Porpoise Sounds as Sonar Signals

Kellogg, W. N.; Kohler, Robert Ε.; Morris, H. N.

doi:10.1126/science.117.3036.239

Cited by 71 publications

(35 citation statements)

References 6 publications

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“…The work was important, however, because it was suggestive of hearing capability more than four times as high as the upper limit for the average human. A more comprehensive report by Kellogg (1953) demonstrated a similar response from three separate groups of bottlenose porpoises. The upper sound level at which the response was produced 100% of the time varied from 50 to 80 kc.…”

supporting

confidence: 54%

An Experimental Demonstration of Echolocation Behavior in the Porpoise, Tursiops Truncatus (Montagu)

Norris¹,

Prescott²,

Asa-Dorian³

et al. 1961

The Biological Bulletin

156

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supporting

confidence: 54%

An Experimental Demonstration of Echolocation Behavior in the Porpoise, Tursiops Truncatus (Montagu)

Norris¹,

Prescott²,

Asa-Dorian³

et al. 1961

The Biological Bulletin

156

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“…These values are in general accordance with several other published frequency ranges (cited in : e.g., Kellogg et al 1953, Dreher 1961, Dreher and Evans 1964, Lilly and Miller 1961. found that overall average duration was 0.96 seconds, although values ranged from 0.2 to 5.5 seconds.…”

Section: Signature Whistles -Bacwundsupporting

confidence: 92%

Development and functions of signature whistles of free-ranging bottlenose dolphins, Tursiops truncatus

Sayigh¹

1992

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“…Acoustic communication is utilised by many species to perform various functions within their populations: to attract potential mates [2,3]; to defend territories [4]; to alert conspecifics to predator presence [5–8]; to maintain social cohesion [9]; to locate prey [10,11]; or to help with orientation [12–14]. The fitness of individuals is directly related to the efficiency of this communication, and external factors influencing acoustic signal transmission play an important role in the ecology of these species.…”

Section: Introductionmentioning

confidence: 99%

The Importance of Ambient Sound Level to Characterise Anuran Habitat

2013

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Habitat characterisation is a pivotal step of any animal ecology study. The choice of variables used to describe habitats is crucial and need to be relevant to the ecology and behaviour of the species, in order to reflect biologically meaningful distribution patterns. In many species, acoustic communication is critical to individuals’ interactions, and it is expected that ambient acoustic conditions impact their local distribution. Yet, classic animal ecology rarely integrates an acoustic dimension in habitat descriptions. Here we show that ambient sound pressure level (SPL) is a strong predictor of calling site selection in acoustically active frog species. In comparison to six other habitat-related variables (i.e. air and water temperature, depth, width and slope of the stream, substrate), SPL had the most important explanatory power in microhabitat selection for the 34 sampled species. Ambient noise was particularly useful in differentiating two stream-associated guilds: torrents and calmer streams dwelling species. Guild definitions were strongly supported by SPL, whereas slope, which is commonly used in stream-associated habitat, had a weak explanatory power. Moreover, slope measures are non-standardized across studies and are difficult to assess at small scale. We argue that including an acoustic descriptor will improve habitat-species analyses for many acoustically active taxa. SPL integrates habitat topology and temporal information (such as weather and hour of the day, for example) and is a simple and precise measure. We suggest that habitat description in animal ecology should include an acoustic measure such as noise level because it may explain previously misunderstood distribution patterns.

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Porpoise Sounds as Sonar Signals

Cited by 71 publications

References 6 publications

An Experimental Demonstration of Echolocation Behavior in the Porpoise, Tursiops Truncatus (Montagu)

An Experimental Demonstration of Echolocation Behavior in the Porpoise, Tursiops Truncatus (Montagu)

Development and functions of signature whistles of free-ranging bottlenose dolphins, Tursiops truncatus

The Importance of Ambient Sound Level to Characterise Anuran Habitat

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