Jens Rydell, publikationer

Peer reviewed scientific articles


Kounitsky P, Rydell J, Amichai E, Boonman A, Eitan O, Weiss AJ, Yovel Y. 2015. Wild bats adjust their mouth gape to zoom their biosonar 'field of view' PNAS in press - PDF


Rydell, J. & Russo, D. 2015. Photography as a low-impact method to survey bats. Mammalian Biology, in press. - PDF


Ujvari, B., Fisher, P., Rydell, J., Wahlgren R., Wright, B. & Madsen, T. 2014. Population demography of frillneck lizards (Chlamydosaurus kingii) in the wet-dry tropics of Australia. Austral Ecology, doi:10.1111/aec.12168. - PDF


Ancillotto, L., Rydell, J., Nardone, V. & Russo, D. 2014. Coastal cliffs on islands as foraging abitats for bats. Acta Chiropterologica 16, 103-108. - PDF


Eklöf, J., Šuba, J., Petersons, G. & Rydell, J. 2014. Visual acuity and eye size in five European bat species in relation to foraging and migration strategies. Environmental and Experimental Biology 12, 1-6. - PDF


Rydell, J., Bach, L., Bach, P., Guia Diaz, L., Hagner-Wahlsten, N., Kyheröinen, E.-M., Masing, M., Meyer, M. M., Petersons, G., Šuba, J., Vintulis, V. & Hedenström, A. 2014. Phenology of bat migration along the Baltic and south-eastern North Sea coasts. Acta Chiropterologica 16, 139-147. - PDF


Šuba, J., Petersons, G. & Rydell, J. 2012. Fly-and-forage strategy in the bat Pipistrellus nathusii during autumn migration. Acta Chiropterologica 14, 379-385. - PDF


Rydell, J., Bach, L., Dubourg-Savage, M.-J., Green, M., Rodrigues, L. & Hedenström, A. 2010. Bat mortality at wind turbines in northwestern Europe. Acta Chiropterologica, 12, 261-274. - PDF


Rydell, J., Bach, L., Dubourg-Savage, M.-J., Green, M., Rodrigues, L. & Hedenström, A. 2010. Mortality of bats at wind turbines links to nocturnal insect migration? European Journal of Wildlife Research 56, 823-827. - PDF


Hedelin, H. & Rydell, J. 2007. Daily habitat shifts by the neotropical butterfly Manataria maculata is driven by predation. Journal of the Lepidopterist´s Society 61(2), 67-71. - - PDF


Rydell, J. & Eklöf, J. 2003. Vision complements echolocation in an aerial-hawking bat. Naturwissenschaften 90, 481-483. - PDF


Svensson, A. M., Eklöf, J., Skals, N. & Rydell, J. 2003. Light dependent shift in the anti-predator response of a pyralid moth. Oikos 101, 239-246.


Rydell, J., Kaerma, S., Hedelin, H. & Skals, N. 2003. Evasive response to ultrasound by the crepuscular butterfly Manataria maculata. Naturwissenschaften 90, 80-83. - PDF


Eklöf, J., Svensson, A. M. & Rydell, J. 2002. Northern bats (Eptesicus nilssonii) use vision but not flutter-detection when searching for prey in clutter. Oikos 99, 347-351. - PDF


Svensson, A. M., Danielsson, I. & Rydell, J. 2002. Avoidance of bats by water striders (Hemiptera: Gerridae). Hydrobiologia 489, 83-90. - PDF


Rydell, J., Parker McNeill, D. & Eklöf, J. 2002. Capture success of little brown bats feeding on mosquitoes. Journal of Zoology London 256, 379-381. - PDF


Karlsson, B.-L., Eklöf, J. & Rydell, J. 2002. No lunar phobia in swarming insectivorous bats. Journal of Zoology London 256, 473-477. - PDF


Rydell, J., Artita, H. T., Santos, M. & Granados, J. 2002. Acoustic identification of insectivorous bats of Yucatán, Mexico. Journal of Zoology London 257, 27-36. - PDF


Rydell, J., Hammarlund, J. & Seilacher, A. 2001. Trace fossil associations in the Swedish Mickwitzia sandstone (Lower Cambrian): Did trilobites really hunt for worms? GFF 123,247-250. - PDF


Rydell, J., Roininen, H. Philip, K. W. & Karhu, A. 2001. Lepidoptera collected in the Canadian arctic during the Tundra Northwest 99 expedition. Entomologica Fennica 12, 131-138.


