BEITRAG ZUR FORTPFLANZUNGSBIOLOGIE DES HABICHTKAUZES (STRIX URALENSIS PALL.) = CONTRIBUTION A L'ETUDE DE LA BIOLOGIE DE LA REPRODUCTION DE S. U. P.MINNEMANN D; BUSSE H.1978; ZOOL. GARTEN; DDR; DA. 1978; VOL. 48; NO 5-6; PP. 433-439; BIBL. 11 REF.Article

VOCALIZATIONS AND COURTSHIP FEEDING OF THE URAL OWL STRIX URALENSISLUNDBERG A.1980; ORNIS SCAND.; NOR; DA. 1980; VOL. 11; NO 1; PP. 65-70; BIBL. 31 REF.Article

POPULATION ECOLOGY OF THE URAL OWL STRIX URALENSIS IN CENTRAL SWEDENLUNDBERG A.1981; ORNIS SCAND.; ISSN 0030-5693; NOR; DA. 1981; VOL. 12; NO 2; PP. 111-119; BIBL. 1 P.Article

WHY ARE THE URAL OWL STRIX URALENSIS AND THE TAWNY OWL S. ALUCO PARAPATRIX IN SCANDINAVIA.LUNDBERG A.1980; ORNIS SCAND.; NOR; DA. 1980; VOL. 11; NO 2; PP. 116-120; BIBL. 32 REF.Article

RESIDENCY, MIGRATION AND A COMPROMISE: ADAPTATIONS TO NEST-SITE SCARCITY AND FOOD SPECIALIZATION IN THREE FENNOSCANDIAN OWL SPECIESLUNDBERG A.1979; OECOLOGIA; DEU; DA. 1979; VOL. 41; NO 3; PP. 273-281; BIBL. 32 REF.Article

Raptors as surrogates of biodiversity along a landscape gradientBURGAS, Daniel; BYHOLM, Patrik; PARKKIMA, Tiina et al.Journal of applied ecology (Print). 2014, Vol 51, Num 3, pp 786-794, issn 0021-8901, 9 p.Article

ZUR ETHOLOGIE DER FORTPFLANZUNG UND JUGENDENT WICKLUNG DES HABICHTSKAUZES (STRIX URALENSIS) MIT VERGLEICHEN ZUM WALDKAUZ (STRIX ALUCO) = RECHERCHES ETHOLOGIQUES SUR LA REPRODUCTION ET LE DEVELOPPEMENT DES JEUNES S.U. COMPARES A CEUX DE S.A.SCHERZINGER W.1980; BONN. ZOOL. MONOGR.; ISSN 0302-671X; DEU; DA. 1980; NO 15; 66 P.; ABS. ENG; BIBL. 4 P.Serial Issue

Parental investment in clutch size and egg size in the Ural owl Strix uralensisPIETIAINEN, H; SAUROLA, P; VAISANEN, R. A et al.Ornis Scandinavica. 1986, Vol 17, Num 4, pp 309-325, issn 0030-5693Article

TINEIDAE (LEPIDOPTERA) FROM NESTS OF THE URAL OWL (STRIX URALENSIS PALL.)JALAVA J.1980; NOT. ENTOMOL.; ISSN 0029-4594; FIN; DA. 1980; VOL. 60; NO 2; PP. 96-100; BIBL. 8 REF.Article

ZUR ETHOLOGIE DER FORTPFLANZUNG UND JUGENDENTWICKLUNG DES HABICHTSKAUZES (STRIX URALENSIS) MIT VERGLEICHEN ZUM WALDKAUZ (STRIX ALUCO) = ETUDES ETHOLOGIQUES SUR LA REPRODUCTION ET LE DEVELOPPEMENT DES JEUNES CHEZ S.U.; COMPARAISON AVEC S.A.SCHERZINGER W.1980; BONN. ZOOL. MONOGR.; ISSN 0302-671X; DEU; DA. 1980; NO 15; PP. 1-66; ABS. ENG; BIBL. 4 P.Article

