Results 81 to 90 of about 709 (139)
Bottlenose Dolphin Hydrodynamics Research
Journal of Aquaculture & Marine Biology, 2015 Data collected thus far, including surface photography, and underwater high definition video footage, have provided answers to many initial questions while providing opportunities for further studies, such as, dolphin burst speeds used in catching fast swimming fish and/or avoiding predatory attacks.
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MetabolitesBackground/Objectives: Dolphins inhabiting coastlines can be influenced by anthropogenic factors. As biochemical changes accumulate in blubber over weeks to months, blubber metabolites may be informative biomarkers of molecular adaptations to ...
Makayla A. Guinn +2 more
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The Development of Echolocation in Bottlenose Dolphins
, 2016 This study aimed to expand on previous efforts to evaluate the ontogeny of echolocation in Atlantic bottlenose dolphins ( Tursiops truncatus ). Data consisted of echolocation recordings and concurrent behavioral observations taken from one calf in 2000 and from five additional dolphin calves and their mothers in 2002 housed at the U.S.
Harder, Jennifer Hendry +5 more
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Unihemispheric sleep deprivation in bottlenose dolphins [PDF]
Journal of Sleep Research, 1992 SUMMARY Unihemispheric and bihemispheric sleep deprivation were performed in bottlenose dolphins. One brain hemisphere was capable of being deprived of delta (0.5‐3.0 Hz) sleep in the former condition. Here, an increase in sleep pressure was observed during sleep deprivation in the deprived hemisphere.
Vladimir Kovalzon
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The Experience of Self in the Bottlenose Dolphin
Consciousness and Cognition, 1995Marten and Psarakos have presented some evidence which suggests that objective self-awareness and possibly representations of self may characterize the dolphins' experience of self. Their research demonstrates the possibility of similarities in the sense of self between primate species and dolphins, although whether dolphins have subjective self ...
D, Hart, J W, Whitlow
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Congenital Scoliosis of a Bottlenose Dolphin
Journal of Wildlife Diseases, 2011There are many reports of cetaceans with deformed and twisted bodies. Skeletal pathology descriptions have shown changes to axial skeletons because of injury, trauma, or disease. We present a bottlenose dolphin (Tursiops truncatus) that shows characteristic patterns of congenital skeletal deformity, including malformed vertebrae, ribs, and sternum ...
Ruth, DeLynn +3 more
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Comprehension of sentences by bottlenosed dolphins
Cognition, 1984Abstract The ability of two bottlenosed dolphins (Tursiops truncatus) to understand imperative sentences expressed in artificial languages was studied. One dolphin (Phoenix) was tutored in an acoustic language whose words were computer-generated sounds presented through an underwater speaker.
L M, Herman, D G, Richards, J P, Wolz
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Superalliance of bottlenose dolphins
Nature, 1999It is quite common to find several levels of nested male alliances in human political organization1, 2 but these are extremely rare in other species3. Yet we found that male bottlenose dolphins (Tursiops sp.) at Shark Bay, Western Australia, form two levels of alliance within a social network of more than 400 individuals.
Richard C. Connor +2 more
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Visual Problem-Solving in a Bottlenose Dolphin
Science, 1964A captive 8-year-old dolphin, well adapted to contact with human beings, was tested by the discrimination method for underwater perception of visual forms or patterns. The animal successfully discriminated 21 of the 25 pairs of stimuli presented. After having learned a particular combination, the dolphin was immediately able to respond to different but
W N, KELLOGG, C E, RICE
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