, Makarova OL, Babenko AB, Penev LD (eds) Species and communities in extreme environments. Pensoft, Sofia, pp 459–520
no DOI — not checkedNewton I (1998) Population limitation in birds. Academic, London
no DOI — not checkedNiechoda T, Korbel J (2011) Puszczańskie olbrzymy. Towarzystwo Ochrony Krajobrazu, Białowieża
no DOI — not checkedNilsson SG (1975) Kullstorlek och häckningsframgång i holkar och naturliga hål. Vår Fågelvärld 34:207–211
no DOI — not checkedPerrins CM (1979) British tits. Collins, London
no DOI — not checkedSandström U (1992) Cavities in trees: their occurrence, formation and importance for hole-nesting birds in relation to silvicultural practise. Rapport 23, Swedish University of Agricultural Sciences, Uppsala
no DOI — not checkedStatSoft, Inc. (2011) STATISTICA (data analysis software system), version 10. http://www.statsoft.com
no DOI — not checkedTomiałojć L, Wesołowski T, Walankiewicz W (1984) Breeding bird community of a primaeval temperate forest (Białowieża National Park, Poland). Acta Ornithol 20:241–310
no DOI — not checkedvan Balen JH (1973) A comparative study of the breeding ecology of the great tit Parus major in different habitats. Ardea 61:1–93
no DOI — not checkedvan Balen JH, Booy CJH, van Franeker JA, Osieck ER (1982) Studies on hole-nesting birds in natural nest sites. 1. Availability and occupation of natural nest sites. Ardea 70:1–24
no DOI — not checkedWalankiewicz W (1991) Do secondary cavity-nesting birds suffer more from competition for cavities or from predation in a primeval deciduous forest? Nat Area J 11:203–212
no DOI — not checkedWalankiewicz W, Mitrus C (1997) How nest-box data have led to erroneous generalizations: the case of the competition between great tit Parus major and Ficedula flycatchers. Acta Ornithol 32:209–212
no DOI — not checkedWalankiewicz W, Czeszczewik D, Mitrus C (2007) Natural nest sites of the collared flycatcher Ficedula albicollis in lime–hornbeam–oak stands of a primeval forest. Ornis Fenn 84:155–162
no DOI — not checkedWesołowski T (1989) Nest-sites of hole-nesters in a primaeval temperate forest (Białowieża National Park, Poland). Acta Ornithol 25:321–351
no DOI — not checkedWesołowski T (1996) Natural nest sites of marsh tit (Parus palustris) in a primaeval forest (Białowieża National Park, Poland). Die Vogelwarte 38:235–249
no DOI — not checkedWesołowski T (2001) Ground checks—an efficient and reliable method to monitor holes’ fate. Ornis Fenn 78:193–197
no DOI — not checkedWesołowski T (2003) Bird community dynamics in a primaeval forest—is interspecific competition important? Ornis Hung 12–13:51–62
no DOI — not checkedWesołowski T, Czeszczewik D, Rowiński P, Walankiewicz W (2002) Nest soaking in natural holes—a serious cause of breeding failure? Ornis Fenn 79:132–138
no DOI — not checkedWinkel W (1985) On the first occupation of different-sized nestboxes by tit mice and other hole breeders in a study area. Die Vogelwelt 106:256–264 (in German)
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