Module one

What is a Cetacean?

Lesson 1 · Mammals that chose the ocean

Articles and studies

  1. A diminutive new basilosaurid whale reveals the trajectory of the cetacean life histories during the Eocene (2023) – Communications Biology
  2. Basilosaurus, the “King of Lizards” (2020) – Whale Scientists
  3. Hippos and Whales: Unlikely Cousins (2017) – Royal Ontario Museum
  4. Science Word of the Day: Involucrum (2015) – National Geographic
  5. Pakicetus (2022) – EBSCO Research Starters
  6. From Land to Water: the Origin of Whales, Dolphins, and Porpoises (2009) – Evolution: Education and Outreach
  7. New Protocetid Whale from the Middle Eocene of Pakistan: Birth on Land, Precocial Development, and Sexual Dimorphism (2009) – PLoS ONE
  8. Whales originated from aquatic artiodactyls in the Eocene epoch of India (2007) – Nature
  9. The Origin of Whales and the Power of Independent Evidence (2000) – NCSE
  10. Phylogenetic relationships among cetartiodactyls based on insertions of short and long interspersed elements: Hippopotamuses are the closest extant relatives of whales (1999) – PNAS
  11. The evolution of whales – Understanding Evolution, UC Berkeley

Books

  1. Encyclopedia of Marine Mammals, 3rd edition (2018) – Würsig, Thewissen & Kovacs (eds.)
  2. Spying on Whales (2018) – Nick Pyenson
  3. The Cultural Lives of Whales and Dolphins (2015) – Hal Whitehead & Luke Rendell

Lesson 2 · Built for water

Articles and studies

  1. A Whale of a Tail: Unraveling the evolutionary secrets of how whales and dolphins adapted their backbones for aquatic life (2024) – Harvard University
  2. The Biological Productivity of the Ocean (2012) – Nature Education
  3. Species review of Cuvier’s beaked whale, Ziphius cavirostris (2011) – International Whaling Commission
  4. 5.1 Properties of Water – Introduction to Oceanography
  5. Properties of Water – ResearchGate
  6. Whales – Smithsonian Ocean
  7. The loudest voice in the animal kingdom – BBC Earth
  8. Do whales and dolphins have hair? – Whale and Dolphin Conservation
  9. Mammal – ScienceDirect Topics

Books

  1. Encyclopedia of Marine Mammals, 3rd edition (2018) – Würsig, Thewissen & Kovacs (eds.)
  2. The Cultural Lives of Whales and Dolphins (2015) – Hal Whitehead & Luke Rendell
  3. Cetacean Societies: Field Studies of Dolphins and Whales (2000) – Mann, Connor, Tyack & Whitehead (eds.)

Lesson 3 · Two great lineages

Articles and studies

  1. Cetaceans Have Complex Brains for Complex Cognition (2007) – PLoS Biology
  2. Intro to Odontocetes & Mysticetes (2017) – Ocean Conservation Research
  3. Vaquita – NOAA Fisheries
  4. Intelligence, Cognition and Emotion in Cetaceans – The Whale Sanctuary Project
  5. Are Whales Sentient? The Scientific Evidence (2026) – Biology Insights

Books

  1. Encyclopedia of Marine Mammals, 3rd edition (2018) – Würsig, Thewissen & Kovacs (eds.)
  2. Cetacean Societies: Field Studies of Dolphins and Whales (2000) – Mann, Connor, Tyack & Whitehead (eds.)

Lesson 4 · Underwater living

Articles and studies

  1. Nursing Behavior in Sperm Whales (Physeter macrocephalus) (2023) – Animal Behavior and Cognition
  2. Fight or flight: antipredator strategies of baleen whales (2008) – Mammal Review
  3. Cetacean sleep: An unusual form of mammalian sleep (2008) – Neuroscience and Biobehavioral Reviews
  4. Lactation in Whales and Dolphins: Evidence of Divergence Between Baleen- and Toothed-Species (1997) – Journal of Mammary Gland Biology and Neoplasia
  5. [TITLE MISSING] – PubMed Central
  6. Blue Whale Life Cycle: Birth, Growth, and Lifespan (2026) – Science Insights
  7. Intelligence, Cognition and Emotion in Cetaceans – The Whale Sanctuary Project