Competitive exclusion within the predator community influences the distribution of a threatened prey speciesBYHOLM, Patrik; BURGAS, Daniel; VIRTANEN, Tarmo et al.Ecology (Durham). 2012, Vol 93, Num 8, pp 1802-1808, issn 0012-9658, 7 p.Article

Seasonal and individual variation in the production of offspring in the Ural owl Strix uralensisPIETIAINEN, H.Journal of animal ecology. 1989, Vol 58, Num 3, pp 905-920, issn 0021-8790, 16 p.Article

Breeding season quality, age, and the effect of experience on the reproductive success of the Ural owls (Strix uralensis)PIETIAINEN, H.The Auk. 1988, Vol 105, Num 2, pp 316-324, issn 0004-8038Article

Life-history consequences of partial-moult asymmetryBROMMER, Jon E; PIHLAJAMÄKI, Outi; KOLUNEN, Heikki et al.Journal of animal ecology. 2003, Vol 72, Num 6, pp 1057-1063, issn 0021-8790, 7 p.Article

Competitive and predatory interactions among raptors : An observational and experimental studyHAKKARAINEN, H; KORPIMÄKI, E.Ecology (Durham). 1996, Vol 77, Num 4, pp 1134-1142, issn 0012-9658Conference Paper

Does the year-to-year variation in the diet of eagle and Ural owls support the alternative prey hypothesis?KORPIMAKI, E; HUHTALA, K; SULKAVA, S et al.Oikos. 1990, Vol 58, Num 1, pp 47-54, issn 0030-1299, 8 p.Article

The effect of age at first breeding on Ural owl lifetime reproductive success and fitness under cyclic food conditionsBROMMER, J. E; PIETIÄINEN, H; KOLUNEN, H et al.Journal of animal ecology. 1998, Vol 67, Num 3, pp 359-369, issn 0021-8790Article

Female body condition and breeding of the Ural owl Strix uralensisPIETIÄINEN, H; KOLUNEN, H.Functional ecology (Print). 1993, Vol 7, Num 6, pp 726-735, issn 0269-8463Article

Large-scale spatial dynamics of vole populations in Finland revealed by the breeding success of vole-eating avian predatorsSUNDELL, Janne; HUITU, Otso; HENTTONEN, Heikki et al.Journal of animal ecology. 2004, Vol 73, Num 1, pp 167-178, issn 0021-8790, 12 p.Article

Do Ural owls (Strix uralensis) suffer from the lack of nest sites in managed forests?LOHMUS, Asko.Biological conservation. 2003, Vol 110, Num 1, pp 1-9, issn 0006-3207, 9 p.Article

Helminth parasitism does not increase the vulnerability of the field vole Microtus agrestis to predation by the Ural owl Strix uralensisHAUKISALMI, V; HENTTONEN, H; PIETIÄINEN, H et al.Annales zoologici Fennici. 1994, Vol 31, Num 2, pp 263-269, issn 0003-455XArticle

Ural owl sex allocation and parental investment under poor food conditionsBROMMER, Jon E; KARELL, Patrik; PIHLAJA, Tuomo et al.Oecologia. 2003, Vol 137, Num 1, pp 140-147, issn 0029-8549, 8 p.Article

Identification and classification of different isolates of Francisella tularensisMÖRNER, T; MATTSSON, R; FORSMAN, M et al.Journal of veterinary medicine. Series B. 1993, Vol 40, Num 9-10, pp 613-620, issn 0931-1793Article

Potential resource competition between an invasive mammal and native birds: overlap in tree cavity preferences of feral raccoons and Ural owlsKOBAYASHI, Fumiya; TOYAMA, Masahiro; KOIZUMI, Itsuro et al.Biological invasions. 2014, Vol 16, Num 7, pp 1453-1464, issn 1387-3547, 12 p.Article

Supplementary fed Ural owls increase their reproductive output with a one year time lagBROMMER, Jon E; KARELL, Patrik; PIETIÄINEN, Hannu et al.Oecologia. 2004, Vol 139, Num 3, pp 354-358, issn 0029-8549, 5 p.Article