Jensen, M. E., Miller, L. A. & Rydell, J. 2001. Detection of prey in a cluttered environment by the northern bat Eptesicus nilssonii. The Journal of Experimental Biology 204, 199-208. - PDF


Rydell, J., Fagerström, J., Andersson, S., Gamberale Stille, G., Gelang, M., Lancaster, W. C., Svensson, M. G. E. & Tullberg, B. S. 2001. Convergence in wing coloration between orange underwing moths (Archiearis spp.) and tortoiseshell butterflies. Entomologica Fennica 12, 65-71. - PDF


Rydell, J. & Lancaster, W. C. 2000. Flight and thermoregulation in moths have been shaped by predation from bats. Oikos 88, 13-18. - PDF


Speakman, J. R., Rydell, J., Webb, P. I., Hayes, J. P., Hays, G. C., Hulbert, I. & McDevitt, R. 2000. Activity patterns of insectivorous bats and birds in northern Scandinavia (69oN), in the continuous mid-summer daylight. Oikos 88, 75-86. - PDF


Speakman, J. R. & Rydell, J. 2000. Avoidance behaviour in bats and insects: When is it predator defence? Oikos 88, 221-223. - PDF


Duvergé, P. L., Jones, G. & Rydell, J. & Ransome, R. D. 2000. The functional significance of emergence timing in bats. Ecography 23, 32-40. - PDF


Rydell, J., Roininen, H. & Philip, K. W. 2000. Persistence of bat defence reactions in high Arctic moths. Proceedings of the Royal Society of London B 267, 553-557. - PDF


Svensson, M. G. E., Rydell, J. & Brown, R. 1999. Bat predation and the flight timing of winter moths, Epirrita and Operophtera spp. (Lepidoptera, Geometridae). Oikos 84, 193-198. PDF


Rydell, J., Miller, L. A. & Jensen, M. 1999. Echolocation constraints of Daubenton´s bat foraging over water. Functional Ecology, 13, 247-255. - PDF


Eklöf, J., Rydell, J., Fröjmark, J., Johansson, M. & Seilacher, A. 1999. Orientation of agnostid shields in Alum Shale (Upper Cambrian): Implications for the depositional environment. GFF 121, 309-314. - PDF


Fenton, M. B., Rydell, J., Vonhof, M., Eklöf, J. & Lancaster, W. C. 1999. Constant-frequency and frequency-modulated components in the echolocation calls of three species of small bats (Emballonuridae, Thyropteridae, and Vespertilionidae). Canadian Journal

of Zoology 77: 1891-1900. - PDF


Andersson, S., Rydell, J. & Svensson, M. G. E. 1998. Light, predation and the lekking behaviour of the ghost swift Hepialus humuli (L.) (Lepidoptera: Hepialidae). Proceedings the Royal Society of London B 265, 1345-1351. - PDF


Rydell, J. 1998. Bat defence in lekking ghost swifts (Hepialus humuli), a moth without ultrasonic hearing. Proceedings of the Royal Society of London B 265, 1373-1376. - PDF


Racey, P. A., Swift, S. M., Rydell, J. & Brodie, L. 1998. Bats and insects over two Scottish rivers with contrasting nitrate status. Animal Conservation 1, 195-202. - PDF


Svensson, M. & Rydell. J. 1998. Mercury vapour lamps interfere with the bat defence of tympanate moths (Operophtera spp.; Geometridae). Animal Behaviour 55, 223-226. - PDF


Rydell, J. & Petersons, G. 1998. The diet of the noctule bat Nyctalus noctula in Latvia. Zeitschrift für Säugetierkunde 63, 79-83. - PDF


