| Wolf predation and snow cover as mortality factors in the ungulate community of the Bialowieża National Park, Poland W Jędrzejewski, B Jędrzejewska, H Okarma, AL Ruprecht Oecologia 90, 27-36, 1992 | 256 | 1992 |
| The effect of digestion on the osteological composition of owl pellets J Raczynski, AL Ruprecht Acta ornithologica 14 (02), 1974 | 204 | 1974 |
| BATS (CHIROPTERA) AS CONSTITUENTS OF THE FOOD OF BARN OWLS TYTO ALBA IN POLAND AL RUPRECHT Ibis 121 (4), 489-494, 1979 | 101 | 1979 |
| Resource use by Tawny Owls Strix aluco in relation to rodent fluctuations in Białowieża National Park, Poland W Jędrzejewski, B Jędrzejewska, K Zub, AL Ruprecht, C Bystrowski Journal of Avian Biology, 308-318, 1994 | 96 | 1994 |
| Skull variability of Mustela putorius Linnaeus, 1758 T Buchalczyk, AL Ruprecht Acta theriologica 22 (5), 87-120, 1977 | 66 | 1977 |
| Food of the Barn owl, Tyto alba guttata (CL Br.) from Kujawy AL Ruprecht Acta ornithologica, 1979 | 64 | 1979 |
| Variation and asymmetry in the dentition of the pine and stone martens (Martes martes and M. foina) from Poland M Wolsan, AL Ruprecht, T Buchalczyk Acta Theriologica 30 (3), 79-114, 1985 | 54 | 1985 |
| Skull variability of Martes martes and Martes foina from Poland S Reig, AL Ruprecht Acta Theriologica 34 (41), 595-624, 1989 | 49 | 1989 |
| Contribution to the knowledge of the trophic ecology of the parti-coloured bat, Vespertilio murinus Z Bauerova, AL Ruprecht Folia zoologica (Brno) 38 (3), 227-232, 1989 | 41 | 1989 |
| KRYTERIA IDENTYFIKACJI GATUNKOWEJ PRODRODZAJU SYLVAEMUS OGNEV & VOROBIEV, 1923 (RODENTIA: MURIDAE) AL Ruprecht | 34 | 1979 |
| Craniometric variations in Central European populations of Ondatra zibethica (Linnaeus, 1766) AL Ruprecht Acta Theriologica 19 (31), 463-507, 1974 | 34 | 1974 |
| Nyctalus leisleri—Kleinabendsegler W Bogdanowicz, AL Ruprecht Handbuch der Säugetiere Europas (F. Krapp, eds.) 4, 717-756, 2004 | 33 | 2004 |
| Parasitic arthropods (Siphonaptera, Diptera, Acari) of bats from western part of the Bialowieza Primeval Forest R Haitlinger, A Ruprecht Nyctalus (NF) 4 (3), 315-319, 1992 | 33 | 1992 |
| Atlas rozmieszczenia sów Strigiformes w Polsce: Atlas of polish owls Strigiformes AL Ruprecht, A Szwagrzak Państwowe wydawnictwo naukowe, 1988 | 32 | 1988 |
| Order: Bats-Chiroptera K Kowalski, AL Ruprecht Key to vertebrates of Poland. Mammals. Warszawa, 101-154, 1981 | 30 | 1981 |
| Zur Ernährung der Eulen im Westteil des Bialowieza-Urwaldes AL Ruprecht, A Szwagrzak Ökologie der Vögel 9 (2), 89-96, 1987 | 25 | 1987 |
| The taxonomic value of teeth measurements in the subgenus Sylvaemus Ognev & Vorobiev, 1923 R Haitlinger, AL Ruprecht Acta Theriologica 12 (12), 180-187, 1967 | 23 | 1967 |
| Haematological values in the serotine bat, Eptesicus serotinus (Schreber, 1774) E Wołk, AL Ruprecht Acta Theriologica 33 (40), 545-553, 1988 | 22 | 1988 |
| Dentition variations in the common polecat in Poland AL Ruprecht Acta Theriologica 23 (12), 239-245, 1978 | 22 | 1978 |
| Estimation of population density of the common vole in Poland: an analysis of owl pellets K Caboń-Raczyńska, AL Ruprecht Acta Theriologica 22 (25), 349-354, 1977 | 22 | 1977 |
Henryk OkarmaProfessor of biology, Institute of Nature Conservation, Polish Academy of SciencesVerified email at iop.krakow.pl