Books

  1. Encyclopedia of Marine Mammals, 3rd edition (2018) – Würsig, Thewissen & Kovacs (eds.)
Module two

The Great Filter Feeders

Lesson 1 · The blue whale

Articles and studies

  1. Colossal ears? How baleen whales hear low-frequency sound (2025) – Hearing Research
  2. Blue whales (2020) – Current Biology
  3. Insight into the kinematics of blue whale surface foraging through drone observations and prey data (2020) – PeerJ
  4. Balaenoptera musculus (Blue Whale) (2018) – IUCN Red List
  5. A pulsed-air model of blue whale B call vocalizations (2017) – Scientific Reports
  6. Worldwide decline in tonal frequencies of blue whale songs (2009) – Endangered Species Research
  7. Studying How Cetaceans Use Sound to Explore Their Environment (1997) – Perspectives in Ethology
  8. Blue Whale – NOAA Fisheries
  9. Blue whale – International Whaling Commission

Lesson 2 · The humpback whale

Articles and studies

  1. Southern Ocean humpback whales are shifting to an earlier return migration (2025) – Scientific Reports
  2. Study finds humpback whales only ones capable of bubble-net feeding (2025) – University of Hawaiʻi
  3. Whales always had voices. Roger Payne helped the world hear them (2023) – Greenpeace
  4. Why Send Whale Song Into Space? (2017) – Literary Hub
  5. Humpback whales interfering when mammal-eating killer whales attack other species: Mobbing behavior and interspecific altruism? (2017) – Marine Mammal Science
  6. Cultural revolution in whale songs (2000) – Nature
  7. How do the ventral grooves of rorquals function? – Baleines en direct

Books

  1. Encyclopedia of Marine Mammals, 3rd edition (2018) – Würsig, Thewissen & Kovacs (eds.)
  2. The Cultural Lives of Whales and Dolphins (2015) – Hal Whitehead & Luke Rendell
Module three

Toothed Whales

Lesson 3 · Beaked whales

Articles and studies

  1. Navigating the unknown: assessing anthropogenic threats to beaked whales, family Ziphiidae (2024) – Royal Society Open Science
  2. Behavioural Ecology Traits of Elusive Deep-Diver Whales Unravel a Complex Social Structure Influenced by Female Philopatry and Defence Polygyny (2022) – Frontiers in Marine Science
  3. Fear of Killer Whales Drives Extreme Synchrony in Deep Diving Beaked Whales (2020) – Scientific Reports
  4. Diving behaviour of Cuvier’s beaked whales (Ziphius cavirostris) off Cape Hatteras, North Carolina (2019) – Royal Society Open Science
  5. Advances in research on the impacts of anti-submarine sonar on beaked whales (2019) – Proceedings of the Royal Society B
  6. Microplastic and macroplastic ingestion by a deep diving, oceanic cetacean: The True’s beaked whale Mesoplodon mirus (2015) – Environmental Pollution
  7. No mass strandings since sonar ban (2013) – Nature
  8. Beaked whales respond to simulated and actual navy sonar (2011) – PLoS ONE
  9. Correlating military sonar use with beaked whale mass strandings: what do the historical data show? (2009) – Aquatic Mammals
  10. Extreme diving of beaked whales (2006) – Journal of Experimental Biology
  11. Elements of beaked whale anatomy and diving physiology and some hypothetical causes of sonar-related stranding (2006) – Journal of Cetacean Research and Management
  12. Understanding the impacts of anthropogenic sound on beaked whales (2005) – Journal of Cetacean Research and Management

Lessons 5–6 · Porpoises & River dolphins

Articles and studies

  1. Estimating the abundance of the critically endangered Baltic Proper harbour porpoise (Phocoena phocoena) population using passive acoustic monitoring (2022) – Ecology and Evolution
  2. A case of playful interaction between Bolivian river dolphins with a Beni anaconda (2022) – JSTOR
  3. River Dolphins Spotted in Rare Playful Interaction With a Beni Anaconda (2022) – Smithsonian Magazine
  4. Polluted porpoises: Generational transfer of organic contaminants in harbour porpoises from the southern North Sea (2021) – Science of the Total Environment
  5. Interacting effects of vessel noise and shallow river depth elevate metabolic stress in Ganges river dolphins (2019) – Scientific Reports
  6. Porpoises the World Over: Diversity in Behavior and Ecology (2019) – Ethology and Behavioral Ecology of Odontocetes (book chapter)
  7. High field metabolic rates of wild harbour porpoises (2018) – Journal of Experimental Biology
  8. Morphological convergence in ‘river dolphin’ skulls (2017) – PeerJ
  9. Ultra-High Foraging Rates of Harbor Porpoises Make Them Vulnerable to Anthropogenic Disturbance (2016) – Current Biology
  10. The Neocortex of Indian River Dolphins (Genus Platanista): Comparative, Qualitative and Quantitative Analysis (2016) – Brain, Behavior and Evolution
  11. Do Porpoises Choose Their Associates? A New Method for Analyzing Social Relationships among Cetaceans (2011) – PLoS ONE
  12. Coexistence of Fisheries with River Dolphin Conservation (2010) – Conservation Biology
  13. Bye Baiji? (2007) – Current Biology
  14. River Dolphins Initiative – WWF
  15. Myths and Legends of the Amazon’s Pink River Dolphin – South America Vacations