Surlykke, A., Skals, N., Rydell, J. & Svensson, M. 1998. Sonic hearing in a diurnal geometrid moth Archiearis parthenias (L.) temporally isolated from bats. Naturwissenschaften 85, 36-37. - PDF


Fenton, M. B., Rautenbach, I. L., Rydell, J., Arita, H. T. , Ortega, J., Bouchard, S., Hovorka, M. D., Lim, B., Odgren, E., Portfors, C. V., Scully, W. M., Syme, D. M. & Vonhof, M. J. 1998. Emergence, echolocation, diet and foraging behavior of Molossus ater (Chiroptera: Molossidae). Biotropica 30, 314-320. 90. - PDF


Svensson, M. G. E., Rydell, J. & Töve, J. 1998. Deep flowers for long tongues. Trends in Ecology and Evolution 13, 459-460. - PDF


Rydell, J. & Bogdanowicz, W. 1997. Barbastella barbastellus. Mammalian Species 557, 1-8. - PDF


Rydell, J., Skals, N., Surlykke, A. and Svensson, M. 1997. Hearing and bat defence in geometrid winter moths. Proceedings of the Royal Society of London B 264, 83-88. - PDF


Rydell, J. & Yalden, D. W. 1997. The diets of two high-flying bats from Africa. Journal of Zoology London 242, 69-76. - PDF


Rydell, J., Natuschke, G., Theiler, A. & Zingg, P. E. 1996. Food habits of the barbastelle bat Barbastella barbastellus. Ecography 19, 62-66. - PDF


Rydell, J., Entwistle, A. & Racey, P. A. 1996. Timing of foraging flights in three species of bats in relation to insect activity and predation risk. Oikos 76, 243-252. - PDF


Rydell, J., Jones, G. & Waters, D. A 1995. Echolocating bats and hearing moths: who are the winners? Oikos 73, 419-424. - PDF


Waters, D. A., Rydell, J. & Jones, G. 1995. Echolocation call design and limits on prey size: A case study using the aerial-hawking bat Nyctalus leisleri. Behavioral Ecology and Sociobiology 37, 321-328. - PDF


Rydell, J. & Speakman, J. R. 1995. Evolution of nocturnality in bats: potential competitors and predators during their early history. Biological Journal of the Linnean Society 54, 183-191. - PDF


Fenton, M. B., Audet, D., Obrist, M. K. & Rydell, J. 1995. Signal strength, timing, and self-deafening: The evolution of echolocation in bats. Paleobiology 21, 229-242. - PDF


Rydell, J., Bushby, A., Cosgrove, C. C. & Racey, P. A. 1994. Habitat use by bats along rivers in northeast Scotland. Folia Zoologica 43, 417-424.


Rydell, J. & Arlettaz, R. 1994. Low frequency echolocation enables the bat Tadarida teniotis to feed on tympanate insects. Proceedings of the Royal Society of London B 257,175-178. - PDF


Blake, D., Hutson, A. M., Racey, P. A., Rydell, J. & Speakman, J. R. 1994. Use of lamplit roads by foraging bats in southern England. Journal of Zoology London 234, 453-462.


Jones, G. & Rydell, J. 1994. Foraging strategy and predation risk as factors influencing emergence time in echolocating bats. Philosophical Transactions of the Royal Society of London B 346, 445-455. - PDF


Rydell, J. & Baagöe, H. J. 1994. Vespertilio murinus. Mammalian Species 467, 1-6.


Rydell, J., Strann, K-B. & Speakman, J. R. 1994. First record of breeding bats above the Arctic Circle: Northern bats at 68-70oN in Norway. Journal of Zoology London 233, 335-339.


Rydell, J. 1993. Eptesicus nilssonii. Mammalian Species 430, 1-7.


