Functional convergence in bat and toothed whale biosonars

PT Madsen, A Surlykke - Physiology, 2013 - journals.physiology.org
Echolocating bats and toothed whales hunt and navigate by emission of sound pulses and
analysis of returning echoes to form a self-generated auditory scene. Here, we demonstrate …

Click communication in wild harbour porpoises (Phocoena phocoena)

PM Sørensen, DM Wisniewska, FH Jensen… - Scientific Reports, 2018 - nature.com
Social delphinids employ a vocal repertoire of clicks for echolocation and whistles for
communication. Conversely, the less social and acoustically cryptic harbour porpoises …

Estimating the abundance of the critically endangered Baltic Proper harbour porpoise (Phocoena phocoena) population using passive acoustic monitoring

M Amundin, J Carlström, L Thomas… - Ecology and …, 2022 - Wiley Online Library
Knowing the abundance of a population is a crucial component to assess its conservation
status and develop effective conservation plans. For most cetaceans, abundance estimation …

Nasal sound production in echolocating delphinids (Tursiops truncatus and Pseudorca crassidens) is dynamic, but unilateral: clicking on the right side and whistling …

PT Madsen, M Lammers… - Journal of …, 2013 - journals.biologists.com
Toothed whales produce sound in their nasal complex by pneumatic actuation of phonic lip
pairs within the blowhole. It has been hypothesized that dual actuation of the phonic lip pairs …

Implications of porpoise echolocation and dive behaviour on passive acoustic monitoring

JDJ Macaulay, L Rojano-Doñate… - The Journal of the …, 2023 - pubs.aip.org
Harbour porpoises are visually inconspicuous but highly soniferous echolocating marine
predators that are regularly studied using passive acoustic monitoring (PAM). PAM can …

Raising your voice: evolution of narrow-band high-frequency signals in toothed whales (Odontoceti)

A Galatius, MT Olsen, ME Steeman… - Biological Journal of …, 2019 - academic.oup.com
Cetaceans use sound for communication, navigation and finding prey. Most extant
odontocetes produce broadband (BB) biosonar clicks covering frequency ranges from tens …

[HTML][HTML] Peale's dolphins (Lagenorhynchus australis) are acoustic mergers between dolphins and porpoises

MJ Martin, ST Ortiz, M Wahlberg, CR Weir - Journal of Experimental Marine …, 2024 - Elsevier
Most dolphin species produce broadband clicks for echolocation (ie, biosonar pulses), and
whistles and burst-pulsed calls for communication purposes. A few dolphin species in the …

Clicking in shallow rivers: short-range echolocation of Irrawaddy and Ganges river dolphins in a shallow, acoustically complex habitat

FH Jensen, A Rocco, RM Mansur, BD Smith, VM Janik… - PloS one, 2013 - journals.plos.org
Toothed whales (Cetacea, odontoceti) use biosonar to navigate their environment and to
find and catch prey. All studied toothed whale species have evolved highly directional, high …

Clicking in a killer whale habitat: narrow-band, high-frequency biosonar clicks of harbour porpoise (Phocoena phocoena) and Dall's porpoise (Phocoenoides dalli)

LA Kyhn, J Tougaard, K Beedholm, FH Jensen, E Ashe… - PloS one, 2013 - journals.plos.org
Odontocetes produce a range of different echolocation clicks but four groups in different
families have converged on producing the same stereotyped narrow band high frequency …

Acoustic gaze adjustments during active target selection in echolocating porpoises

DM Wisniewska, M Johnson… - Journal of …, 2012 - journals.biologists.com
Visually dominant animals use gaze adjustments to organize perceptual inputs for cognitive
processing. Thereby they manage the massive sensory load from complex and noisy …