Vol. 41, issue 1. Published on-line: 5 August 2004.

 
Kaitala, V., Enberg, K., Ranta, E. 2004. Fish harvesting, marine reserves and distribution of individuals over space. Biol. Lett. 41(1): 3-10.

Gwiazdowicz, D. J., Klemt, J. 2004. Mesostigmatic mites (Acari: Gamasida) in selected microhabitats of the Biebrza National Park (NE Poland). Biol. Lett. 41(1): 11-19.

Rout, G. R. 2004. Effect of cytokinins and auxins on micropropagation of Clitoria ternatea L. Biol. Lett. 41(1): 21-26.

Knopik-Skrocka, A., Buldańczyk, A. 2004. The response of horse erythrocytes to polyene antibiotics. Biol. Lett. 41(1): 27-39.

Lewandowski, M., Sznyk, A., Bednarek, A. 2004. Biology and morphometry of Lycoriella ingenua (Diptera: Sciaridae). Biol. Lett. 41(1): 41-50.

Leśniewska, M. 2004. Bifurcation of one antenna in Stigmatogaster subterraneus (Shaw, 1794) (Chilopoda: Geophilomorpha). Biol. Lett. 41(1): 51-53.

Vol. 41, issue 2. Published on-line: 17 March 2005.

Special Volume: Advances in Shrikeology: the 4th International Shrike Symposium,

Chemnitz, Germany, August 17th-18th, 2003

Guest Editors: Reuven Yosef, Fred E. Lohrer, Piotr Tryjanowski

Krištín, A., Yosef, R., Tryjanowski, P. 2004. Advances in shrikeology: the 4th International Shrike Symposium, Chemnitz, Germany. Biological Lett. 41(2): 59-63.
Pande, S., Pawashe, A., Sant, N., Mahabal, A. 2004. Status, habitat preferences and population estimates of non-breeding shrikes Lanius spp. in Maharashtra and Karnataka states, India. Biological Lett. 41(2): 65-69.
Perktaş, U. 2004. Breeding shrike populations in Turkey: status in 1998-2003. Biological Lett. 41(2): 71-75.
Kopij, G. 2004. Breeding-season density of Fiscal Shrike (Lanius collaris) in Lesotho. Biological Lett. 41(2): 77-85.
Latus, C., Schultz, A., Kujawa, K. 2004. Occurrence of the Red-backed Shrike (Lanius collurio) depends on natural factors and mode of land use in the Quillow catchment, Germany. Biological Lett. 41(2): 87-93.
Pustjens, A.Z., Peters, J.L., Geertsma, M., Gerats, T., Esselink, H. 2004. Using microsatellites to obtain genetic structure data for Red-backed Shrike (Lanius collurio): a pilot study. Biological Lett. 41(2): 95-101.
Takács., V., Kuźniak, S., Tryjanowski, P. 2004. Prediction of changes in population size of the Red-backed Shrike (Lanius collurio) in Poland: Population Viability Analysis. Biological Lett. 41(2): 103-111.
Yosef, R. 2004. Perch-site use and inter- and intraspecific aggression of migratory Brown Shrikes (Lanius cristatus) in Southern Taiwan. Biological Lett. 41(2): 113-118.
Nikolov, B.P., Kodzhabashev, N.D., Popov, V.V. 2004. Diet composition and spatial patterns of food caching in wintering Great Grey Shrikes (Lanius excubitor) in Bulgaria. Biological Lett. 41(2): 119-133.
Sachslehner, L., Schmalzer, A., Probst, R. 2004. The breeding population of the Great Grey Shrike (Lanius excubitor) in Austria, 1995-2003. Biological Lett. 41(2): 135-146.
Olborska, P., Kosicki, J. 2004. Breeding biology of the Great Grey Shrike (Lanius excubitor): an analysis of nest record cards. Biological Lett. 41(2): 147-154.
Yosef, R., Zduniak, P. 2004. Within-clutch variation in egg dimensions of Loggerhead Shrike (Lanius ludovicianus): in south-central Florida. Biological Lett. 41(2): 155-162.
Moores, N., Moores, C. 2004. A presumed Steppe Grey Shrike (Lanius pallidirostris) on Socheong Island, S Korea. Biological Lett. 41(2): 163-166.
Sandor, A.D., Maths, I., Sima, I. 2004. Hunting behaviour and diet of migratory Woodchat Shrikes (Lanius senator) in Eastern Romania. Biological Lett. 41(2): 167-173.
Lei, F.M., Krištín, A., Zhao, H.F. 2004. Morphology and distribution of the Chinese Grey Shrike (Lanius sphenocercus) in China. Biological Lett. 41(2): 175-180.
Riegert, J., Přibylová, A., Sedláček, O. 2004. Notes on calls of the Yellow-breasted Boubou (Laniarius atroflavus) during the breeding season in NW Cameroon. Biological Lett. 41(2): 181-184.
Dróżdż, R., Hromada, M., Tryjanowski, P. 2004. Interspecific feeding of a Great Grey Shrike (Lanius excubitor) fledgling by adult Yellowhammers (Emberiza citrinella). Biological Lett. 41(2): 185-187.
Michalczuk, J. 2004. Flocks of the Great Grey Shrike (Lanius excubitor) on migration. Biological Lett. 41(2): 189-190.
Pande, S. 2004. The shrike in Sanskrit literature since 400 BC. Biological Lett. 41(2): 191-193.
Tryjanowski, P., Reino, M.L. 2004. Post-breeding habitat selection of the Grey-backed Shrike (Lanius tephronotus) in Sichuan, China. Biological Lett. 41(2): 195-197.