Rydell, J. 1993. Variation in foraging activity of an aerial insectivorous bat during reproduction. Journal of Mammalogy 74, 503-509. - PDF


Rydell, J. 1993. Variation in the sonar of an aerial-hawking bat (Eptesicus nilssonii). Ethology 93, 275-284. -


Rydell, J. 1992. Occurrence of bats in northernmost Sweden (65oN) and their feeding ecology in summer. Journal of Zoology London 227, 517-529. - PDF


Rydell, J. 1992. Exploitation of insects around streetlamps by bats in Sweden. Functional Ecology 6, 744-750. - PDF


Rydell, J. 1992. The diet of the parti-coloured bat Vespertilio murinus in Sweden. Holarctic Ecology 15, 195-198. - PDF


Rydell, J. 1991. Seasonal use of illuminated areas by foraging northern bats Eptesicus nilssoni. Holarctic Ecology 14, 203-207. - PDF

Rydell, J. 1990. Behavioural variation in echolocation pulses of the northern bat Eptesicus nilssoni. Ethology 85, 103-113. - PDF


Rydell, J. 1989. Site fidelity in the northern bat (Eptesicus nilssoni) during pregnancy and lactation. Journal of Mammalogy 70, 614-617. - PDF


Rydell, J. 1989. Feeding activity of the northern bat Eptesicus nilssoni during pregnancy and lactation. Oecologia, Berlin 80, 562-565. - PDF


Rydell, J. 1989. Food habits of northern (Eptesicus nilssoni) and brown long-eared (Plecotus auritus) bats in Sweden. Holarctic Ecology 12, 16-20. - PDF


Rydell, J. 1986. Foraging and diet of the northern bat Eptesicus nilssoni in Sweden. Holarctic Ecology 9, 272-276. - PDF


Rydell, J. 1986. Feeding territoriality in female northern bats Eptesicus nilssoni. Ethology 72, 329-337. - PDF



Books, book chapters and published reports


Arnett, E.B., Baerwald, E.F., Mathews, F., Rodrigues, L., Rodriguez-Duran, A., Rydell, J., Villegas-Patraca, R. & Voigt, C.C. 2015. Impacts of Wind Energy Development on Bats: a Global Perspective. In: Bats in the Anthropogene (eds. Kingston T. & Voigt, C.C.). In press.


Rydell, J., Engström, H., Hedenström, A., Larsen, J. K., Pettersson, J. & Green M. 2012. The effect of wind power on birds and bats. - A synthesis report. Naturvårdsverket Rapport 6511 - PDF


Rydell, J., Engström, H., Hedenström, A., Larsen, J. K., Pettersson, J. & Green M. 2011. Vindkraftens påverkan på fåglar och fladdermöss - Syntesrapport. Naturvårdsverket Rapport 6467 - PDF


Rydell, J. 2005. Bats and their insect prey at streetlights. In: Ecological consequences of artificial night lighting (Rich, C. & Longcore, T., eds.) 43-60. Island Press, New York - PDF


Rydell, J. 2003. Varma och kalla fjärilar. In: Hett om kalla fakta. Vetenskapsrådets årsbok 2003 (L. Åberg, ed.) 49-58. - PDF


Jones, G. & Rydell, J. 2003. Attack and defence: Interactions between echolocating bats and their insect prey. In: Bat ecology (Kunz, T. H. & Fenton, M. B., eds.) 301-345. University of Chicago Press, Chicago.


Rydell, J. 2003. Evolution of bat-defence in moths (Lepidoptera): Alternatives and complements to ultrasonic hearing. In: Echolocation in Bats and Dolphins (Thomas, J., Moss, C. & Vater, M., eds.) 327-331. University of Chicago Press, Chicago.


Rydell, J. & Young M. R. 2002. The ecology and evolution of bat defence in Lepidoptera. In: The Moths and Butterflies of Great Britain and Ireland, Volume 4 (Emmet, A. M., ed.), pp. 17-41. Harley Books, Colchester, UK.


Racey, P. A. & Rydell, J. 2002. Northern bat Eptesicus nilssonii. In: The New Handbook of British Mammals (Harris, S., ed.). Poyser Books, UK, in press (submitted Jan 1999).


