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99 results for “sperm whale”
Data from: Kinship of long-term associates in the highly social sperm whale
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The long-range echo scene of the sperm whale biosonar
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Data from: Socially segregated, sympatric sperm whale clans in the Atlantic Ocean
Sperm whales (Physeter macrocephalus) are unusual in that there is good evidence for sympatric populations with distinct culturally determined behaviour, including potential acoustic markers of the population division. In the Pacific, socially segregated, vocal clans with distinct dialects coexist; by contrast, geographical variation in vocal repertoire in the Atlantic has been attributed to drift. We examine networks of acoustic repertoire similarity and social interactions for 11 social units in the Eastern Caribbean. We find the presence of two socially segregated, sympatric vocal clans whose dialects differ significantly both in terms of categorical coda types produced by each clan (Mantel test between clans: matrix correlation = 0.256; p ≤ 0.001) and when using classification-free similarity which ignores defined types (Mantel test between clans: matrix correlation = 0.180; p ≤ 0.001). The more common of the two clans makes a characteristic 1 + 1 + 3 coda, while the other less often sighted clan makes predominantly regular codas. Units were only observed associating with other units within their vocal clan. This study demonstrates that sympatric vocal clans do exist in the Atlantic, that they define a higher order level of social organization as they do in the Pacific, and suggests that cultural identity at the clan level is probably important in this species worldwide.
Figure S4.1. Dynamic weekly suitability map for sperm whales around São Miguel island, Azores.
<p>Dynamic weekly suitability map for sperm whales around São Miguel island, Azores.</p>
FIG. 8 in A new platyrostrine sperm whale from the Early Miocene of the southeastern Pacific (East Pisco Basin, Peru) supports affinities with the southwestern Atlantic cetacean fauna
FIG. 8. — Time-calibrated strict consensus tree of 1584 most parsimonious trees with a length of 184 steps, a consistency index of 0.46, and a homoplasy index of 0.54, resulting from the analysis with equal-weighting, describing the sister-group relationship between Diaphorocetus poucheti (Moreno, 1892) and Diaphorocetus ortegai n. sp. among stem Physeteroidea. Relationships within Kogiidae are collapsed. Bootstrap values higher than 50 are indicated at nodes. Inset: part of the Adams consensus tree illustrating partly resolved relationships between Cozzuoliphyseter rionegrensis (Gondar, 1975), Diaphorocetus spp., and Placoziphius duboisi Van Beneden, 1869. See the Material and methods section for information on chronostratigraphic ranges.
Data from: Detection of the elusive dwarf sperm whale (Kogia sima) using environmental DNA at Malpelo island (Eastern Pacific, Colombia)
<ol> <li>Monitoring large marine mammals is challenging due to their low abundances in general, an ability to move over large distances and wide geographical range sizes. </li> <li>The distribution of the pygmy (<i>Kogia breviceps</i>) and dwarf (<i>Kogia sima</i>) sperm whales is informed by relatively rare sightings, which does not permit accurate estimates of their distribution ranges. Hence, their conservation status has long remained Data Deficient (DD) in the Red list of the International Union for Conservation of Nature (IUCN), which prevent appropriate conservation measures.</li> <li>Environmental DNA (eDNA) metabarcoding uses DNA traces left by organisms in their environments to detect the presence of targeted taxon, and is here proved to be useful to increase our knowledge on the distribution of rare but emblematic megafauna.</li> <li>Retrieving eDNA from filtered surface water provides the first detection of the Dwarf sperm whale (<i>Kogia sima</i>) around the remote Malpelo island (Colombia).</li> <li>Environmental DNA collected during oceanic missions can generate better knowledge on rare but emblematic animals even in regions that are generally well sampled for other taxa.</li> </ol>
Figure 4 in Cephalopods in the potential prey field of sperm whales (Physeter macrocephalus) (Cetacea: Physeteridae) in the northern Gulf of Mexico
Figure 4. Number of stations where potential cephalopod prey of sperm whales was collected.
Figure 7. Sperm whale sightings 2010 in Cephalopods in the potential prey field of sperm whales (Physeter macrocephalus) (Cetacea: Physeteridae) in the northern Gulf of Mexico
Figure 7. Sperm whale sightings 2010; grey lines represent the transect lines.
Figure 1. Summer 2009 in Cephalopods in the potential prey field of sperm whales (Physeter macrocephalus) (Cetacea: Physeteridae) in the northern Gulf of Mexico
Figure 1. Summer 2009 Pilot Study survey effort and sperm whale sightings.
Figure 3 in Cephalopods in the potential prey field of sperm whales (Physeter macrocephalus) (Cetacea: Physeteridae) in the northern Gulf of Mexico
Figure 3. Cephalopod species richness by station, 2010.
Figure 2 in Cephalopods in the potential prey field of sperm whales (Physeter macrocephalus) (Cetacea: Physeteridae) in the northern Gulf of Mexico
Figure 2. Sperm whale acoustic prey survey stations map, January–March 2010.
Figure 11 in Killer sperm whale: a new basal physeteroid (Mammalia, Cetacea) from the Late Miocene of Italy
Figure 11. Anterior process of the periotic of (A) Zygophyseter varolai gen. et sp. nov. (holotype, MAUL 229/ 1), (B) Physeter macrocephalus (MNHNP 1831), (C) Kogia breviceps (MBMS 4000), (D) Physeteroidea indet. from Pietra leccese (MAUL 982/1), (E) Lagenorhynchus albirostris (MSNTUP M291) and (F) Mesoplodon bowdoini (MSNTUP M269). The black line delineates the accessory ossicle.
Figure 12 in Killer sperm whale: a new basal physeteroid (Mammalia, Cetacea) from the Late Miocene of Italy
Figure 12. Zygomatic process of squamosal of (A) Zygophyseter varolai gen. et sp. nov. (holotype, MAUL 229/1), (B) Physeter macrocephalus (MSNTUP M266), (C) Kogia breviceps (MNHNP 1877-277), (D) Tursiops truncatus (MSNTUP M281), (E) Indopacetus pacificus (MZUF 1956 M4854), (F) Pontoporia blainvillei (MSNTUP M273) and (G) Zygorhiza kochii (cast of USNM 11962; mirror image of right side). The white line marks the dorsal margin of the zygomatic process.
Data from: Socially segregated, sympatric sperm whale clans in the Atlantic Ocean
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Data from: Demography or selection on linked cultural traits or genes? Investigating the driver of low mtDNA diversity in the sperm whale using complementary mitochondrial and nuclear genome analyses
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Data from: Detection of the elusive dwarf sperm whale (Kogia sima) using environmental DNA at Malpelo island (Eastern Pacific, Colombia)
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Data from: Architecture of the sperm whale forehead facilitates ramming combat
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Telemetry data from male sperm whales (Physeter macrocephalus) instrumented in Arctic Norway and Svalbard
<p>This dataset includes tracking data from 26 adult male sperm whales instrumented in the Norwegian Arctic. The whales were instrumented between 2020 and 2023 with Wildlife computer satellite tags transmitting positions through the ARGOS system. It also includes dive data for four individuals. </p>
Image database of giant petrels preying on sperm whales
<p>All image data of giant petrels preying on sperm whales as supplement to submitted paper by Towers and Gasco.</p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.