Beaked whale
Acoustic and foraging behavior of a Baird’s beaked whale, Berardius bairdii, exposed to simulated sonar
... Baird’s beaked whale was swimming close to the seafloor throughout the ...Baird’s beaked whale and sound production behavior of the ...
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Effective beam pattern of the Blainville's beaked whale (Mesoplodon densirostris) and implications for passive acoustic monitoring
... other beaked whale species avoiding the difficulties associated with apply- ing tags to these cryptic ...recorded beaked whale-like sounds in a variety of areas (Baumann-Pickering et ...
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Passive acoustic monitoring of beaked whale densities in the Gulf of Mexico
... the sensor. In the click counting method the width of the beam pattern and the off-axis source level directly contributed to the overall detection probability. Beyond a few hundred meters horizontal range, only clicks ...
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First confirmed sighting of Sowerby’s beaked whale (Mesoplodon bidens (Sowerby, 1804)) with calves in the Northeast Atlantic
... Sowerby’s beaked whale calves from the Northeast ...Sowerby’s beaked whales are likely to be more abundant in Irish waters than previously indicated (Kowarski et ...
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Density estimation implications of increasing ambient noise on beaked whale click detection and classification
... frequency band where most of the energy from beaked whale clicks is present. The hydrophones at AUTEC have four distinct classes of hardware with cor- responding array names: Whiskey 1, Whiskey 2, Advanced ...
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Anthropogenic impact on a pregnant Cuvier's beaked whale (Ziphius cavirostris) stranded in Brazil
... Cuvier’s beaked whale is currently consid- ered as a species of “Least Concern” by the International Union for Conservation of Nature (IUCN), it presents “Insufficient Data” status at the national Brazilian ...
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Cuvier's beaked whale (Ziphius cavirostris) head tissues: physical properties and CT imaging
... Cuvier’s beaked whale (Ziphius cavirostris) is the most abundant species of the Ziphiidae family of toothed whales (Heyning, 1989b), yet much about it remains ...Cuvier’s beaked whales typically ...
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Audiogram of a stranded Blainville's beaked whale (Mesoplodon densirostris) measured using auditory evoked potentials
... complete beaked whale audiograms are representative of beaked whale hearing or just ends of the spectrum of individual variation can only be determined as more audiograms become ...
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True’s beaked whale (Mesoplodon mirus) in Macaronesia
... many beaked whale species are rare events and just a few have been made for True’s beaked ...Gervais’ beaked whales. The distribution of True’s beaked whales was once thought to be ...
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Description of the skeleton of the fossil beaked whale Messapicetus gregarius: searching potential proxies for deep-diving abilities
... sperm whale Livyatan melvillei and the giant sharks Cosmopolitodus ...extant beaked whales based on several mass strandings of Mesoplodon densirostris and Ziphius cavirostris directly related to naval ...
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Evaluating the effect of measurement error in pairs of 3D bearings in point transect sampling estimates of density
... assume whale sounds to occur at depths sampled from a uniform distribution between 1500 and 1000 m deep ...on-axis beaked whale clicks estimated at AUTEC as described in Marques et ...
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Extreme diving of beaked whales
... of beaked whales would seem to pose a greater risk for the generation of supersaturated tissue and subsequent decompression stress than the deep, long foraging dives, where the alveoli are collapsed for most of ...
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Biosonar performance of foraging beaked whales (Mesoplodon densirostris)
... Blainville’s beaked whales differ from what is known/has been conjectured about the biosonar performance of bats and dolphins by the lack of transmission AGC, and much longer ICIs than what would be predicted from ...
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Biosonar performance of foraging beaked whales (Mesoplodon densirostris)
... The beaked whale sonar also differs significantly from the biosonar performance reported for bats and dolphins in other ...the whale, ...that beaked whales have a 12 or 6·dB AGC in the ...
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Beaked whales respond to simulated and actual navy sonar
... 4. Whale acoustic activity and dive behavior before, during and after sound playback ...one beaked whale tagged in 2007 (A–C) and another beaked whale tagged in 2008 (E–G) with the time ...
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Distribution, abundance and habitat use of deep diving cetaceans in the North East Atlantic
... Cuvier’s beaked whale (Ziphius cavirostris) which is listed as least concern, beaked whales and long-finned pilot whales are listed globally as Data Deficient and in the Atlantic, sperm whales are ...
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Modelling the broadband propagation of marine mammal echolocation clicks for click based population density estimates
... The effect of differences in assumed click energy distri- bution was investigated by assuming the same broadband energy flux of the Blainville’s beaked whale click and vary- ing the spectral energy ...
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Experimental field studies to measure behavioral responses of cetaceans to sonar
... with beaked whales within a naval range where ani- mals were routinely exposed to sonar without docu- mented stranding events and where a hydrophone array could detect clicking beaked whales in real ...
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Acoustic behaviour of echolocating porpoises during prey capture
... and beaked whales Mesoplodon densirostris and Ziphius cavirostris (Johnson et ...toothed whale species studied emit regularly spaced clicks, thought to be functionally analogous to the search phase of bat ...
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Automated Species Classification Methods for Passive Acoustic Monitoring of Beaked Whales
... Cuvier’s beaked whale ...Cuvier’s beaked whale clicks at off-axis angles is hypothesized to have a stronger similarity to that of Risso’s dolphins as compared to Gervais’ and Cuvier’s ...
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