Gerell, R. & Rydell, J. 2001. Eptesicus nilssonii (Keyserling et Blasius, 1839) – Nordfledermaus. In: Handbuch der Säugetiere Europas, band 4. Fledertiere (Krapp, F., ed.), pp. 561-581. AULA-Verlag, Wiesbaden.


Rydell, J. & Fenton, M. B. 2001. Keeping an ear open for bats. In: New Encyclopedia of Mammals (Macdonald, D.W., ed.), p. 763. Andromeda, London.


Rydell, J. & Roininen, H. 2000. Adaptation of Arctic moths and butterflies. In: Polarforskningssekretariatets årsbok 1999 (Grönlund, E., ed.), pp. 135-138. Polarforskningssekretariatet, Stockholm.


Rydell, J. 1999. Eptesicus nilssonii. In: Atlas of European Mammals (Mitchell-Jones, A. J., Amori, G., Bogdanowicz, W., Krystufek, B., Reijnders, P. J. H., Spitzenberger, F., Stubbe, M., Thissen, J. B. M., Vohralik, V. & Zima, J., eds.), p. 140. Academic Press, London.


Rydell, J. & Racey, P. A. 1995. Streetlamps and the feeding ecology of insectivorous bats. In: Ecology, Evolution and Behaviour of Bats (Racey, P. A. & Swift, S. M., eds.), pp. 291-307. Symposium of the zoological Society of London No. 67..


Rydell, J. 1989. Philopatry in female northern bats (Eptesicus nilssoni). In: European bat research 1987 (Hanák, V., Horácek, I. and Gaisler, J., eds.), pp. 624-625. Charles University Press, Prague.


Rydell, J. 1988. Om fladdermöss och kulturminnen. In: Västgöta-Dal. En årsbok från Älvsborgs Länsmuseum (Ahnlund, H., ed.), pp. 132-142. Vänersborg.


Published abstracts, notes and comments


Petersons, G., Vintulis, V. & Rydell, J. 2014. Bat fatalities at wind energy facilities in the Nordic-Baltic region. In: 9th Baltic Theriological Conference, Daugavpils, Latvia 16-18 October 2014.Daugavpils Unuiv3ersity Academic Press “Saule”, Daugavpils, p. 43 (abstract).


Rydell, J. 2013. Brown long-eared bat Plecotus auritus colonies abandon flood-lit churches. In: 3rd international Berlin bat meeting: Bats in the anthropocene. Berlin, 1-3 March 2013. Liebniz Institute for zoo and Wildlife Research (IZW), 80 (abstract).


Georgiakakis, P., Rebelo, H., Santos, H., Rodrigues, L., Dubourg-Savage, M.-J., Papadatou, E., Ibanez, C., Sanchez Navarro, S., Martinez. J. B., Bach L. & Rydell J. 2013. Bat fatality patterns at wind turbines in Southern Europe. In: 3rd international Berlin bat meeting: Bats in the anthropocene. Berlin, 1-3 March 2013. Liebniz Institute for zoo and Wildlife Research (IZW), 156 (abstract).


Hedenström, A. & Rydell, J. 2013. Effects of wind turbine mortality on bat populations in Sweden: predictions from a simple population model. In: Book of abstracts. Conference on wind power and environmental impacts. Stockholm 5-7 February 2013. Naturvårdsverket Rapport 6511, 58 (abstract).


Gunnarsson, C., Palo, T. & Rydell, J. 2013. Are windpower parks in boreal forest in Sweden a threat to bats? In: Book of abstracts. Conference on wind power and environmental impacts, Stockholm 5-7 February 2013. Naturvårdsverket Rapport 6511, 139 (abstract).


Rydell, J., Russo, D., Hedenström, A. 2012. Barbastelle bats on a rocky island: The end of a paradigm? In: VIII Congresso Italiano di Teriologia. Piacenza, Italy, March 2012 (abstract).


Rydell, J. 2011. The effect of wind turbines on bats and what we can do about it. In: RenewableUK 2011 Annual Conference and Exhibition, 25-27 October 2011, Manchester, UK (abstract).