Lesson 7 · Echolocation

Articles and studies

  1. For Dolphins, Echolocation May Be More Like ‘Touching’ Than ‘Seeing’ (2025) – Scientific American
  2. Adaptive echolocation behavior of bats and toothed whales in dynamic soundscapes (2023) – Journal of Experimental Biology
  3. Echolocating toothed whales use ultra-fast echo-kinetic responses to track evasive prey (2021) – eLife
  4. A bigger nose, a bigger bang: size matters for echolocating toothed whales (2018) – Aarhus University
  5. Clicking in Shallow Rivers: Short-Range Echolocation of Irrawaddy and Ganges River Dolphins in a Shallow, Acoustically Complex Habitat (2013) – PLoS ONE
  6. The Acoustic World of Harbor Porpoises – American Scientist
  7. Possible limitations of dolphin echolocation: a simulation study based on a cross-modal matching experiment – no link

Lesson 8 · Orca

Articles and studies

  1. Why these orcas are wearing salmon as hats (again) (2024) – National Geographic
  2. Ancestry testing of “Old Tom,” a killer whale central to mutualistic interactions with human whalers (2023) – Journal of Heredity
  3. These orcas control the waves to hunt. It’s spine-tingling to watch. (2023) – National Geographic
  4. Independent acoustic variation of the higher- and lower-frequency components of biphonic calls can facilitate call recognition and social affiliation in killer whales (2020) – PLoS ONE
  5. Genome-culture coevolution promotes rapid divergence of killer whale ecotypes (2016) – Nature Communications
  6. The Cooperation of Humans and Killer Whales (Orcinus orca): The Application of a Simple Fuzzy Rule-Based Model to a Historical System (2015) – Academia.edu
  7. Killer whale ecotypes: Is there a global model? (2013) – Biological Reviews
  8. Cultural traditions and the evolution of reproductive isolation: ecological speciation in killer whales? (2012) – Biological Journal of the Linnean Society
  9. Antarctic Peninsula killer whales (Orcinus orca) hunt seals and a penguin on floating ice (2012) – Marine Mammal Science
  10. Cross-cultural and cross-ecotype production of a killer whale ‘excitement’ call suggests universality (2011) – Naturwissenschaften
  11. Killer whales (Orcinus orca) feeding on schooling herring (Clupea harengus) using underwater tail-slaps: kinematic analyses of field observations (2000) – Journal of Experimental Biology
  12. Development of intentional stranding hunting techniques in killer whale (Orcinus orca) calves at Crozet Archipelago (1995) – Canadian Journal of Zoology
  13. Surface and underwater observations of cooperatively feeding killer whales in northern Norway (1993) – Canadian Journal of Zoology
  14. Intentional stranding apprenticeship and social play in killer whales (Orcinus orca) (1991) – Canadian Journal of Zoology
  15. Acoustic behaviour of resident killer whales (Orcinus orca) off Vancouver Island, British Columbia (1989) – Canadian Journal of Zoology

Books

  1. Endangered Orcas: The Story of the Southern Residents (2019) – Monika Wieland Shields
Module four

Lives in the Ocean

Lesson 2 · Ecosystem engineers

Articles and studies

  1. Migrating baleen whales transport high-latitude nutrients to tropical and subtropical ecosystems (2025) – Nature Communications
  2. The Great Whale Conveyor Belt: Earth’s Largest Mammals Keep Oceans Thriving (2025) – Whale Scientists
  3. Opportunities, research gaps, and risks in allogenic ecosystem engineer mimicry (2025) – PubMed Central
  4. Whales and Carbon Sequestration: Can Whales Store Carbon? (2024) – NOAA Fisheries
  5. Whales are the engineers of their ecosystems (2021) – Whale Scientists
  6. Whales are Vital for Marine Ecosystem Health (2016) – International Whaling Commission
  7. Whales as marine ecosystem engineers (2014) – Frontiers in Ecology and the Environment
  8. Ecosystem Engineers – ScienceDirect Topics
  9. Blue Carbon – NOAA Office for Coastal Management

