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toothed whales

Function and evolution of specialized endogenous lipids in toothed whales

Function and evolution of specialized endogenous lipids in toothed whales

... all toothed whales examined possess some wax esters, and some type of shorter-chain (<16 carbons) or BCFA in the acoustic fat bodies, I propose that the synthesis of these unusual lipids originated in ...

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Physiological, morphological, and ecological tradeoffs influence vertical habitat use of deep diving toothed whales in the Bahamas

Physiological, morphological, and ecological tradeoffs influence vertical habitat use of deep diving toothed whales in the Bahamas

... Previous studies have noted a positive relationship between dive duration and body mass, specifically among the toothed whales [19], and more broadly among cetaceans, mammals, and other tetrapods [19–21]. A ...

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Analyses of ovarian activity reveal repeated evolution of post-reproductive lifespans in toothed whales

Analyses of ovarian activity reveal repeated evolution of post-reproductive lifespans in toothed whales

... killer whales and short nned pilot whales have been shown to display a markedly increased rate of reproductive senescence relative to somatic ageing In these species a signi cant proportion of females live ...

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Analyses of ovarian activity reveal repeated evolution of post-reproductive lifespans in toothed whales

Analyses of ovarian activity reveal repeated evolution of post-reproductive lifespans in toothed whales

... Age vs Corpora relationship Relative rate of reproductive senescence Phys-PrR stable population [shrinking population Ð growing population] Common name Species name Conclusion Reproducti[r] ...

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Estimated tissue and blood N2 levels and risk of in vivo bubble formation in deep , intermediate  and shallow diving toothed whales during exposure to naval sonar

Estimated tissue and blood N2 levels and risk of in vivo bubble formation in deep , intermediate and shallow diving toothed whales during exposure to naval sonar

... sperm whales, pilot whale and killer whales in the Norwegian Sea, off the coast of Northern Nor- way, in 2006–2009 (Miller et ...beaked whales off Andro’s Island, Bahamas, in 2007–2008 (Tyack et ...

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Establishing death in stranded Odontocetes (toothed whales) using other mammals : a pilot study : a thesis presented in partial fulfillment of the requirements for the degree of Master of Science in Zoology at Massey University

Establishing death in stranded Odontocetes (toothed whales) using other mammals : a pilot study : a thesis presented in partial fulfillment of the requirements for the degree of Master of Science in Zoology at Massey University

... 7 4.7 List of Abbreviations for Figure 4.8 6.1 Mean of the Retinal Pulse Rate beats/min and the Heart Rate beats/min in live cattle Bos taurus , and the difference between these scores 6[r] ...

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Establishing death in stranded Odontocetes (toothed whales) using other mammals : a pilot study : a thesis presented in partial fulfillment of the requirements for the degree of Master of Science in Zoology at Massey University

Establishing death in stranded Odontocetes (toothed whales) using other mammals : a pilot study : a thesis presented in partial fulfillment of the requirements for the degree of Master of Science in Zoology at Massey University

... 7 4.7 List of Abbreviations for Figure 4.8 6.1 Mean of the Retinal Pulse Rate beats/min and the Heart Rate beats/min in live cattle Bos taurus , and the difference between these scores 6[r] ...

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The biology of South African Bryde's whales

The biology of South African Bryde's whales

... Bryde’s whales than for larger, longer lived baleen whales for which survival rates are known ...most toothed whales); a shortage of food for even one or two days can be catastrophic to their ...

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Single source sound production and dynamic beam formation in echolocating harbour porpoises (Phocoena phocoena)

Single source sound production and dynamic beam formation in echolocating harbour porpoises (Phocoena phocoena)

... Echolocating toothed whales produce high-powered clicks by pneumatic actuation of phonic lips in their nasal ...non-physeteroid toothed whales have two pairs of phonic lips allowing many of ...

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High diving metabolic rate indicated by high speed transit to depth in negatively buoyant long finned pilot whales

High diving metabolic rate indicated by high speed transit to depth in negatively buoyant long finned pilot whales

... deep-diving toothed whales (Fig. 4). The cruising speed of sperm whales, beaked whales and bottlenose whales was similar to the optimal swim speed expected from their body mass, ...

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Body condition impacts blood and muscle oxygen storage capacity of free living beluga whales (Delphinapterus leucas)

Body condition impacts blood and muscle oxygen storage capacity of free living beluga whales (Delphinapterus leucas)

... Beluga whales (Delphinapterus leucas) exhibit a circumpolar distribution and are the most abundant Arctic species of toothed whales (Odontoceti), and are thus a potential indicator species for the ...

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Functional properties of myoglobins from five whale species with different diving capacities

Functional properties of myoglobins from five whale species with different diving capacities

... as whales (cetaceans) are able to remain submerged for long periods of ...the toothed whales (odontocetes), with the sperm whale being able to dive to depths of more than 2000m and stay submerged ...

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Deep diving pilot whales make cheap, but powerful, echolocation clicks with 50 µL of air

Deep diving pilot whales make cheap, but powerful, echolocation clicks with 50 µL of air

... Despite the small air volume expended per click, pilot whales need to recycle air frequently at depth. Periodic upward steps in the resonance frequencies (Fig. 2b) indicate that air is recycled from the vestibular ...

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Causes and consequences of female centrality in cetacean societies

Causes and consequences of female centrality in cetacean societies

... to toothed whales, it is the one form of female kinship organisation that most profoundly affects baleen whale ...right whales, Eubalaena australis, suggesting this may be the case across many ...

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Disturbance specific social responses in long finned pilot whales, Globicephala melas

Disturbance specific social responses in long finned pilot whales, Globicephala melas

... social toothed whales and the biological significance of their behavioural responses, we investigated the type and magnitude of long-finned pilot whale responses to two sources of anthro- pogenic ...

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Amazon river dolphins (Inia geoffrensis) modify biosonar output level and directivity during prey interception in the wild

Amazon river dolphins (Inia geoffrensis) modify biosonar output level and directivity during prey interception in the wild

... that toothed whales use during the phases of target approach and buzzing and in the transition between the two (Madsen et ...marine toothed whales (Ladegaard et ...beaked whales, ...

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Diverse foraging strategies by a marine top predator : sperm whales exploit pelagic and demersal habitats in the Kaikōura submarine canyon

Diverse foraging strategies by a marine top predator : sperm whales exploit pelagic and demersal habitats in the Kaikōura submarine canyon

... when whales were foraging in mid-water vs near the seafloor, suggesting that whales might be targeting different prey types in these two ...that whales might line up slow- moving or unsuspecting prey ...

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Sound production and associated behavior of tagged fin whales (Balaenoptera physalus) in the Southern California Bight

Sound production and associated behavior of tagged fin whales (Balaenoptera physalus) in the Southern California Bight

... of call rate as it related to individual and group behav- ior of the tagged whales. Focal follow data gave an indi- cation of potential social context of calling, in terms of broad behavioral states (surface ...

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Quantifying the energy stores of capital breeding humpback whales and income breeding sperm whales using historical whaling records

Quantifying the energy stores of capital breeding humpback whales and income breeding sperm whales using historical whaling records

... humpback whales (Megaptera novaeangliae) (n = 905) and sperm whales (Physeter macrocephalus) (n = ...sperm whales, consistent with size-related energy stores. Male humpback whales stored ...

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Extreme diving of beaked whales

Extreme diving of beaked whales

... 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 the ...

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