Results 51 to 60 of about 13,875 (264)
The Journal of Physiology, EarlyView.Abstract figure legend Unoccupied aerial vehicle (UAV)‐based photogrammetry provides measurements equivalent to traditional hand measurements in bottlenose dolphins. Mass estimates derived from UAV measurements closely match the true body mass of live individuals.
Riccardo Cicciarella +7 more
wiley +1 more source
Polar bear attack on a juvenile narwhal
Fauna Norvegica, 1990 A juvenile female narwhal Monodon monoceros landed at Pond Inlet had several sets of scratches on the posterior part of the body. They were probably made by a polar bear Ursus maritimus in the course of an unsuccessful attack.
Michael C.S. Kingsley
doaj +1 more source
Long-term changes in species composition and relative abundances of sharks at a provisioning site. [PDF]
PLoS ONE, 2014 Diving with sharks, often in combination with food baiting/provisioning, has become an important product of today's recreational dive industry. Whereas the effects baiting/provisioning has on the behaviour and abundance of individual shark species are ...
Juerg M Brunnschweiler +2 more
doaj +1 more source
Ontogenetic Patterns of Elemental Tracers in the Vertebrae Cartilage of Coastal and Oceanic Sharks
Frontiers in Marine Science, 2021 As predators, coastal and oceanic sharks play critical roles in shaping ecosystem structure and function, but most shark species are highly susceptible to population declines.
Mariah C. Livernois +7 more
doaj +1 more source
Abundance of Belugas, Delphinapterus leucas, in Cook Inlet, Alaska, 1994–2000 [PDF]
, 2000 Annual abundance estimates of belugas, Delphinapterus leucas, in Cook Inlet were calculated from counts made by aerial observers and aerial video recordings.
DeMaster, Douglas P. +2 more
core
Size-based variation in intertissue comparisons of stable carbon and nitrogen isotopic signatures of bull sharks (Carcharhinus leucas) and tiger sharks (Galeocerdo cuvier) [PDF]
, 2010 Stable isotopes are important tools for understanding the trophic roles of elasmobranchs. However, whether different tissues provide consistent stable isotope values within an individual are largely unknown.
Heithaus, Michael R. +2 more
core +1 more source
How sharks and shark - human interactions are reported in major Australian newspapers [PDF]
, 2020 Few phrases evoke more negative emotion, or generate more media coverage, than ‘shark attack’ despite the few deaths that have been attributed to shark bite. Typically, tabloids are considered to provide more sensational coverage than broadsheets.
Burgin, Shelley +2 more
core +2 more sources
Pharmacognosy Reviews, 2010 Leucas aspera commonly known as 'Thumbai' is distributed throughout India from the Himalayas down to Ceylon. The plant is used traditionally as an antipyretic and insecticide. Medicinally, it has been proven to possess various pharmacological activities like antifungal, antioxidant, antimicrobial, antinociceptive and cytotoxic activity.
Prajapati, M. S. +3 more
openaire +3 more sources
The Anatomical Record, Volume 309, Issue 1, Page 5-32, January 2026.Abstract Hybodontiformes was a diverse, successful, and important group of shark‐like chondrichthyans known from a variety of ecosystems. Some representatives of the order had a wide palaeogeographic distribution, as is the case with Priohybodus arambourgi. With a multicuspidate crown, P. arambourgi was the first hybodontiform to develop fully serrated
Estevan Eltink +5 more
wiley +1 more source
Beluga, Delphinapterus leucas, Habitat Associations in Cook Inlet, Alaska [PDF]
, 2000 A review of available information describing habitat associations for belugas, Delphinapterus leucas, in Cook Inlet was undertaken to complement population assessment surveys from 1993-2000.
Litzky, Laura K. +4 more
core