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International Bioacoustics Council
International Bioacoustics Council (IBAC)

XXI IBAC Symposium - Program



Location of the Congress

Palazzo San Tommaso, Aula G1


  • General bioacoustics (G. Pavan)
  • In-air communication in mammals (I. Charrier & D. Reby)
  • How to describe, measure and compare complex acoustic communication signals in birds and mammals? (J. Vielliard)
  • Animal communication networks: from behaviour to brain (T. Aubin & N.Mathevon)
  • Monitoring the Environment: Bioacoustics as a tool for inventory and monitoring of biodiversity (K. Frommolt et al.)
  • The impacts of anthropogenic noise (Y. Yan et al.)
  • 2nd European workshop on animal sound research and libraries (X.Eekhout, G.Pavan)


Detailed programme

Friday, 14th September 2007

16:00-19:00 Registration


Saturday 15th September 2007


8:15 Registration

9:00 Conference Opening
Welcome by the Authorities
Welcome by Patrick Sellar, President of IBAC

General Bioacoustics (G.Pavan)

9:30 Tide and social interactions modulate the vocal behaviour of the Lusitanian toadfish, Halobatrachus didactylus M.C.P. Amorim, J.M. Simões, V.C. Almada, P.J. Fonseca

9:45 Development of ultrasound social calls made by adult Rhinolophus ferrumequinum bats from infant bat ultrasound calls M. Andrews, T.P. McOwat, P.T. Andrews, R.J. Haycock

10:00 The role of acoustic dispersion in the mouths of bats during echolocation P.T. Andrews

10:15 Auditory temporal resolution in a cicada is enhanced by the characteristics of the calling song P.J. Fonseca, T. Correia

10:30 Coffee Break

11:00 Surprizing discoveries in palaearctic mountain cicadas by acoustic research M. Gogala, T. Trilar, S. Drosopoulos

11:15 The advertisement calls of Stripless treefrog (Hyla meridionalis) and European treefrogs (H. arborea): sympatry versus allopatry C. Moreira, R. Marquez, E. Crespo

11:30 Differences in acoustic signals of five Lake Malawi cichlid species (Pseudotropheus spp.): Implications for evolutionary processes J.M. Simões, P. Fonseca, G. Turner, M.C.P. Amorim

11:45 The cicadas from the genus Pagiphora (Hemiptera, Cicadidae) are singing in surprisingly low frequencies T. Trilar, M. Gogala

12:00 Stridulation in sympatric species of Pachycondyla (Formicidae, Ponerinae): from the production organ to behavioural coding F. Rybak, P. Marchand, D. Fresneau

12:15 Intra-individual variation of serin Serinus serinus song A. Mamede, P.G. Mota

12:30 Vocal communication of Siberian crane Grus leucogeranus: it's doesn't matter, who are you - your sex is important E.V. Bragina, I.R. Beme

Lunch time: buffet in the yards of the University of Pavia (University Coffee Shop)


In-air communication in mammals (I.Charrier, D.Reby)

14:30 Calf's vocal recognition by mother in Atlantic walrus: a first field experimental study I. Charrier, I. Mathevon, T. Aubin

14:45 Application of the source-filter theory and PSOLA re-synthesis to the study of mammal vocal communication D. Reby

15:00 How and when do lambs recognize the bleats of their mothers? F. Sèbe, T. Aubin, O. Sèbe, G. Perrin, R. Nowak, P. Poindron

15:15 Knee clicking reflects body size of eland bulls: an unusual source of information? J. Bro-Jørgensen

15:30 Human listeners attend to size information in domestic dog growls A.M. Taylor, D. Reby

15:45 Fundamental frequency and formant frequencies of groans encode information about male quality in fallow deer (Dama dama) A.G. McElligott, E. Vannoni

16:00 On the information content of Barbary macaque copulation calls J. Fischer

16:15 Song complexity in the indris M. Gamba, V. Sorrentino, L. Favaro, V. Torti, C. Giacoma

16:30 Coffee Break

17:00 On the structure of male rodent courtship songs K. Hammerschmidt, J. Fischer

17:15 Changes in the acoustic structure of fallow buck groans during the rut E. Vannoni and A. G. McElligott,

17:30 The temporal instability of individual alarm calls in the spleckled ground squirrels (Spermophilus suslicus) I.A. Volodin, V.A. Mastrova, E.V. Volodina

