Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1038/d41586-018-01672-4 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Variation in faecal testosterone levels in male gray whales on a foraging ground relative to maturity and timing.
Conserv Physiol
January 2025
Geospatial Ecology of Marine Megafauna Lab, Marine Mammal Institute, Department of Fisheries, Wildlife and Conservation Sciences, Oregon State University, 2030 SE Marine Science Dr, Newport, OR 97365, USA.
Understanding wildlife reproductive seasonality is crucial for effective management and long-term monitoring of species. This study investigates the seasonal variability of testosterone in male Pacific Coast Feeding Group (PCFG) gray whales, using an eight-year dataset (2016-2023) of individual sightings, drone-based photogrammetry and endocrine analysis of faecal samples. We analyzed the relationship between faecal testosterone levels and total body length (TL), body condition (body area index, BAI), sexual maturity and day of the year using generalized additive mixed models.
View Article and Find Full Text PDFSepticemic omphalophlebitis by Streptococcus equi subsp. zooepidemicus in a southern right whale calf (Eubalaena australis).
Vet Res Commun
January 2025
Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
Southern right whales (Eubalaena australis) are mysticete cetaceans commonly observed in the coastal waters of Brazil, particularly in Santa Catarina State. There is limited understanding of the causes of calf mortality in this species, particularly concerning infectious diseases. We report a case of omphalophlebitis caused by Streptococcus equi subsp.
View Article and Find Full Text PDFAssessing changing baleen whale distributions and reported incidents relative to vessel activity in the Northwest Atlantic.
PLoS One
January 2025
Department of Biology, Dalhousie University, Halifax, NS, Canada.
Baleen whales are among the largest marine megafauna, and while mostly well-protected from direct exploitation, they are increasingly affected by vessel traffic, interactions with fisheries, and climate change. Adverse interactions, notably vessel strikes and fishing gear entanglement, often result in distress, injury, or death for these animals. In Atlantic Canadian waters, such negative interactions or 'incidents' are consistently reported to marine animal response organizations but have not yet been analyzed relative to the spatial distribution of whales and vessels.
View Article and Find Full Text PDFMultipopulation Whale Optimization-Based Feature Selection Algorithm and Its Application in Human Fall Detection Using Inertial Measurement Unit Sensors.
Sensors (Basel)
December 2024
School of Mechanical Electrical and Information Engineering, Shandong University, Weihai 264209, China.
Feature selection (FS) is a key process in many pattern-recognition tasks, which reduces dimensionality by eliminating redundant or irrelevant features. However, for complex high-dimensional issues, traditional FS methods cannot find the ideal feature combination. To overcome this disadvantage, this paper presents a multispiral whale optimization algorithm (MSWOA) for feature selection.
View Article and Find Full Text PDFBehavioural context of call production in humpback whale calves: identification of potential begging calls in a mysticetes species.
Proc Biol Sci
December 2024
Institut des Neurosciences Paris-Saclay, Université Paris-Saclay, CNRS, Saclay, France.
Baleen whale calves vocalize, but the behavioural context and role of their social calls in mother-calf interactions are yet to be documented further. We investigated the context of call production in humpback whale () calves using camera-equipped animal-borne multi-sensor tags. Behavioural states, including suckling sessions, were identified using accelerometer, depth and video data.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!