humpback dolphins
Evaluation of different management approaches to reduce the bycatch of Indo-Pacific humpback dolphins (Sousa chinensis) and Australian snubfin dolphins (Orcaella heinsohni) in Queensland, Australia
... deterring humpback and snubfin dolphins from a pinger array, I experimentally investigated whether a commercially available acoustic alarm modified the behavior of each species of dolphin in the absence of ...
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Demographic characteristics of Australian humpback dolphins reveal important habitat toward the southwestern limit of their range
... note that there was considerable support for mark- recapture models that included heterogeneity. How- ever, data sparseness prevented us from including these models in our model-averaging set. Therefore, the predictable ...
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Apparent source levels and active communication space of whistles of free ranging Indo Pacific humpback dolphins (Sousa chinensis) in the Pearl River Estuary and Beibu Gulf, China
... bottlenose dolphins within a distance of 50 m (Jensen et ...local humpback dolphins, especially the hydrofoil ferries at heavy shipping lanes of the PRE, deserves further ...
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Demographic characteristics of Australian humpback dolphins reveal important habitat toward the southwestern limit of their range
... Table S8. Models fitted to observed LIR data of Australian humpback dolphins on the North West Cape, Western Australia. For description of model equations see Whitehead (2001). The models that best fitted ...
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First record of the Indo-Pacific humpback dolphins (Sousa chinensis) southwest of Hainan Island, China
... According to a recent survey of fishermen carried out around the coast of Hainan Island, China, it was expected that humpback dolphins were appearing in waters south- west of Hainan Island. Boat-based ...
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Records of Australian humpback dolphins (Sousa sahulensis) from an offshore island group in Western Australia
... are humpback dolphins present at offshore islands they may have little interaction with humpback dolphins using mainland coastal ...Australian humpback dolphin catalogue from Exmouth, ...
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Multi-modal sexual displays in Australian humpback dolphins
... Australian humpback dolphins (Sousa sahulensis) over ten years of ...Male humpback dolphins appear to be using sponges for signalling purposes in multi-modal sexual ...
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Evaluation of different management approaches to reduce the bycatch of Indo-Pacific humpback dolphins (Sousa chinensis) and Australian snubfin dolphins (Orcaella heinsohni) in Queensland, Australia
... encountering humpback and snubfin dolphins, acoustic surveys could be used in conjunction with line-transect vessel surveys (Rankin et ...the dolphins’ distribution in remote areas of the Queensland ...
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Bycatch and strandings programs as ecological indicators for data-limited cetaceans
... common dolphins, Delphinus delphis, were markedly more fre- quent in bycatch than in the strandings dataset, suggesting that they are more prone to being incidentally caught than other cetacean species in the ...
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Population differentiation and hybridisation of Australian snubfin (Orcaella heinsohni) and Indo-Pacific humpback (Sousa chinensis) dolphins in north-western Australia
... snubfin dolphins at Cygnet and Roebuck Bays as independent ...between humpback dolphins at the Dampier Archipelago and North West Cape, there is significant population structure and limited gene flow ...
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Echolocation in sympatric Peale's dolphins (Lagenorhynchus australis) and Commerson's dolphins (Cephalorhynchus commersonii) producing narrow band high frequency clicks
... Peale’s dolphins are more directional than what has been reported for ...Peale’s dolphins, respectively, and the corresponding transmitting directionality indices (DIs) were 25dB for both ...white-beaked ...
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The behaviour and vocalisations of common dolphins Delphinus delphis at Marineland, Napier, New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Zoology at Massey University
... The behaviour and vocalisations of common dolphins Delphinus delphis at Marineland, Napier, New Zealand.. Deborah Jane Kyngdon..[r] ...
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Some Aspects of Analysis of Dolphins’ Acoustical Signals
... echo-signals of the non-coherent pulses both from side- walls and pool bottom and even from dolphin Yasha have the high levels. In the other words the echo-signals levels from rostral, lateral and ventral directions of ...
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Non song social call bouts of migrating humpback whales
... However, humpback whales are generally only visible for a small proportion of the time when at the surface and the ma- jority of calls are produced while under ...
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Population biology of bottlenose dolphins in the Azores archipelago
... patches. Dolphins were observed to repeatedly move back and forth between two areas, within and between years, but no individuals were ever seen in a third ...that dolphins retain some memory of favoured ...
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Differences between upstroke and downstroke in swimming dolphins
... The force calculations for Sotalia predict negative or braking forces on average over the upstroke period when the animal decelerates and large positive forces during the downstroke, coi[r] ...
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Thermal tolerance in bottlenose dolphins (Tursiops truncatus)
... bottlenose dolphins, resulting in a northward range extension into central California (Hansen and Defran, 1993; Wells et ...bottlenose dolphins continues to reside in this region even though the water ...
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Cetacean morbillivirus, a journey from land to sea and viceversa
... barriers”, thereby giving rise to disease and mortality outbreaks in free-ranging dolphins and whales.. 343[r] ...
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Young humpback whale Megaptera novaeangliae feeding in Santa Catarina coastal waters, Southern Brazil, and a ship strike report
... A dead female humpback whale was found stranded on 16 th October 2014, at Ingleses beach (27°26'27.6"S, 048° 22'26.4"W) in Florianópolis, Santa Catarina, southern Brazil (Fig. 1). The 8.36 m long carcass ...
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Humpback whale inspired design for tidal turbine blades
... This study is to further improve the hydrodynamic performance of tidal turbines by applying leading-edge tubercles to the blades inspired by the humpback whales. The study first focused on the design and ...
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