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16 results for “Megaptera novaeangliae”
Fig. 4. A in Whale Strandings In Indonesia, Including The First Record Of A Humpback Whale (Megaptera Novaeangliae) In The Archipelago
Fig. 4. A humpback whale (Megaptera novaeangliae) stranding in Bali, Indonesia: a, knobs and black upper flipper of the humpback whale (Photo by Pariama Hutasoit, Reef Check Indonesia); b, black and white colouration of the ventral (Photo courtesy of I Wayan Sujana, Tanah Lot Authority Bali); c, the white underside of humpback whale's fluke (Photo courtesy of I. Wayan Sujana, Tanah Lot Authority Bali); d, Cremation process of the dead humpback whale in Tabanan, Bali (Photo by Putu Liza Mustika, James Cook University, Australia).
Fig. 2 in Whale Strandings In Indonesia, Including The First Record Of A Humpback Whale (Megaptera Novaeangliae) In The Archipelago
Fig. 2. Historical records of humpback whales in Indonesian Archipelago and adjacent waters ca. 1953–1958. Estimated coordinates compiled from Slijper et al. (1964)
Figure 4 in Stranded humpback whale (Megaptera novaeangliae) (Cetacea: Balaenopteridae) in Paraná River Delta, Buenos Aires Province, Argentina. Comments on the occurrence of marine
Figure 4. Median-joining network based on the cytochrome c oxidase subunit I mtDNA haplotypes of Megaptera novaeangliae. Haplotypes are represented with discs and colors that indicate geographical locations. Mutational steps are indicated with stripes.
Figure 1 in Stranded humpback whale (Megaptera novaeangliae) (Cetacea: Balaenopteridae) in Paraná River Delta, Buenos Aires Province, Argentina. Comments on the occurrence of marine
Figure 1. Paraná River delta map were Megaptera novaeangliae (CFA-MA-13084) was found dead (exact location is indicated with a black dot).
Fig. 3 in Whale Strandings In Indonesia, Including The First Record Of A Humpback Whale (Megaptera Novaeangliae) In The Archipelago
Fig. 3. Locations of humpback whale strandings in Bali
Fig. 1 in Whale Strandings In Indonesia, Including The First Record Of A Humpback Whale (Megaptera Novaeangliae) In The Archipelago
Fig. 1. Map of cetacean stranding events in Indonesia 1997–2007.
Novel Megaptera novaeangliae (Humpback whale) haplotype reference genome
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Differences in the functional use of two migratory stopovers by humpback whales (Megaptera novaeangliae)
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Data from: Subarctic singers: Humpback whale (Megaptera novaeangliae) song structure and progression from an Icelandic feeding ground during winter
Humpback whale songs associated with breeding behaviors are increasingly reported outside of traditional low latitude breeding grounds. Songs from a subarctic feeding ground during the winter were quantitatively characterized to investigate the structure and temporal changes of the songs at such an atypical location. Recordings were collected from 26. January to 12. March, 2011, using bottom mounted recorders. Humpback songs were detected on 91% of the recording days with peak singing activities during 9.–26. February. The majority of the recordings included multiple chorusing singers. The songs were characterized by a) common static themes which transitioned consistently to predictable themes, b) shifting themes which occurred less predictably and c) rare themes. A set median sequence was found for four different periods (sets) of recordings (approximately 1 week each). The set medians were highly similar and formed a single cluster indicating that the sequences of themes sung in this area belonged to a single cluster of songs despite of the variation caused by the shifting themes. These subarctic winter songs could, thus, represent a characteristic song type for this area which is comparable to extensively studied songs from traditional low latitude breeding grounds. An increase in the number of themes per sequence was observed throughout the recording period including minor changes in the application of themes in the songs; indicating a gradual song progression. The results confirm that continual singing of sophisticated songs occur during the breeding season in the subarctic. In addition to being a well-established summer feeding ground the study area appears to be an important overwintering site for humpback whales delaying or canceling their migration where males engage in active sexual displays, i.e. singing. Importantly, such singing activity on a shared feeding ground likely aids the cultural transmission of songs in the North Atlantic.
On following pages: 6. Omura's Whale (Balaenoptera omurai); 7. Fin Whale (Balaenoptera physalus); 8. Humpback Whale (Megaptera novaeangliae). in Balaenopteridae
On following pages: 6. Omura's Whale (Balaenoptera omurai); 7. Fin Whale (Balaenoptera physalus); 8. Humpback Whale (Megaptera novaeangliae).
Figure 2 in Stranded humpback whale (Megaptera novaeangliae) (Cetacea: Balaenopteridae) in Paraná River Delta, Buenos Aires Province, Argentina. Comments on the occurrence of marine
Figure 2. (A) CFA-MA-13084 specimen before start preparation. (B) Sampling extraction work.
Figure 3 in Stranded humpback whale (Megaptera novaeangliae) (Cetacea: Balaenopteridae) in Paraná River Delta, Buenos Aires Province, Argentina. Comments on the occurrence of marine
Figure 3. Megaptera novaeangliae (CFA-MA-13084) mounted skeleton.
Data from: Influence of environmental parameters on movements and habitat utilization of humpback whales (Megaptera novaeangliae) in the Madagascar breeding ground
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Data from: Subarctic singers: Humpback whale (Megaptera novaeangliae) song structure and progression from an Icelandic feeding ground during winter
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Data from: Multiple processes drive genetic structure of humpback whale (Megaptera novaeangliae) populations across spatial scales
Elucidating patterns of population structure for species with complex life histories, and disentangling the processes driving such patterns, remains a significant analytical challenge. Humpback whale (Megaptera novaeangliae) populations display complex genetic structures that have not been fully resolved at all spatial scales. We generated a data set of nuclear markers for 3,575 samples spanning the seven breeding stocks and substocks found in the South Atlantic and western and northern Indian Oceans. For the total sample, and males and females separately, we assessed genetic diversity, tested for genetic differentiation between putative populations and isolation by distance, estimated the number of genetic clusters without a priori population information, and estimated rates of gene flow using maximum likelihood and Bayesian approaches. At the ocean basin scale, structure is governed by geographic distance (IBD p<0.05) and female fidelity to breeding areas, in line with current understanding of the drivers of broad-scale population structure. Consistent with previous studies, the Arabian Sea breeding stock was highly genetically differentiated (FST 0.034-0.161; p<0.01 for all comparisons). However, the breeding stock boundary between west South Africa and east Africa was more porous than expected based on genetic differentiation, cluster, and gene flow analyses. Instances of male-fidelity to breeding areas and relatively high rates of dispersal for females were also observed between the three substocks in the western Indian Ocean. This mismatch between demographic units and current management boundaries may have ramifications for assessments of the status and continued protections of populations still in recovery from commercial whaling.
Data from: Multiple processes drive genetic structure of humpback whale (Megaptera novaeangliae) populations across spatial scales
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International Brain Laboratory public data
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OpenNeuro
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