First record of Antarctic minke whale, Balaenoptera bonaerensis, in the northern Gulf of Mexico

Rosel, Patricia E.; Wilcox, Lynsey A.; Monteiro, Carolina; Tumlin, Mandy C.

doi:10.1186/s41200-016-0058-x

Cited by 7 publications

(4 citation statements)

References 17 publications

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“…Since it was found on a beach in New Zealand, there is a reasonable chance that it is an Antarctic minke whale or southern minke whale (Balaenoptera bonaerensis) rather than northern minke whale (Balaenoptera acutorostrata), which does not range in southern seas. But since whales do sometimes venture out of their distribution range (Rosel et al 2016), the only way to be certain of its identity would be to conduct a DNA analysis. It should also be noted that according to our initial osteological comparisons, the skull did not show marked affinities with that of a northern minke whale specimen displayed at the MNHN.…”

Section: Discussionmentioning

confidence: 99%

Whale Bone Puzzles: Reconstructing and Identifying Historical Whale Skeletons Using Archive Records, Osteology, and Zooarchaeology by Mass Spectrometry (ZooMS)

Wagner¹,

Richter²,

Ludes³

et al. 2020

JCMS

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Museum collections not only provide educational tools for the public, but also reference material for osteological research and baseline information for understanding historical population dynamics and food webs. Such applications are only possible, however, with accurate identifications of museum osteological specimens, which is sometimes challenging, as specimens can be separated from their original information. In order to clarify missing information about provenience and species identifications, we analysed 13 historical whale bone specimens from the Museum of Zoology, Strasbourg, using a multidisciplinary approach that combined historical document analysis, osteology, and Zooarchaeology by Mass Spectrometry (ZooMS). These analyses enabled identification of elements from seven different whale species: five baleen whales (Mysticeti) and two toothed whales (Odontoceti). Two skeletons could be connected with letters from the early 1900s indicating they derived from whales stranded on the shores of South Island, New Zealand. One of these skeletons was digitized using a 3D scanner and can be freely viewed online. All of the samples will be available through a digital archive. The identification and digitization of these museum whale specimens, which include threatened and endangered whale species whose past histories are not yet fully understood, is of great value and ensures they are fully available for future systematic research. The study demonstrates a new and useful application of ZooMS, particularly in concert with other methods, to support museum collections research.

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Section: Discussionmentioning

confidence: 99%

Whale Bone Puzzles: Reconstructing and Identifying Historical Whale Skeletons Using Archive Records, Osteology, and Zooarchaeology by Mass Spectrometry (ZooMS)

Wagner¹,

Richter²,

Ludes³

et al. 2020

JCMS

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“…To better show the predictive results, we converted the coordinate range from -180°W-180°E to 0°-360°E to present the predictive maps of the NPP. Occurrence records of the common minke whale were obtained from the two public databases: Global Biodiversity Information Facility, Ocean Biogeographic Information System (Table 1), and published articles (Rosel et al, 2016;Kavanagh et al, 2018;Milmann et al, 2018;Wang, et al, 2020). The occurrence records spanned from 1990 to 2014.…”

Section: Study Area and Species Distribution Datamentioning

confidence: 99%

Estimating the impacts of climate change on the habitat suitability of common minke whales integrating local adaptation

Sun

Zhao

Shao³

et al. 2022

Front. Mar. Sci.

