- Article in journal2000. Prey selection and predation by wolves in Białowieża Primeval Forest, Poland. Journal of Mammalogy 81 : 197-212. PDF
- Article in journal2000. Activity patterns of radio-tracked weasels Mustela nivalis in Białowieża National park (E Poland). Annales Zoologici Fennici 37 : 161-168.
- Article in journal2000. Badger density and distributionof setts in Białowieżqa Primeval Forest (Poland and Belarus) compared to other Eurasian populations. Acta Theriologica 45 : 395-408. DOI: 10.4098/AT.arch.00-39 PDF
- Article in journal2000. Factors affecting the variability in home range size and distribution in European bison in the Polish and Belarussian parts of the Białowieża Forest. Acta Theriologica 45 : 321-334. DOI: 10.4098/AT.arch.00-32 PDF
- Article in journal2000. Karyotypic variation of the common shrew Sorex araneus in Belarus, Estonia, Latvia, Lithuania and Ukraine. Acta Theriologica 45, Suppl. 1 : 47-58. DOI: 10.4098/AT.arch.00-61
- Article in journal2000. Roosting sites of Leisler's bat Nyctalus leisleri in Białowieża Forest - preliminary results. Myotis 37 : 55-60.
- Article in journal2000. Habitat preferences of four sympatric species of shrews. Acta Theriologica 45, Suppl. 1 : 173-190. DOI: 10.4098/AT.arch.00-72
- Article in journal2000. Pokarm orła przedniego Aquila chrysaetos w polskiej części Karpat. Notatki Ornitologiczne 41 : 187-200.
- Article in journal2000. Variation and correlation patterns in the dentition of the rex fox from Poland. Annales Zoologici Fennici 37 : 113-127.
- Article in journal2000. Morphometric variation of the common shrew Sorex araneus in Poland, in relation to karyotype. Acta Theriologica 45, Suppl. 1 : 161-172. DOI: 10.4098/AT.arch.00-71