Bottlenose Dolphins
Residency and behavioural patterns of coastal bottlenose dolphins (Tursiops truncatus) in the Arrábida and Tróia shores (Portugal)
... 15 increase the encounters with groups of bottlenose dolphins and to guarantee the collection of sufficient photo-id and behavioural data. Systematic surveys were also conducted between 2010 and 2011 and ...
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Distribution and abundance of bottlenose dolphins (Tursiops truncatus) on the south coast of Portugal
... The human population growth has also brought more threats to wildlife, such as the overexploitation of prey resources, the effects of climate change, chemical and noise pollution (Hammond et al. 2013), bycatch in fishing ...
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Antimicrobial resistance of the upper respiratory tract commensal microbiota in bottlenose dolphins (Tursiops truncatus), under human care
... in dolphins, both free-range individuals and those under human ...healthy bottlenose dolphins, living under human care at the entertainment and educational oceanographic park Zoomarine - Mundo ...
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Multi-regional acoustic repertoires of bottlenose dolphins : commom themes, geographical variatons and ecological factors
... by bottlenose dolphins in the Sado region range from long, slow click trains to short burst-pulses with very high repetition rate, as it has been described for other delphinid species ...white-beaked ...
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Skin mark patterns of bottlenose dolphins (Tursiops truncatus) in the Ría de Arousa, Galicia (Spain)
... resident bottlenose dolphins of the Ría de Arousa (NW ...on bottlenose dolphins and compare them between adult males and ...of dolphins observed during 98 ...
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Spatial and temporal distribution of bottlenose dolphins, Tursiops truncatus, in the Madeira archipelago, NE Atlantic
... of bottlenose dolphins in Madeira ...of dolphins in the ...area, bottlenose dolphins showed an overall higher encounter rate to the east of Madeira, particularly in the northeast and ...
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Social structure of the declining resident community of common bottlenose dolphins in the Sado Estuary, Portugal
... The resident population of common bottlenose dolphins (Tursiops truncatus) in the Sado Estuary, Portugal, has been declin- ing at least during the past three decades. A complete photographic census produced ...
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Effects of vessel noise on underwater vocalizations of bottlenose dolphins, Tursiops truncatus, in the Sado Estuary
... abstract Maritime traffic is an important source of disturbance for coastal cetaceans, especially for local and resident populations, like the bottlenose dolphins (Tursiops truncatus) population in the Sado ...
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Underwater vocalization of bottlenose dolphins in the region of the Sado estuary: acoustic features and occurence patterns
... exposes bottlenose dolphins to numerous threats, such as pollution, habitat alteration, boat traffic, interactions with commercial and recreational fisheries, including bycatch mortality, and dolphin watch ...
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Changes in the acoustic behavior of resident bottlenose dolphins near operating vessels
... of bottlenose dolphins (Tursiops truncatus) overlap with routes of intense maritime traffic, which presents an opportu- nity to assess vocal responses of these dolphins to specific vessel noise ...
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Early social networks predict survival in wild bottlenose dolphins.
... levels, the dopamine and serotonin systems, and even hippo- campal neuronal morphology [48]. We suggest that juvenile males directly harass their younger counterparts. In a previous investigation of socio-sexual ...
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A Quantitative Analysis of Pulsed Signals Emitted by Wild Bottlenose Dolphins.
... that bottlenose dolphins are able to adjust their click emission and use burst-pulses with ICIs lower than the two-way transit time during long-range biosonar tasks ...
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Adrenal Gland and Lung Lesions in Gulf of Mexico Common Bottlenose Dolphins (Tursiops truncatus) Found Dead following the Deepwater Horizon Oil Spill.
... GoM dolphins from Texas with both acute and chronic disease have been conducted, but no cases of adrenal cortical atrophy were identified ...of dolphins dying from chronic disease (likely chronically ...
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Influence zones of pile-drive noise on a resident population of bottlenose dolphins in the Sado estuary, Portugal
... Furthermore, bottlenose dolphins have the ability to change the dominant frequency of echolocation clicks in order to avoid masking from other acoustic signals ...
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Whistles of bottlenose dolphins (Tursiops truncatus) in the Sado Estuary, Portugal: Characteristics, production rates, and long-term contour stability
... In summary, the data presented contribute to the comparative study of the whistle acoustic characteristics and production patterns in wild populations of bottlenose dolphins. No relation was found between ...
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Platelet-rich plasma and adipose-derived mesenchymal stem cells for regenerative medicine-associated treatments in bottlenose dolphins (Tursiops truncatus).
... that dolphins share common gene and protein expression patterns with humans and that dolphin physiology may be a reliable model for studying human disease [32,33], Therefore, although commercial dolphin anti- ...
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Behavioural ecology and habitat use of bottlenose dolphin (Tursiops truncatus) in São Tomé and Príncipe
... When bottlenose dolphins groups were sighted, GPS position and time were collected as well as data about animals, such as group size, composition and behaviour (travelling, feeding, socializing, resting and ...
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Molecular assessment of mating strategies in a population of Atlantic spotted dolphins.
... Most mammalian systems are polygynous and multi-male mating is common [36]. It is ex- pected that females will mate with multiple males potentially due to the benefits of paternity confusion [37], or genetic benefits to ...
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Amazon river dolphins (Inia geoffrensis) use a high-frequency short-range biosonar
... We hypothesised that botos click at high rates, based on the assumptions that search ranges will be short in shallow water environments, where a potential added effect of clutter and reverberation might create an ...
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Distribution and habitat use of bottlenose dolphin (Tursiops truncatus) in central and south west of Portugal mainland
... of bottlenose dolphins from ten different research ...of bottlenose dolphins, the results of the study led to propose a Special Area of Conservation, for this species in the region (Gnone et ...
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