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Climate change is exerting unprecedented effects on the habitats of marine mammals. Common minke whales (Balaenoptera acutorostrata) have suffered immense harm from commercial whaling, and the recovery of this species is likely threatened by climate change. To better manage and conserve this species, it is important to predict its current habitat distribution and the potential change under future climate change scenarios. Such predictions are typically generated by species distribution models (SDMs), which construct a correlation between species occurrence data and its habitat environmental variables. SDMs are commonly constructed at the species level, assuming a homogenous response of the species to climatic variables across their entire geographic range. Spatially segregated populations from the same species inhabit distinct environments and gradually adapt to the local conditions, resulting in niche differentiation among populations. Species-level SDMs that ignore the effects of local adaptation mask differences in population responses to climate change and might present an unrealistic picture of potential species distributions. Based on morphological and genetic evidence, the common minke whale was divided into three populations: the North Atlantic population (NAP), Southern Hemisphere population (SHP) and North Pacific population (NPP); these populations inhabit isolated geographic areas with distinct environmental conditions. We quantified the realized niches of these populations and found evidence of significant ecological niche differentiation. We then constructed SDMs at the species and population levels and compared the predictions from these two types of models under different climate change scenarios. Both types of models projected similar change trends in species range, with a contraction of future suitable habitats for the NAP and SHP and an expansion for the NPP. However, the magnitudes of this change differed; the population-level model projected more optimistic results for the SHP and NAP, indicating less habitat loss. This study highlighted the importance of considering local adaptation when estimating the impact of climate change on species habitat suitability. These spatiotemporal predictions provide essential knowledge for designing climate-adaptive conservation and management strategies, such as the delimitation of mobile marine protected areas (MPAs).

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Section: Hybrids Between Antarctic Minke Whale and Common Minke Whalementioning

confidence: 99%

“…Common minke whales and Antarctic minke whales are now separated by both geography and seasonality. However, while their winter habitats and breeding grounds remain unknown, it is assumed that B. a. acutorostrata migrates south between November and March to give birth in warmer waters and occasional individuals are seen as far south as the Gulf of Mexico [60]. Interbreeding between the populations of the Northern and Southern Hemisphere appears unlikely at the time our samples were collected (the 1980s) because our study confirms previous findings [28] that common minke whales and Antarctic minke whales exhibit extensive genetic differences in their mtDNA and microsatellites.…”

Section: Analysis Of the Hypervariable Region (Hvr) On The Mitochondrial D-loop Suggests Thatmentioning

confidence: 99%

Evolution of the recombination regulator PRDM9 in minke whales

Odenthal-Hesse

Damm

Ullrich

et al. 2020

Preprint

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The PRDM9 protein controls the reshuffling of parental genomes in most metazoans. During meiosis the PRDM9 protein recognizes and binds specific target motifs via its zinc-finger array, which is encoded by a hypervariable minisatellite. To date, PRDM9 diversity has been little studied outside humans, wild mice and some domesticated species where evolutionary constraints may have been relaxed. Here we explore the structure and variability of PRDM9 in samples of the minke whales from the Atlantic, Pacific and Southern Oceans. We show that minke whales possess all the features characteristic of organisms with PRDM9-directed recombination initiation, including complete KRAB, SSXRD and SET domains and a rapidly evolving array of C2H2-type-Zincfingers (ZnF). We uncovered eighteen novel PRDM9 variants and evidence of rapid evolution, particularly of DNA-recognizing positions that evolve under positive selection. At different geographical scales, we observed extensive PRDM9 diversity in Antarctic minke whales (Balaenoptera bonarensis), that conversely lack observable population differentiation in mitochondrial DNA and microsatellites. In contrast, a single PRDM9 variant is shared between all Common Minke whales and even across subspecies boundaries of North Atlantic (B. a. acutorostrata) and North Pacific (B. a. scammoni) minke whale, which do show clear population differentiation. PRDM9 variation of whales predicts distinct recombination initiation landscapes genome wide, which has possible consequences for speciation.

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First record of Antarctic minke whale, Balaenoptera bonaerensis, in the northern Gulf of Mexico

Cited by 7 publications

References 17 publications

Whale Bone Puzzles: Reconstructing and Identifying Historical Whale Skeletons Using Archive Records, Osteology, and Zooarchaeology by Mass Spectrometry (ZooMS)

Whale Bone Puzzles: Reconstructing and Identifying Historical Whale Skeletons Using Archive Records, Osteology, and Zooarchaeology by Mass Spectrometry (ZooMS)

Estimating the impacts of climate change on the habitat suitability of common minke whales integrating local adaptation

Evolution of the recombination regulator PRDM9 in minke whales

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