The Indian purple frog (Nasikabatrachus sahyadrensis) is a unique and elusive endangered species found in the Western Ghats of India. Here are three clips of vocalizations recorded from 10 individuals. Read more about the study on PLOS ONE: http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0084809#s5

Citation: Thomas A, Suyesh R, Biju SD, Bee MA (2014) Vocal Behavior of the Elusive Purple Frog of India (Nasikabatrachus sahyadrensis), a Fossorial Species Endemic to the Western Ghats. PLoS ONE 9(2): e84809. doi:10.1371/journal.pone.0084809

Continuous Calling by a Single Male Indian Purple Frog

Alternating and Overlapping Calls between Two Males

Vocal Interactions between Two Males

Citation: 

To read the full article: http://dx.plos.org/10.1371/journal.pone.0130541

Stridulations emit by Pheidole pallidula queen

Stridulations emit by Pheidole pallidula worker

Stridulations emit by Pheidole pallidula soldier

Stridulations emit by Paussus favieri

Audio showing Hylodes japi males executing advertisement, peep, and squeal calls (advertisement and agonistic contexts). 

Audio showing Hylodes japi male frogs executing advertisement, peep, and squeal calls

Citation: 

To read the full article: http://dx.plos.org/10.1371/journal.pone.0144197

Balema singing (Gilbertiodendron dewevrei)

Citation: 

To read the full article:  http://dx.plos.org/10.1371/journal.pone.0144197

Mobimba singing (Gilbertiodendron dewevrei)

Kusu humming (Pteleopsis hylodendron)

Southern white rhinoceros whine

Linn SN, Boeer M, Scheumann M (2018) First insights into the vocal repertoire of infant and juvenile Southern white rhinoceros. PLoS ONE 13(3): e0192166. https://doi.org/10.1371/journal.pone.0192166

Southern white rhinoceros whine

Southern white rhinoceros threat

Linn SN, Boeer M, Scheumann M (2018) First insights into the vocal repertoire of infant and juvenile Southern white rhinoceros. PLoS ONE 13(3): e0192166. https://doi.org/10.1371/journal.pone.0192166

Southern white rhinoceros threat

Southern white rhinoceros pant

Linn SN, Boeer M, Scheumann M (2018) First insights into the vocal repertoire of infant and juvenile Southern white rhinoceros. PLoS ONE 13(3): e0192166. https://doi.org/10.1371/journal.pone.0192166

Southern white rhinoceros pant

Social interaction between several narwhals.

Balder Conference

female narwhal echolocating while on a foraging dive

Eistla RegularClicksWithEchoes

female narwhal producing a “burst pulse” with sounds of running water from a melting glacier in the background.

PLOS ONE article: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0198295

Freya BurstPulseWithRunningWater

call by female Frida,

PLOS ONE article: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0198295

Frida TripleTrumpet

social interaction between several narwhals.

PLOS ONE article: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0198295

Helge Conference

foraging by female Thora – she echolocates and then “buzzes” as she homes in on something of interest

PLOS ONE article: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0198295

Thora Conference

four consecutive burst pulses by female Thora.  Between the calls you can hear her fluke strokes as she is swimming.

PLOS ONE article: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0198295

Thora FourBurstPulsesA

four consecutive burst pulses by female Thora.  Calls more closely spaced than previous sample.

PLOS ONE article: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0198295

Thora FourBurstPulsesB

Example phrases of whale songs 

http://www.plosone.org/article/info:doi/10.1371/journal.pone.0051214

Citation: Stimpert AK, Peavey LE, Friedlaender AS, Nowacek DP (2012) Humpback Whale Song and Foraging Behavior on an Antarctic Feeding Ground. PLoS ONE 7(12): e51214. doi:10.1371/journal.pone.0051214

Image courtesy of Ari Friedlaender under permit (NMFS #808-1735)

Humpback Whale Song

Example phrases of whale songs recorded off the Western Antarctic Peninsula.

http://www.plosone.org/article/info:doi/10.1371/journal.pone.0051214

Citation: Stimpert AK, Peavey LE, Friedlaender AS, Nowacek DP (2012) Humpback Whale Song and Foraging Behavior on an Antarctic Feeding Ground. PLoS ONE 7(12): e51214. doi:10.1371/journal.pone.0051214

Image courtesy Ari Friedlaender under permit (NMFS #808-1735)

Humpack Whale Songs

Sample of the amplitude of EEG signals translated to music from a resting state.

http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0049773

Citation: Lu J, Wu D, Yang H, Luo C, Li C, et al. (2012) Scale-Free Brain-Wave Music from Simultaneously EEG and fMRI Recordings. PLoS ONE 7(11): e49773. doi:10.1371/journal.pone.0049773

Brain-Wave Music EEG

Sample of EEG-fMRI signals from a resting state translated to music

www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0049773#abstract0

Citation: Lu J, Wu D, Yang H, Luo C, Li C, et al. (2012) Scale-Free Brain-Wave Music from Simultaneously EEG and fMRI Recordings. PLoS ONE 7(11): e49773. doi:10.1371/journal.pone.0049773

Brain-Wave Music EEG-fMRI 2

Scops Owl (Otus jolandae) songs
Sapit, Lombok, September 2003

http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0053712#s5

Citation: Sangster G, King BF, Verbelen P, Trainor CR (2013) A New Owl Species of the Genus Otus (Aves: Strigidae) from Lombok, Indonesia. PLoS ONE 8(2): e53712. doi:10.1371/journal.pone.0053712

Owl (Otus jolandae) Song

Seasonal changes in photosynthetically active radiation were used to generate these chords.  Temperature, soluble reactive phosphate, nitrate, nitrite, saline, silicate, and chlorophyll A concentrations were used to comprise the eight notes of the melody for each measure. 

http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0058119

Larsen P, Gilbert J (2013) Microbial Bebop: Creating Music from Complex Dynamics in Microbial Ecology. PLoS ONE 8(3): e58119. doi:10.1371/journal.pone.0058119

photo credit: flickr/C. E. Duchess

Blues For Elle

Different forms of laughter activate different regions of the brain depending on whether the laughter is joyous, taunting or a response to tickling. Researchers found that joyous or taunting laughter activated brain regions that are sensitive to processing more complex social information while tickling laughter did not.

http://www.plosone.org/article/info:doi/10.1371/journal.pone.0063441

Citation: Wildgruber D, Szameitat DP, Ethofer T, Brück C, Alter K, et al. (2013) Different Types of Laughter Modulate Connectivity within Distinct Parts of the Laughter Perception Network. PLoS ONE 8(5): e63441. doi:10.1371/journal.pone.0063441

Image: A-maze-ing Laughter by chris.huggins

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