Dubourg-Savage, M.-J., Rodrigues, L., Santos, H., Bach, L. & Rydell, J. 2011. Pattern of bat fatalities at wind turbines in Europe: Comparing north and south. In: Proceedings. Conference on wind energy and wildlife impacts. 2-5 May 2011, Trondheim, Norway (May, R. & Bevenger, K., eds.). NINA report 693, p. 124 (abstract). - PDF


Rydell, J., Hedenström, A. & Green, M. 2011. Effect of wind turbine mortality on noctule bats in Sweden: Predictions from a simple population model. In: Proceedings. Conference on wind energy and wildlife impacts. 2-5 May 2011, Trondheim, Norway (May, R. & Bevenger, K., eds.). NINA report 693, p. 51 (abstract). - PDF


Lancaster, W. C. & Rydell, J. 1999. How moths were shaped by bat predation. American Zoologist 38, 13A (abstract).


Jensen, M., Miller, L. A. & Rydell, J. 1998. Does clutter and noise from rippled waters influence the foraging behaviour of Daubenton´s bat, Myotis daubentoni? In: Proceedings of the Göttingen Neurobiological Conference 1998, Vol. 2 (Elsner, M. & Wehner, R., eds.), p. 325 (abstract).


Svensson, M. G. E., Rydell, J. & Töve, J. 1998. Deep flowers for long tongues. Trends in Ecology and Evolution 13, 459-460. - PDF


Rydell, J. & Swift, S. M. 1995. Observations of Nathusius´ pipistrelle, Pipistrellus nathusii, in northern Scotland. Scottish bats 3, 6 (note).


Speakman, J. R., Racey, P. A. & Rydell, J. 1995. Second Brittish record for the northern bat Eptesicus nilssonii: from a North Sea oil rig. Scottish bats 3, 9 (note).


Holmes, M., Racey, P. A. & Rydell, J. 1995. Do pipistrelles use night roosts? Scottish bats 3, 19 (note).


Racey, P. A. & Rydell, J. 1995. A whiskered bat in north-east Scotland. Scottish bats 3, 5 (note).


Rydell, J., Catto, C. M. C. & Racey, P. A. 1993. Observations of Leisler´s bat Nyctalus leisleri in northern Scotland. Scottish bats 2, 5-6 (note).



Popular articles


Rydell, J. 2014. Bats in the tunnel. Nature Conservation, Taiwan, 87, 30-43. - PDF


Ahlén, I., Ahlén, J. & Rydell, J. 2013. Fladdermusfaunan i Valle härad. Skaraborgsnatur 48, 92-99. - PDF


Rydell, J., Hedenström, A., Hjort, C. & Russo, D. 2012. Fladdermöss på Capri. Fauna och flora 107, 38-43. - PDF


Rydell, J. 2008. Öga för detaljer. Camera Natura 2008 (4), 40-49.


Rydell, J. & T. Pape. 2007. Den säregna köttflugan Nyctia halterata (Panzer) funnen i Sverige. Fauna och Flora 102, 34-35. - PDF


Rydell, J., H. Bartsch & R. Bygebjerg. 2007. Ståndsblomfluga Cheilosia bergenstammi ny för Sverige - funnen på strandängar i Bohuslän. Fauna och Flora 102, 29-31. - PDF


Rydell, J. 2007. Fynd av sällsynta blomflugor i Ulricehamns kommun sommaren 2006. Fauna och Flora 102, 24-28. - PDF


Rydell, J. 2006. Biologisk mångfald på Ätradalsskolan. In: Natur och friluftsliv – Resurs för skolor Sverige runt, pp. 12-13. Naturvårdsverket, Stockholm


Rydell, J. & Jönsson, M. 2006. Fågeljagande fladdermöss. Fauna och Flora 101, 10-11. - PDF


Hägerås, M., Wahlström, N., Lönn, B. & Rydell, J. 2002. Fladdermöss i Västra Götalands län. Fauna och Flora 97, 32-38. - PDF


Rydell, J. & Isaksson, D. 2002. Faunan i det kambriska havet. Camera Natura 2002 (2), 28-34.