17:45 Selection for tame or aggressive behaviour toward humans affects vocalization in the red fox Vulpes vulpes E.V. Volodina, S.S. Gogoleva, I.A. Volodin, L.N. Trut

18:00 Bellow amplitude of bison (Bison bison) reflects male quality, motivation, and seasonal condition M.T. Wyman, M.S. Mooring, B.J. McCowan, K. Hodge, L.A. Hart


Sunday 16th September 2007

How to describe, measure and compare complex acoustic communication signals in birds and mammals? (J.Vielliard)

09:00 Evolutionary trends towards higher complexity in bird songs J. Vielliard

09:15 Concepts and methods for dealing with large vocal repertoires: from thrushes to marine mammals D. Todt

09:30 The signal repertoire of Killer Whales Orcinus orca: how social factors can influence the development of dialects J. Cirillo, J. Almunia, D. Todt

09:45 Repertoire size and entropy measures: comparative results in versatile songs M. L. da Silva

10:00 Measuring variability with bits and q-bits J. R. Castilho Piqueira

10:30 Coffee Break

11:00 Review of spectral trajectory analysis (STA), an unsupervised learning method for quantifying vocal repertoires A. Thorn

11:15 Analysis of Male Pied Flycatcher (Ficedula hypoleuca) Song Complexity J.T. Tanttu, J. Turunen, T. Laaksonen, P. Sirkiä

11:30 Discussion

12:00-13:00 Poster session Lunch time, enjoy the quiet town centre


Animal communication networks: from behaviour to brain (T.Aubin, N.Mathevon)

14:30 Transmission of acoustic signals and information transfer in a communication network M. Naguib

14:45 The group signature in the complex song of a songbird, the skylark Alauda arvensis E. Briefer, F. Rybak, T. Aubin

15:00 How juveniles black caimans use sounds to communicate? A.L. Vergne, N. Mathevon, T. Aubin, P. Taylor

15:15 Inter-sexual acoustic communication in Xenopus laevis: temporal coding of gender and spectral coding of sex-appeal C. Vignal

15:30 Alarm calling and sentinel activity in Arabian babblers C. Sommer

15:45 The call of the Yelkouan shearwater: sexual and individual identities C. Curé, N. Mathevon, T. Aubin

16:00 Sound detection and communication in the European gudgeon Gobio gobio in a shallow creek L.E. Wysocki, F. Ladich

16:15 Responses to natural classes of songs in the auditory telencephalon of adult male starlings I. George, H. Cousillas, J.-P. Richard, M. Hausberger

16:30 Coffee Break

17:00 Heterospecific stimulation, attention and song learning in starlings: a long-term study F. Rousseau, L. Henry, C. Sankey, C. Aubry, M. Hausberger

17:15 Developmental song learning in the zebra finch S. Derégnaucourt, M. Gahr

17:30 Song and brain development of canaries raised under restricted acoustic environments S. Leitner, S. Belzner, C. K. Catchpole

17:45 Acoustic features of female song vary with competitive context in sex-role reversed African black coucals (Centropus grillii) N. Geberzahn, W. Goymann, C. Ten Cate

18:00 Chaffinch song variation and its meaning in the context of sexual selection A. Leitao, K. Riebel


Monday 17th September 2007

Monitoring the Environment: Bioacoustics as a tool for inventory and monitoring of biodiversity (K.Frommolt, R.Marquez, G.Pavan)

09:00 Playback experiment as a tool for detecting genetic diversity: combined bioacoustic and DNA data to assess passerine biodiversity in Southeast Asia M. Gelang

09:15 Terrestrial sound monitoring systems, a methodology for calibration and data processing R. Márquez, D. Llusia, R. Bowker

09:30 Acoustic Monitoring of Bird Species in a Riparian Zone in Kentucky, USA Using an Automated Recording System A. Meier, O. Meier, J. Bowers, C. Hamilton, M. G. Skaggs, R. Marquez and R. G. Bowker.

