Sascha K. Hooker
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View article: Killer Whale Predation on a Giant Manta Ray (<i>Mobula birostris</i>), a Sicklefin Devil Ray (<i>Mobula tarapacana</i>) and a Tiger Shark (<i>Galeocerdo cuvier</i>) in the Southwest Indian Ocean
Killer Whale Predation on a Giant Manta Ray (<i>Mobula birostris</i>), a Sicklefin Devil Ray (<i>Mobula tarapacana</i>) and a Tiger Shark (<i>Galeocerdo cuvier</i>) in the Southwest Indian Ocean Open
Knowledge of killer whale ( Orcinus orca ) feeding ecology in tropical waters is scarce. In the southwest Indian Ocean, opportunistic sightings provide a valuable source of information to better understand their behaviour, diet and distrib…
View article: Population size and residency patterns of northern bottlenose whales (Hyperoodon ampullatus) using the Gully, Nova Scotia
Population size and residency patterns of northern bottlenose whales (Hyperoodon ampullatus) using the Gully, Nova Scotia Open
A population of northern bottlenose whales (Hyperoodon ampullatus) uses the Gully, a submarine canyon off the coast of Nova Scotia, Canada. Eleven years of photo-identification records has permitted estimation of population size using mark…
View article: Beaked whales and state-dependent decision-making: how does body condition affect the trade-off between foraging and predator avoidance?
Beaked whales and state-dependent decision-making: how does body condition affect the trade-off between foraging and predator avoidance? Open
Body condition is central to how animals balance foraging with predator avoidance—a trade-off that fundamentally affects animal fitness. Animals in poor condition may accept greater predation risk to satisfy current foraging ‘needs’, while…
View article: Acoustic behaviour of northern bottlenose whales (Hyperoodon ampullatus) in Icelandic inshore waters
Acoustic behaviour of northern bottlenose whales (Hyperoodon ampullatus) in Icelandic inshore waters Open
Northern bottlenose whales (Hyperoodon ampullatus) are among the deepest diving cetaceans, regularly foraging at depths >800 m. They are primarily found in offshore habitats, but occasionally they are also sighted within coastal waters. Th…
View article: Echolocating toothed whales use ultra-fast echo-kinetic responses to track evasive prey
Echolocating toothed whales use ultra-fast echo-kinetic responses to track evasive prey Open
Visual predators rely on fast-acting optokinetic responses to track and capture agile prey. Most toothed whales, however, rely on echolocation for hunting and have converged on biosonar clicking rates reaching 500/s during prey pursuits. I…
View article: Author response: Echolocating toothed whales use ultra-fast echo-kinetic responses to track evasive prey
Author response: Echolocating toothed whales use ultra-fast echo-kinetic responses to track evasive prey Open
Article Figures and data Abstract eLife digest Introduction Results Discussion Materials and methods Data availability References Decision letter Author response Article and author information Metrics Abstract Visual predators rely on fast…
View article: Echolocating whales use ultra-fast echo-kinetic responses to track evasive prey
Echolocating whales use ultra-fast echo-kinetic responses to track evasive prey Open
Visual predators rely on fast-acting optokinetic reflexes to track and capture agile prey. Most toothed whales, however, rely on echolocation for hunting and have converged on biosonar clicking rates reaching 500/s during prey pursuits. If…
View article: Fur seals do, but sea lions don't — cross taxa insights into exhalation during ascent from dives
Fur seals do, but sea lions don't — cross taxa insights into exhalation during ascent from dives Open
Management of gases during diving is not well understood across marine mammal species. Prior to diving, phocid (true) seals generally exhale, a behaviour thought to assist with the prevention of decompression sickness. Otariid seals (fur s…
View article: Drivers and constraints on offshore foraging in harbour seals
Drivers and constraints on offshore foraging in harbour seals Open
View article: Marine mammal conservation: over the horizon
Marine mammal conservation: over the horizon Open
Marine mammals can play important ecological roles in aquatic ecosystems, and their presence can be key to community structure and function. Consequently, marine mammals are often considered indicators of ecosystem health and flagship spec…
View article: Characterization of legacy persistent organic pollutants (POPs) in northern bottlenose whales of the Western North-Atlantic
Characterization of legacy persistent organic pollutants (POPs) in northern bottlenose whales of the Western North-Atlantic Open
Dataset associated with the Canadian Technical Report of Fisheries and Aquatic Sciences entitled "Characterization of legacy persistent organic pollutants (POPs) in northern bottlenose whales of the Western North-Atlantic". Presents lipid …
View article: Characterization of legacy persistent organic pollutants (POPs) in northern bottlenose whales of the Western North-Atlantic
Characterization of legacy persistent organic pollutants (POPs) in northern bottlenose whales of the Western North-Atlantic Open
Dataset associated with the Canadian Technical Report of Fisheries and Aquatic Sciences entitled "Characterization of legacy persistent organic pollutants (POPs) in northern bottlenose whales of the Western North-Atlantic". Presents lipid …
View article: Best practice recommendations for the use of external telemetry devices on pinnipeds
Best practice recommendations for the use of external telemetry devices on pinnipeds Open
Pinnipeds spend large portions of their lives at sea, submerged, or hauled-out on land, often on remote off-shore islands. This fundamentally limits access by researchers to critical parts of pinniped life history and has spurred the devel…
View article: Future Directions in Research on Beaked Whales
Future Directions in Research on Beaked Whales Open
Until the 1990s, beaked whales were one of the least understood groups of large mammals. Information on northern bottlenose whales (Hyperoodon ampullatus) and Baird's beaked whales (Berardius bairdii) was available from data collected duri…
View article: MOESM1 of Best practice recommendations for the use of external telemetry devices on pinnipeds
MOESM1 of Best practice recommendations for the use of external telemetry devices on pinnipeds Open
Additional file 1. Initial list of 100 recommendations compiled by the authors before the elimination of redundant entries. Similar recommendations are grouped into related classes.
View article: Best practice guidelines for cetacean tagging
Best practice guidelines for cetacean tagging Open
Animal-borne electronic instruments (tags) are valuable tools for collecting information on cetacean physiology, behaviour and ecology, and forenhancing conservation and management policies for cetacean populations. Tags allow researchers …
View article: Sea changes: whales, krill and human exploitation
Sea changes: whales, krill and human exploitation Open
View article: Equity and career‐life balance in marine mammal science?
Equity and career‐life balance in marine mammal science? Open
It is widely acknowledged that family and care‐giving responsibilities are driving women away from Science, Technology, Engineering, and Mathematics ( STEM ) fields. Marine mammal science often incurs heavy fieldwork and travel obligations…
View article: From physiology to policy: A review of physiological noise effects on marine fauna with implications for mitigation
From physiology to policy: A review of physiological noise effects on marine fauna with implications for mitigation Open
Proceedings of Fourth International Conference on the Effects of Noise on Aquatic Life Presentation at the Conference of sonar effects on marine mammals held at the University of St Andrews.
View article: Images as proximity sensors: the incidence of conspecific foraging in Antarctic fur seals
Images as proximity sensors: the incidence of conspecific foraging in Antarctic fur seals Open
View article: First indications that northern bottlenose whales are sensitive to behavioural disturbance from anthropogenic noise
First indications that northern bottlenose whales are sensitive to behavioural disturbance from anthropogenic noise Open
Although northern bottlenose whales were the most heavily hunted beaked whale, we have little information about this species in its remote habitat of the North Atlantic Ocean. Underwater anthropogenic noise and disruption of their natural …