OOIR: Observatory of International Research

Papers

(The TQCC of Marine Mammal Science is 4. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-01-01 to 2026-01-01.)

Article	Citations
Foraging segregation by sex and age class in the Guadalupe fur seal from Guadalupe Island, Mexico	56
An observation of potential altruism by a male northern elephant seal (Mirounga angustirostris)	31
Assessing the dynamics of common dolphin (Delphinus delphis) mother‐calf pairs along the south coast of Portugal using unmanned aerial vehicles	25
Gigantic Macroraptorial Sperm Whale Tooth From the Miocene of Orange County, California	23
This issue of Marine Mammal Science is dedicated to the memory of Dr. Michael F. Tillman	22
Exposure and behavioral responses of tagged beluga whales (Delphinapterus leucas) to ships in the Pacific Arctic	22
Habitat Preference of Risso's Dolphins (Grampus griseus) off the South Coast of Portugal	20
Genetic and morphological data suggest a southeast Australian type locality for Tursiops cymodoce (Gray, 1846)	20
Mitochondrial genetic variation in false killer whale groups (Pseudorca crassidens) from the Mexican Pacific reveal strong regional differentiation	20
William F. Perrin 1938–2022	15
Interaction between South American sea lions (Otaria byronia) and trawling fisheries recorded through video cameras	14
Analysis of environmental, social, and anthropogenic factors as potential drivers of breaching behavior in the Mediterranean fin whale	14
Geographic distribution of the Cross Seamount beaked whale based on acoustic detections	14
Using audio and UAS‐based video for estimating tidal lung volumes of resting and active adult gray whales (Eschrichtius robustus)	13
Protection, energetic assistance, or social perks: How do beluga offspring benefit from allocare?	13
The fitness consequences of human‐wildlife interactions on foraging common bottlenose dolphins (Tursiops truncatus) in Sarasota Bay, Florida	13
Deep diving by offshore bottlenose dolphins (Tursiops spp.)	13
Salivary Cortisol as a Measure of Acute Stress and Diurnal Adrenal Activity in Bottlenose Dolphins	13
Observations on Deraniyagala's beaked whale (Mesoplodon hotaula) in the South China Sea based on the first confirmed live sightings	13
Issue Information	12
Ethology and Behavioral Ecology of Mysticetes Christopher W.Clark and Ellen C.Garland, Eds. Springer Nature. 2022. 384 pp. ISBN: 978–3–030‐98448‐9, US$169.99 (Hardcover); IS	12
Australian snubfin vocal activity is influenced by behavioral state and group characteristics	12
Presence of Southeast Pacific blue whales (Balaenoptera musculus) off South Georgia in the South Atlantic Ocean	11
Contribution of disease to Australian sea lion (Neophoca cinerea) pup mortality at Seal Bay, Kangaroo Island, 2016–2022	11
Dive characteristics of Cross Seamount beaked whales from long‐term passive acoustic monitoring at the Pacific Missile Range Facility, Kauaʻi	11