09:45 Nearest-Neighbor Techniques for the Monitoring of Nocturnal Flight Calls H. Figueroa, A. Farnsworth

10:00 Geographical variation in the songs of North Atlantic blue whales (Balaenoptera musculus) and its potential use in population monitoring L. Di Iorio, I. Voellmy, S. Tgetgel, C.W. Clark

10:15 Automated Detection of Eurasian Bittern (Botaurus stellaris) Calls for Acoustical Wildlife Monitoring R. Bardali, K.-H. Tauchert

10:30 Coffee Break

11:00 Bioacoustic Monitoring of Birds K.-H. Frommolt, K.-H. Tauchert

11:15 Acoustic identification of bats using support vector machines and ensembles of neural networks S. Parsons, G. Jones, J. Szewczak, R. Redgwell

11:30 Computer-aided inventories of bioacoustic diversity: first results and future needs K. Riede

11:45 Acoustic monitoring in the South-Western Indian Ocean reveals call characteristics and seasonal occurrence of two blue whale subspecies F. Samaran, I. Charrier, T. Aubin, O. Adam, J.-F. Motsch, R. Gérard, C. Guinet

12:00 Advertisement call characteristics of two discoglossid allopatric subspecies, Bombina b.bombina and B.b.arifiyensis: acoustical implications for their subspecies recognition U. Kaya

12:15 Automatic Detection of Locustella luscinioides in Natural Environments D. Wolff, R. Bardeli, F. Kurth, K.-H. Tauchert

12:30 On the use of image processing to identify bioacoustic signals T. S. Brandes



The impacts of anthropogenic noise (Y.Yan)

14:30 Ambient noise as a selective force for ultrasonic communication in frogs P.M. Narins, A.S. Feng, Jun-Xian Shen

14:45 Effects of traffic noise on acoustic communication in birds K.M. Parris

15:00 Bird song and noise: short- and long-term adaptations of avian vocalizations H. Brumm

15:15 Effects of Urban Noise on Avian Song K. Seger, A. Rodewald, J. Soha

15:30 Divergence in song and morphology between city and forest populations of the European blackbird E. Ripmeester, H. Slabbekoorn

15:45 Accessory functions of the lateral line in inducing the startle reflex behaviour to high intensity sound Kazuhiko Anraku

16:00 Assessing effects of an acoustic marine geophysical survey on the behaviour of bottlenose dolphins, Tursiops truncatus S. Van der Woude

16:15 Characterization of Noises Generated by Aerators and its Possible Impacts on Cultured Fish and Shrimp Hong Young Yan, Hsin-Yi Yu, Wu Jung Lee

16:30 Coffee Break

17:00-19:00 Poster Session

20:30 Social Dinner at Collegio Cairoli Don't forget your reservation ticket! See the map to locate it!


Tuesday 18th September 2007

Technical Session

09:00 Microphones & Parabolas to capture nature sounds by K. Strandberg

09:30 10:00 Poster session

10:30 Coffee break

11:00 Poster session

11:30 AGM


2nd European workshop on animal sound research and libraries & Round Table Organized within the frame of EDIT WP4 (X. Eekhout, G.Pavan)

14:00 Sound libraries: aims, roles, responsibilities R. Ranft

14:10 "Fonoteca Zoologica" www.FonoZoo.com the web-based animal sound library of the Museo Nacional de Ciencias Naturales (CSIC), Madrid, Spain R. Márquez, X. Eekhout & M. Pérez

14:20 Fonoteca ZOOLÒGICA, Museu de Ciències Naturals de la Ciutadella de Barcelona. Past, Present and Future A. Omedes, A. M. Figuerola

14:30 Current activities at the Humboldt-University animal sound archive K.-H. Frommolt

14:40 ASA, the Amazonian Sound Archive J.M.E. Vielliard

14:50 Sound libraries at CIBRA G. Pavan, C. Fossati, M. Manghi, M. Priano

15:00 Slovenian Wildlife Sound Archive T. Trilar and M. Gogala

15:10 BARN (Bioacoustic Resource Network) On Building a Distributed Network of Annotated Sound Libraries to Support Bioacoustics Research H. Figueroa

15:20 Funding opportunities for a network in Bioacoustics within EU's 7th Framework Program X. Eekhout

15:30 Questions & Answers

15:40 Coffee Break

16:10 Round Table: action plan for objectives of the EWASRL formulated at the EDIT-sponsored first workshop, 27-30 September 2006 - see http://www.ibac.info/bioac_collections.html