Lesson 3 · Diving

Articles and studies

  1. How To Study The Deepest Diving Whales? Use Chemistry! (2024) – Whale Scientists
  2. How did whales become the world’s deepest-diving mammals? (2021) – Whale Scientists
  3. Extreme diving in mammals: first estimates of behavioural aerobic dive limits in Cuvier’s beaked whales (2020) – Journal of Experimental Biology
  4. The advantages of diving deep: Fin whales quadruple their energy intake when targeting deep krill patches (2019) – Functional Ecology
  5. The CROW: Campus Research and Observational Writings, Volume Two (2017) – University of Washington Bothell
  6. Adaptations 6: Problems with pressure (2012) – The University of Western Australia
  7. Deadly diving? Physiological and behavioural management of decompression stress in diving mammals (2012) – Proceedings of the Royal Society B

Books

  1. Encyclopedia of Marine Mammals, 3rd edition (2018) – Würsig, Thewissen & Kovacs (eds.)

Lesson 4 · Culture

Articles and studies

  1. Animal culture: conservation in a changing world (2025) – Philosophical Transactions of the Royal Society B
  2. Culture and conservation in baleen whales (2025) – Philosophical Transactions of the Royal Society B
  3. Cultural Transmission, Evolution, and Revolution in Vocal Displays: Insights From Bird and Whale Song (2020) – Frontiers in Psychology
  4. Dolphin girl gang uses sponges to catch prey and create a new culture (2020) – Whale Scientists
  5. The interplay between social networks and culture: theoretically and among whales and dolphins (2013) – Philosophical Transactions of the Royal Society B
  6. Spontaneous human speech mimicry by a cetacean (2012) – Current Biology

Books

  1. The Cultural Lives of Whales and Dolphins (2015) – Hal Whitehead & Luke Rendell
Module five

Under Threat

Lesson 1 · Whaling

Articles and studies

  1. Historical Review of Whaling (2020) – Springer (book chapter)
  2. Too Much Is Never Enough: The Cautionary Tale of Soviet Illegal Whaling (2014) – Marine Fisheries Review
  3. A Review of Changes in the Use of Whale Resources over Time in Japan, with a Specific Example of the Hand-harpoon Fishery of Nago, Okinawa Prefecture (2013) – Semantic Scholar
  4. A taxonomy of world whaling: operations, eras, and data sources (2003) – NOAA
  5. Modern Eskimo whaling in the Alaskan Arctic (1988) – IEEE Xplore
  6. The Technology of Whaling in Australian Waters in the 19th Century (1983) – Semantic Scholar
  7. The Development of Indigenous Whaling: Prehistoric and Historic Contexts – ResearchGate
  8. Commercial whaling – International Whaling Commission

Books

  1. Encyclopedia of Marine Mammals, 3rd edition (2018) – Würsig, Thewissen & Kovacs (eds.)

Lesson 2 · Bycatch and entanglement

Articles and studies

  1. The State of World Fisheries and Aquaculture 2024: Fisheries and aquaculture employment (2024) – FAO
  2. How ‘dolphin safe’ is canned tuna, really? (2021) – National Geographic
  3. Bycatch in gillnet fisheries threatens Critically Endangered small cetaceans and other aquatic megafauna (2019) – Endangered Species Research
  4. Entanglement is a costly life-history stage in large whales (2017) – Ecology and Evolution
  5. Welfare Implications of Cetacean Bycatch and Entanglements (2017) – Marine Mammal Welfare (book chapter)
  6. The Painful Side of Trap and Fixed Net Fisheries: Chronic Entanglement of Large Whales (2012) – Journal of Marine Biology
  7. Lethal entanglement in baleen whales (2011) – Diseases of Aquatic Organisms
  8. Bycatch – International Whaling Commission

Lesson 3 · Noise pollution

Articles and studies

  1. Pilot whales shout louder to be heard over noise pollution (2026) – Journal of Experimental Biology
  2. Avoidance, confusion or solitude? Modelling how noise pollution affects whale migration (2024) – Movement Ecology
  3. Approaches to reduce noise from ships operating in important killer whale habitats (2019) – Marine Pollution Bulletin
  4. Evolution of Marine Noise Pollution Management (2015) – Aquatic Mammals
  5. Evidence that ship noise increases stress in right whales (2012) – Proceedings of the Royal Society B
  6. The impact of ocean noise pollution on marine biodiversity (2008) – Lindy Weilgart