Enhancing UAV images to improve the observation of submerged whales using a water column correction method	11
Seasonal changes in the feeding aggregation structure of male sperm whales (Physeter macrocephalus) in Northern Norway	11
Michael F. Tillman 1943–2023	11
Underwater vocalizations in foraging female Antarctic fur seals (Arctocephalus gazella) in the Kerguelen Islands	11
Effects of feeding and habitat on resting metabolic rates of the Pacific walrus	11
Diet of striped dolphins (Stenella coeruleoalba) in southern Spanish waters	11
Shepherd's beaked whale (Tasmacetus shepherdi) produces a diverse variety of ultrasonic pulses	10
How Robust is Eschrichtius robustus ? A Novel Photographic Index of Body Condition From Boat‐Based Photographs of Gray Whales	10
The French connection: Multiple records of Strait of Gibraltar killer whales (Orcinus orca) (2003–2023) in the Bay of Biscay, France	10
Genetic Assessment of the Spinner Dolphin ( Stenella longirostris ) in the Largest Offshore Sedime	10
Cryptic marine barriers to gene flow in a vulnerable coastal species, the dugong (Dugong dugon)	9
Killer whale predation on a pygmy sperm whale in an oceanic habitat	9
Mitochondrial DNA Diversity and Distribution of F raser's (	9
The movement patterns and foraging resources of Atlantic walruses (Odobenus rosmarus rosmarus) in Franz Josef Land archipelago and connectivity with theKara‐BarentsSea population	9
Distribution of Arnoux's beaked whales (Berardius arnuxii)	9
Detection of sex chromosomal aneuploidy (XXY) in a southern right whale (Eubalaena australis) using read depth and coverage from whole genome sequence data	8
Nurturant behavior towards a dead calf in a Cuvier's beaked whale	8
Modeling population trajectory and probability of decline in northern Hudson Bay narwhals (Monodon monoceros)	8
A preliminary description of Atlantic white‐sided dolphin (Lagenorhynchus acutus) vocalizations	8
Seasonal Abundance and Distribution of Cetaceans in a High Traffic Shipping Corridor	8
The migratory whale herd concept: A novel unit to conserve under the ecological paradigm	8
Escort service: Sex and relatedness of humpback whales accompanying mother‐calf pairs off Western Australia	8
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Roger Payne 1935–2023	8
Maternal offloading of arsenic and other trace elements in Peruvian fur seals	8
Satellite image survey of beluga whales in the southern Kara Sea	8
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A Practical Guide for Improving Confidence in Data Collected With Consumer‐Level Drones	8
Detection of cetacean morbillivirus in dolphin feces and the potential application for live cetacean health monitoring	8
Population genetic structure of North Pacific right whales	8
Genetic data reveal wintering ground affiliation of humpback whales from the Mexican Central Pacific	8
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Skull Morphology of California and Steller Sea Lions in the Pacific Northwest: Evidence for Potential Hybridization	7
Estimation of abundance and population dynamics of the Antarctic blue whale in the Antarctic Ocean south of 60°S, from 70°E to 170°W	7
Bray calls emitted by common bottlenose dolphins (Tursiops truncatus) in offshore waters of northeastern Brazil	7
Humpback whales in the Southwest Atlantic Ocean: investigating their breeding movements by satellite tracking	7
Declining Body Condition of Territorial Male Australian Fur Seals: Correlations With Environmental Variables	7
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The role of habitat use and sociality on skin lesions in Tamanend's bottlenose dolphins (Tursiops erebennus) in the St. Johns River, Florida	7
Long‐term acoustic monitoring of nonstereotyped blue whale calls in the southern Indian Ocean	7
Individual or Group Signatures? Stereotyped Whistle Contour Types by Free‐Ranging Risso’s Dolphins	7
G. Carleton Ray 1928–2023	6
Surface and diving metabolic rates, and dynamic aerobic dive limits (dADL) in near‐ and off‐shore bottlenose dolphins, Tursiops spp., indicate that deep diving is energetically cheap	6
Swimming across the pond: First documented transatlantic crossing of a southern right whale	6
An Alien in the Arctic: Risso's Dolphins ( Grampus griseus ) in Northern Norwegian Waters	6
Auto machine learning tools to distinguish between two killer whale ecotypes	6
Humpback whale feeding behavior and defecation observed on the Hawaiian breeding grounds	6
Morphology and physiology in some small pelagic cetaceans: Is Dall's porpoise a deep diver and a thoroughbred of the sea?	6
Characterization of pinniped vibrissal type and number	6
The Foraging Success of Southern Elephant Seals ( Mirounga leonina ) Dispersing to the West and Ea	6