Introduction by Rafael Marquez & Richard Ranft

Proposal of bylaws and webpage of the "European Network of Bioacoustics Collections for Taxonomy and Conservation" by Xavier Eekhout

18:00 Final Remarks

18:30 Conclusion of the Congress




1 Freely faceted classification for a BioAcoustic Reference Database C. Gnoli, G. Pavan, G. Merli, M. Priano, E. Bernuzzi

2 Machine Learning Techniques for the Classification of Orthoptera Songs F. Schwenker, D. Latif, C. Thiel, K. Riede, G. Palm

3 Seewave: a sound analysis multi-tool J. Sueur, T. Aubin, C. Simonis-Sueur

4 SeaWave. Real-time sound analysis tool for PAM, research and education G. Pavan

5 Framework for develop prototype bioacoustic devices in aid of open sea Killer Whales protection J.P. Luke, J. Almunia, F. Rosa

6 An Automated Digital Sound Recording System: The Amphibulator M. Cambron, R. Márquez, J. Bowers, A. Meier, R. G. Bowker

7 A software tool for distributing/collecting digital audio on a network M. Bassanini, G. Pavan

8 New tools for monitoring noise in both terrestrial and acquatic environments G. Pavan, M. Manghi

9 A new generation of bottom recorders M. Manghi, G. Pavan

10 A call monitoring system to study acoustic communicaton in anurans V.B. Zanollo, V. Marconi, G. Berto, L. Spagnolo, L. Tontini, M. Gamba, C. Greco, S. Castellano.

11 Avian flight calls during nocturnal migration: automated recording, detection and species identification T. Schrama, M. Poot, M. Robb & H. Slabbekoorn



12 Morphology of the stridulation organs in various species of Trogidae (Coleoptera), with an initial study of distress signals in Trox cadaverinus Ill. and T. scaber (L.) J. Benes

13 Stridulatory organ and stress-induced sound of females of the velvet ant, Myrmilla capitata (Hymenoptera: Mutillidae) C. Polidori, C. Settanni, L. Borruso, F. Gaudesi, G. Pavan

14 Geographic variation in the male calling song of Isophya posthumoidalis (Orthoptera, Tettigonioidea, Phaneropteridae) K. M. Orci, G. Szövényi, B. Nagy



15 Fin whale, Balaenoptera physalus, reaction to an earthquake J.-P. Gallo-Reynoso, J. Égido-Villarreal, G. Martínez-Villalba

16 Whistles structure of two populations of Sotalia dolphins (Cetacea: Delphinidae) in Pará State, Brazil N.R. Emin de Lima, M.L. da Silva

17 Phonetic description of seven delphinid species whistles recorded in the Mediterranean Sea M. Azzolin, A. Gannier, A. Cañadas, N. Perez-Gimeno, M. Gamba, M. O. Lammers, C. Giacoma

18 NEMO and way ahed G. Pavan, G. Riccobene, NEMO Collaboration

19 The sonar of dolphins: behavioral experiments versus auditory evoked potential methods G. Zaslavski

20 Experiments on automated detection and clustering of sounds of Tursiops truncatus S. Huebner



21 Influences of the habitat on usage and structure of vocalizations in olive baboons (Papio hamadryas anubis) E. Ey, K. Hammerschmidt, D. Zinner, J. Fischer

22 The Acoustic Repertoire of Asian Elephants (Elephas maximus) in Captivity M. Artelt, C. Scharff

23 Acoustic communication in African elephants (Loxodonta africana): Who is calling? R. Lintner, A. S. Stoeger-Horwath, H. M. Schwammer, H. Kratochvil

24 Early vocal ontogeny in African elephants A. S. Stoeger-Horwath, S. Stoeger, H. Schwammer, H. Kratochvil, R. Lintner

25 It´s all about freshness - Stimuli eliciting ultrasonic vocalizations from wild male house mice (Mus musculus musculus) F. Hoffmann, K. Musolf, D. Penn

26 Does maternal stress affect ultrasonic vocalizations in mice? D. Oddi, L. Garbugino, F.R. D'Amato, E. Prato Previde, A. Moles

27 The undistinguishable alarm whistle frequencies in adult and juvenile ground squirrels: the way to avoid an age-dependent risk? V. A. Matrosova, I. A. Volodin, E. V. Volodina

