Incluye referencias bibliográficas e índice CONTENIDO: Introduction: vocal control and acoustically guided behavior in bats -- New aspects of doppler shift compensation in the horseshoe bat, Rhinolophus rouxi -- Sensory motor behavior of free flying FM bats during target capture -- Biosonar pulse production in odontocetes: the state of our knowledge -- Comparison of click characteristics among odontocete species -- Structure of harbor porpoise acoustic signals with high repetition rates -- Echolocation in the risso's dolphin, grampus griseus: a preliminary report -- Echolocation and social signals from white beaked dolphins, lagenorhynchus albirostris, recorded in icelandic waters -- Acoustic properties of echolocation signals by captive pacific white sided dolphins -- Modeling of the click production mechanism in the dolphin -- The harbor porpoise (Phocoena phocoena) - Modeling the sonar transmission mechanism -- Auditory systems in echolocating mammals -- Introduction: the ears of whales and bats -- Cochlear anatomy related to bat echolocation -- Otoacoustic emissions and cochlear mechanisms in echolocating bats -- The effect of projector position on the underwater hearing thresholds of bottlenose dolphins (Tursiops truncatus) at 2, 8, and 12 kHz -- Central auditory processing of temporal information in bats and dolphins -- Midbrain integrative mechanisms and temporal pattern analysis in echolocating bats -- Sensitivity to interaural time differences in the sound envelope in the inferior colliculus and auditory cortex of the pallid bat -- Temporal dynamics of amplitude-tuning of the little brown bat in the inferior colliculus -- Neural processing of target distance: transformation of combination-sensitive responses -- Neural mechanisms underlying the analysis of target distance -- Temporal processing of rapidly following sounds in dolphins: evoked-potential study -- Chemical neuroanatomy of the inferior colliculus in brains of echolocating and nonecholocating mammals: immunocytochemical study. continuación del CONTENIDO: Feature extraction and neural activity: advances and perspectives -- Feature extraction in the mustached bat auditory cortex -- The auditory cortex of the little brown bat, Myotis lucifugus -- Processing of frequency-modulated sounds in the Carollia auditory and frontal cortex -- Corticofugal modulation of midbrain auditory sensitivity in the bat -- Auditory communication and echolocation in the mustached bat: computing for dual functions within single neurons -- The auditory cortex of the horseshoe bat: neuroarchitecture and thalamic connections of physiologically characterized fields -- Modulation of frequency tuning of thalamic and midbrain neurons and cochlear hair cells by the descending auditory system in the mustached bat -- Relationship between frequency and delay tuning in the FM bat myotis lucifugus -- Performance and cognition in echolocating mamals -- Introduction: performance and cognition in echolocating mammals -- The significance of multimodal orientation in phyllostomid bats -- Frequency processing at search call frequencies in eptesicus fuscus: adaptations for long distance target classification? -- Forward masking and the consequences on echo perception in the gleaning bat, megaderma lyra -- The relationship of detection thresholds to the number of echoes in the big brown bat, eptesicus fuscus -- Bats learning to use echoes with unfamiliar time-frequency structures -- Object recognition by dolphins -- Identity versus conditional cross-modal matching by the bottlenose dolphin -- Dolphin echolocation shape perception: from sound to object -- Ecological and evolutionary aspects of echolocating mammals -- Introduction: ecological and evolutionary aspects of echolocation in bats -- Evolution of bat defense in lepidoptera: alternatives and complements to ultrasonic hearing -- Evolution of echolocation and foraging behavior in bats -- do echolocation signal parameters restrict bats' choice of prey?. continuación del CONTENIDO: Cryptic species of echolocating bats -- Aerial feeding bats: getting the most out of echolocation -- Discrimination of prey during trawling by the insectivorous bat, myotis daubentonii -- Energy cost of echolocation in stationary insectivorous bats -- The role of arctiid moth clicks in defense against echolocating bats: interference with temporal processing -- Auditory adaptations of katydids for the detection and evasion of bats -- How extrinsic sounds interfere with bat biosonar -- Functional aspects of echolocation in dolphins -- Echolocation recording and localization of wild spinner dolphins (Stenella longirostris) and pantropical spotted dolphins (S. attenuata) using a four-hydrophone array -- A case for passive sonar: analysis of click train production patterns by bottlenose dolphins in a turbid estuary -- Social and nonsocial uses of echolocation -- Variable spectra and nondirectional characteristics of clicks from near surface sperm whales (Physeter catodon) -- A comparative analysis of the pulsed emissions of free ranging hawaiian spinner dolphins (Stenella longirostris) -- Clicks produced by captive Amazon river dolphins (Inia geoffrensis) in sexual content -- High frequency burst pulse sounds in agonistic/aggressive interactions in bottlenose dolphins, Tursiops truncatus -- Echolocation theory, analysis tecnhiques, and applications -- Introduction: a biologically plausible framework for auditory perception in FM bats -- Recent methodological advances in the recording and analysis of chiropteran biosonar signals in the field -- Call character lexicon and analysis of field recorded bat echolocation calls -- Who's calling? acoustic bat species identification revised with synergetics -- Synthetic aperture and image sharpening models for animal sonar -- Biomimetic sonar objects from echoes -- An investigation of active reception mechanisms for echolocators. continuación del CONTENIDO: Acoustic simulation of phantom target echoes in dolphin behavioral experiments -- Possible echolocation abilities in other mammals -- Introduction: pinniped sensory systems and the echolocation issue -- Ultrasonic underwater sounds from a captive leopard seal (Hydrurga leptonyx) -- Vocalizations from weddell seals (Leptonychotes weddellii) during diving and foraging -- Echolocation in insectivores and rodents -- Potential use of low-frequency sounds by baleen whales for probing the environment: evidence from models and empirical measurements.