Nursing behavior in sperm whales (Physeter macrocephalus) [PDF]
Animal Behavior and Cognition, 2023 In mammals, lactation is the universal behavior of feeding offspring and has a fundamental nutritional and social value with offspring staying near their mothers.
François Sarano +12 more
doaj +3 more sources
Dolphin Morbillivirus Associated with a Mass Stranding of Sperm Whales, Italy [PDF]
Emerging Infectious Diseases, 2017 In September 2014, seven sperm whales were stranded along Italy’s Adriatic coastline. Postmortem investigations on 3 female adult whales and 1 male fetus carried by the largest female revealed molecular and immunohistochemical evidence of dolphin ...
Sandro Mazzariol +11 more
doaj +4 more sources
Metagenomic Insights Into the Role of Gut Microbes in the Defensive Ink “Tsunabi” of Physeteroid Whales [PDF]
Ecology and EvolutionWhales of the superfamily Physeteroidea, which includes the genera Physeter and Kogia, exhibit a unique visual defense mechanism involving the release of dark reddish‐brown feces (locally called “tsunabi‐ink” in Japan) into the water to obscure ...
Hayate Takeuchi +2 more
doaj +2 more sources
Age and interpulse interval relation from newborn to adult sperm whale (Physeter macrocephalus) off Mauritius [PDF]
Scientific ReportsSperm whales (Physeter macrocephalus) have been studied for decades, but the development of their clicks during the animal growth is not yet well known.
Maxence Ferrari +7 more
doaj +2 more sources
Cultural turnover among Galápagos sperm whales [PDF]
Royal Society Open Science, 2016 While populations may wax and wane, it is rare for an entire population to be replaced by a completely different set of individuals. We document the large-scale relocation of cultural groups of sperm whale off the Galápagos Islands, in which two ...
Mauricio Cantor +3 more
doaj +4 more sources
Female, juvenile, and calf sperm whale Physeter macrocephalus (Linnaeus 1758) records from Ireland [PDF]
Ecology and EvolutionSperm whales spatially segregate by sex and social behavior as they mature. In the North Atlantic, male whales move to higher latitudes as far as Svalbard at 80° N, while females and young whales typically remain around lower latitudes below 40–45° N ...
Seán A. O'Callaghan +4 more
doaj +2 more sources
Case Report: Ambergris coprolite and septicemia in a male sperm whale stranded in La Palma (Canary Islands) [PDF]
Frontiers in Veterinary ScienceOn the 21st of May 2023, a dead adult male sperm whale (Physeter macrocephalus) of 13 m in length and estimated weight of around 18,000 kg was reportedly stranded at Playa Los Nogales, La Palma, Canary Islands, Spain. A necropsy was performed 48hpm. A 50
Antonio Fernández +27 more
doaj +2 more sources
Migration to breeding areas by male sperm whales Physeter macrocephalus from the Northeast Atlantic Arctic [PDF]
Scientific ReportsMature male sperm whales (Physeter macrocephalus) primarily inhabit high latitude regions, travelling to tropical/temperate waters for breeding, where females and juveniles reside in cohesive social groups.
Christian Lydersen +10 more
doaj +2 more sources
Automatic detection and annotation of eastern Caribbean sperm whale codas [PDF]
Scientific ReportsA key technology for sperm whale (Physeter macrocephalus) monitoring is the identification of sperm whale communication signals, known as codas. In this paper we present the first automatic coda detector and annotator. The main innovation in our detector
Guy Gubnitsky +4 more
doaj +2 more sources
A wave glider for passive acoustic monitoring of cetaceans and anthropogenic sources in the central Mediterranean Sea [PDF]
Scientific ReportsPassive acoustic monitoring has become a widely used method to study cetaceans, especially for populations facing escalating threats from noisy human activities, including shipping traffic, fishing industry and marine constructions.
Sara Ferri +7 more
doaj +2 more sources