28 Howling playback as a tool for monitoring wolf packs: tests of signal propagation and acousticfrequency discrimination F. Sebe, C. Duchamp, N. Heitz, R. Latini, T. Aubin



29 Vocal repertoire of wild breeding Orange-winged Parrot Amazona amazonica in Amazonia L. Negrão de Moura, M.L. da Silva

30 Species-specific differences in the timing of the dawn chorus in Passerines G. Solís, A. Dreiss, Y. Espmark, H. Lampe, T. Limburg, P. Perret, P. Slater, N.Yoccoz, D.Gil

31 Concerning the periods of existence of Redwing's (Turdus iliacus) local dialects L.A. Osipova

32 Signals of need and identity - the development of multi-component begging calls in colonial weaver birds H. Reers, A. Jacot

33 Segmentation patterns in African Grey Parrot (Psittacus erithacus) vocal production S. Masin, L. Bottoni, R. Massa, D. Lenti Boero

34 Individual-specific information is contained in domesticated canary songs C. Del Negro, K. Lehongre

35 The long-term stability of pair-specific duet structures in the red-crowned crane Grus japonensis can be used for the vocal-based monitoring of territorial pairs through the years A.V. Klenova, I.A. Volodin, E.V. Volodina

36 Iberian Azure-winged magpie (Cyanopica (cyana) cooki) nestlings begging calls: call characterization and hunger signalling P.A.M. Marques

37 Acoustic monitoring of a sensitive species to forest fragmentation: the Ocellated antbird Araya, Yi-men

38 Same-sex pair bonds in Zebra finches J. Elie, C. Vignal, N. Mathevo

39 Additive signal processing in nightingales (Luscinia megarhynchos) P. Sprau, R. Schmidt, T. Roth, V. Amrhein, M. Naguib

40 Call repertoire of an endemic avian species the Indian Chat Cercomela fusca Vinaya Kumar Sethi & Dinesh Bhatt

41 First recordings of ural owl (Strix uralensis) vocalizations in the Cansiglio forest (N-E Veneto region, Italy). A further proof of presence A. Favaretto, F. Mezzavilla, S. Lombardo, G. Pavan

42 Longitudinal study of song type repertoire changes in common nightingales (Luscinia megarhynchos) Sarah Kiefer



43 Calling parameters and the effect of temperature in Bombina bombina and Bombina variegata R. Márquez, D. Cogalniceanu, D. Llusia, X. Eekhout, G.M. Tena

44 Acoustical and thermal monitoring of Iberian population of anurans. Preliminary comparative results with Alytes cisternasii R. Márquez, D. Llusia, X. Eekhout, J.F. Beltrán, J.P. Sousa Do Amaral, C. Moreira, R. Bowker & M. Cambron.



45 Vocal behaviour during territorial intrusions in the Lusitanian toadfish: mating boatwhistles arealso a territorial 'keep-out signal' M.C.P. Amorim, J.M. Simões, V.C. Almada , P. J. Fonseca

46 Acoustic communication in the Lusitanian toadfish, Halobatrachus didactylus: evidence for an unusual large vocal repertoire M.C.P. Amorim, J.M. Simões, V.C. Almada, P.J. Fonseca

47 Acoustic Signaling - a substrate for Sexual Selection in African Chiclids? M.J. Van Staaden, A.R. Smith

48 Evaluating the impact of small boat noise on marine protected area fish species: a DBht (species) approach as management tool A. Codarin, L.E. Wisocki, F. Ladich, A. Farina, M. Spoto, M. Picciulin,

49 Why so noisy during spawning: sound production in Catonotus darters C.E. Johnston, D.E. Holt

50 Ambient and anthropogenic noise in a plain river in Northern Italy C. Fossati, G. Pavan, M. Priano



51 The value of information - What to communicate? A. Mamede, P.G. Mota

52 Neurofunctional spectrographic analysis of cry of brain injured asphyxiated: a physioacoustic and clinical study D. Lenti Boero, C. Lenti

53 Cry of preterm infants recorded at term: a spectrographic study D. Lenti Boero, C. Lenti

54 Effect of propagation on speech in natural middles J. Meyer, L. Dentel

55 The role of Sound Libraries in the development of education and conservation programs G. Pavan, G.Pinoli

56 The sounds of life on earth: wildlife sounds in The British Library Sound Archive C. Tipp


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