Telomere length changes in the Pacific white‐sided dolphin measured for one and a half years	6
Passive Acoustic Monitoring and Mapping of Vessel Visitation at an Australian Fur Seal Breeding Colony	6
Using acoustic monitoring to reveal nearly year‐round presence of humpback whales (Megaptera novaeangliae) in the waters of southern Iceland	6
Skin and Mucosal Lesions of Indo‐Pacific Bottlenose ( Tursiops aduncus ) and Common Dolphins (	5
IN MEMORIAM	5
Underwater Vocalization Behavior of Harbor Seals ( Phoca vitulina )	5
Saxitoxin Linked to Deaths of Northern Fur Seals in the Southeast Bering Sea	5
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Echolocation signals recorded in the presence of Deraniyagala's beaked whales (Mesoplodon hotaula) in the western Pacific (South China Sea) indicate species‐specificity and intraspecific variat	5
Allocation and use of body energy reservoirs in striped dolphins and Blainville's beaked whales: Snowball effect in negative energetic balance	5
A practical guide on stable isotope analysis for cetacean research	5
Passive Acoustic Monitoring Reveals Temporal and Environmental Drivers of the Cetacean Community in the Southern Great Barrier Reef	5
Tadasu K. Yamada (1950–2024)	5
Using Gray Literature and Social Media Records to Help Identify Population Hotspots and Conservation Priorities for the Vulnerable Dugong, Dugong dug	5
Overwintering humpback whales adapt foraging strategies to shallow water environments at the mouth of the Chesapeake Bay, Virginia, USA	5
Issue Information	5
Vocalization of Bryde's whales (Balaenoptera edeni) in the Beibu Gulf, China	5
Estimated reproductive parameters for a vulnerable Australian humpback dolphin population	5
Trophic Ecology of Threatened Sympatric Coastal Dolphins and Other Odontocetes in North‐Western Madagascar	5
Issue Information	5
Catastrophic mortality of southern elephant seals caused by H5N1 avian influenza	5
Ringed Seal ( Pusa hispida ) Abundance in Isfjorden, Svalbard, Afte	5
Aspartic acid enantiomer quantification using ultraperformance liquid chromatography–tandem mass spectroscopy combined with deuterium‐chloride hydrolysis to improve age estimation in Antarctic minke w	5
A retrospective socio‐ecological analysis of seal strandings in the Gulf of Maine	5
Stable Carbon and Nitrogen Isotopes Show Evidence of Resource Partitioning Between Spinner Dolphins ( Stenella longirostris <	4
Underwater Behavior of Southern Hemisphere Humpback Whales ( Megaptera novaeangliae ) Feeding in S	4
Genetic Diversity and Effective Population Size of the Endangered Crozet Killer Whales	4
Foraging behavior and habitat selection of harbor seals (Phoca vitulina vitulina) in the archipelago of Saint‐Pierre‐and‐Miquelon, Northwest Atlantic	4
Measuring steroid hormone levels in the skin of free‐ranging dugongs: A less invasive way to determine reproductive status	4
Body volume and mass estimation of southern elephant seals using 3D range scanning and neural network models	4
Probable signature whistle production in Atlantic white‐sided (Lagenorhynchus acutus) and short‐beaked common (Delphinus delphis) dolphins near Cape Cod, Massachusetts	4
Abundance estimate of Eastern Caribbean sperm whales using large scale regional surveys	4
Respiratory reference values for bottlenose dolphins (Tursiops spp.) and its importance for conservation	4
Observed trends in scavenging by common bottlenose dolphins (Tursiops truncatus truncatus) in for‐hire fisheries in the eastern U.S. Gulf of Mexico	4
Connectivity of Common Bottlenose Dolphin Habitats Between the Kuroshio Current and Its Adjacent Waters, as Evidenced by Extended‐Term Satellite Tracking	4
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Examining Bergmann's rule in a cosmopolitan marine mammal, the bottlenose dolphin (Tursiops spp.)	4
Satellite‐tracked sperm whale migrates from the Canadian Arctic to the subtropical western North Atlantic	4
Drone‐Based Photogrammetry Provides Estimates of the Energetic Cost of Migration for Humpback Whales Between Antarctica and Colombia	4
How to Deter Seals? A Manually Triggered Acoustic Deterrent Study	4
Tracking South American Sea Lion Population Recovery in Patagonia Following Depletion From Hunting	4
Tracing Time's Footprints: Exploring Feeding Ecology and Historical Changes of Mediterranean Common Dolphin ( Delphinus delphis	4
Estimates of Abundance and Predicted Distribution of the Main Cetacean Species in Madeira Archipelago Inshore Waters for 2007–2012	4
Echolocation depths and acoustic foraging behavior of Baird's beaked whales (Berardius bairdii) based on towed hydrophone recordings	4
Extracting foraging behavior from passive acoustic monitoring data to better understand harbor porpoise (Phocoena phocoena) foraging habitat use	4
Rice's Whale: Considerations for Identifying New Cetacean Species	4