Rydell, J. & Lindmark, H. 2001. Fjällens flygande fästning. Sveriges Natur 92 (3-4), 70-112.


Johansson, L. & Rydell, J. 2001. Ammoniter från Sydpolen. Camera Natura 2001 (4), 58-59.


Rydell, J. & Sundberg, P. 2000. Rovdjuren satte fart på utvecklingen. Forskning och Framsteg 35 (2), 29-33. - PDF


Rydell, J., Svensson, A. M. & Danielsson, I. 2000. Att gå på vattnet. Camera Natura 2000 (2), 46-47.


Rydell, J. 1999. Vinterfjäril med och utan päls. Forskning och Framsteg 34 (1), 12-15. - PDF


Rydell, J., Gerell, R., de Jong, J., Odelberg, C. & Unger, U. 1999. Fladdermössen i Kleva Gruva. Fauna och Flora 94, 1-8. - PDF


Rydell, J., Gerell, R. & Apelkvist, L-E. 1999. Antalet övervintrande fladdermöss i gruvan i Smålands Taberg ökar. Fauna och Flora 94, 107-144.


Rydell, J. & Röjestål. J. 1999. Mysis relicta. Camera Natura 1999 (4), 46-47.


Rydell, J. & Baagöe, H. J. 1997. Gatlampor ökar fladdermössens predation på fjärilar. Entomologisk Tidskrift 117, 129-135. - PDF


Rydell, J. 1997. De sällsynta fladdermössen i Karlsborgs Fästning. Skaraborgsnatur 34, 58-60. - PDF


Rydell, J. 1997. Luttra gånggrift. Camera Natura 1997 (1), 42-43.


Rydell, J. 1997. Frostfjärilen. Camera Natura 1997 (4), 36-37.


Rydell, J. 1996. Fossil från Västgötabergen. Camera Natura 1996 (4), 31-34.


Rydell, J. & Baagoe, H. J. 1996. Bats and streetlamps. Bats (Bat Conservation International) 14, 10-13.


Rydell, J. 1995. Fladdermöss - Nattens Tysta Jägare. Naturvårdsverket och WWF, Stockholm, 1-12.


Rydell, J. 1993. Fladdermöss snålar med energi. Fauna och Flora 88, 18-22. - PDF


Rydell, J. 1993. Fladdermöss i Valleområdet och Lugnås. Skaraborgsnatur 30, 10-13. - PDF


Rydell, J. 1993. Vägbelysning ger fladdermöss nya jaktmarker. Forskning och Framsteg 1993 (5), 24-27.


Rydell, J. 1992. Miljoner fladdermöss. Aktuell Fotografi 1992 (5), 40-45.


Rydell, J. & Strann, K.-B. 1992. Flaggermus i Troms og Finnmark. Fauna (Oslo) 45, 64-69.


Rydell, J. 1990. The northern bat of Sweden: Taking advantage of a human environment. Bats (Bat Conservation International) 8, 8-11.


Rydell, J. 1990. Projekt fladdermöss. Hasselblad Forum 26, 14-15.


Rydell, J. 1990. Fladdermöss i Norden. Camera Natura 1990 (3), 48-51.


Rydell, J. 1989. Jordkällare som övervintringsplatser för fladdermöss. Fauna och Flora 84, 49-53.


Rydell, J. 1989. Mera fladder i Tabergs gruvhål. Sveriges Natur 80, 52.


Rydell, J. 1987. Fladdermössen behöver kyrkorna. Fauna och Flora 82, 88-90. - PDF


Rydell, J. 1987. Fladdermössens sommarnatt. Sveriges Natur 78, 1-11.


Rydell, J. 1987. Vem är rädd för en fladdermus? Hasselblad Extramagasinet 1987 (2), 3.


Rydell, J. 1986. SNF köper Taberg; Vinterkvarter för sex arter fladdermöss. Sveriges Natur 77, 31.


Rydell, J. 1983. Övervintrande bredörad fladdermus, Barbastella barbastellus Schreber 1774, i Västergötland. Fauna och Flora 78, 69-70. - PDF



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