Lesson 5 · Climate change

Articles and studies

  1. Potential synergistic impacts of climate change and anthropogenic activity on Arctic marine mammals (2026) – Environmental Reviews
  2. The Ocean and Climate Change (2025) – NASA Science
  3. Climate change and cetacean health: impacts and future directions (2022) – PubMed
  4. Climate change-accelerated ocean biodiversity loss & associated planetary health impacts (2022) – ScienceDirect
  5. Rapid climate-driven circulation changes threaten conservation of endangered North Atlantic right whales (2019) – Oceanography
  6. Living Planet Index (2016) – WWF
  7. ‘The Blob’ invades Pacific, flummoxing climate experts (2015) – Science
  8. Living Blue Planet Report (2015) – WWF
  9. Arctic amplification dominated by temperature feedbacks in contemporary climate models (2014) – Nature Geoscience
  10. Processes and impacts of Arctic amplification: A research synthesis (2011) – Global and Planetary Change
  11. Loss of Arctic sea ice causing punctuated change in sightings of killer whales (Orcinus orca) over the past century (2009) – Ecological Applications
  12. Ocean acidification: the other CO2 problem (2009) – Annual Review of Marine Science
  13. Potential effects of climate change on marine mammals (2006) – Oceanography and Marine Biology: An Annual Review
  14. Long-term decline in krill stock and increase in salps within the Southern Ocean (2004) – Nature
  15. How climate change impacts the ocean – IFAW
  16. How Narwhals Find Food: Hunting Beneath Arctic Sea Ice – Narwhal.org
Module six

Conservation in Action

Lesson 1 · The humpback recovery

Articles and studies

  1. Changes in age-related sexual selection in a humpback whale population recovering from exploitation (2026) – Current Biology
  2. From Harpoons to Hope – The Return of Humpback Whales (2025) – Greenpeace Australia Pacific
  3. Why humpback whales are coming back (2025) – EarthSky
  4. Bellwethers of change: population modelling of North Pacific humpback whales from 2002 through 2021 reveals shift from recovery to climate response (2024) – Royal Society Open Science
  5. Humpback Whales Have Made a Remarkable Recovery, Giving Us Hope for the Planet (2020) – TIME
  6. Humpback whales make stunning comeback in southern Africa (2019) – National Geographic
  7. Post-whaling Recovery: The Beautiful Story of Humpbacks (2019) – Baleines en direct
  8. Assessing the recovery of an Antarctic predator from historical exploitation (2019) – Royal Society Open Science
  9. High pregnancy rates in humpback whales (Megaptera novaeangliae) around the Western Antarctic Peninsula, evidence of a rapidly growing population (2018) – Royal Society Open Science
  10. Humpback Whales: An Endangered Species Act Success Story? (2016) – NOAA Fisheries
  11. The whale that inspired Greenpeace (2013) – OUPblog – Frank Zelko
  12. Humpback whale – International Whaling Commission
  13. Humpback whale – Center for Biological Diversity
  14. The recovery of North Atlantic right whales, Eubalaena glacialis, has been constrained by human-caused mortality (2018) – Royal Society Open Science

Lesson 2 · The vaquita

Articles and studies

  1. Saving the Vaquita (2025) – Sea Shepherd
  2. Results of the 2025 Vaquita Monitoring Effort (2025) – Sea Shepherd
  3. Chapter 13 – Vaquita Phocoena sinus Norris and McFarland, 1958 (2025) – ScienceDirect (book chapter)
  4. Addressing Illegal Transnational Trade of Totoaba and Its Role in the Possible Extinction of the Vaquita (2023) – Journal of International Wildlife Law & Policy
  5. A field effort to capture critically endangered vaquitas Phocoena sinus for protection from entanglement in illegal gillnets (2019) – Endangered Species Research
  6. Conservation of the vaquita Phocoena sinus (2006) – Mammal Review
  7. What is killing the vaquita? – Porpoise Conservation Society
  8. Vaquita – NOAA Fisheries

Books

  1. Encyclopedia of Marine Mammals, 3rd edition (2018) – Würsig, Thewissen & Kovacs (eds.)

Lesson 3 · Marine protected areas

Articles and studies

  1. A New Era for Ocean Protection (2026) – The Nature Conservancy
  2. What is the High Seas Treaty and Why is it Important? (2026) – United Nations University
  3. 10% of the ocean now protected. We have four years to triple it (2026) – Oceanographic
  4. Dominica creates the world’s first Sperm Whale Reserve, a win for conservation and climate (2025) – One Earth
  5. Dominica Establishes World’s First Sperm Whale Reserve, a Boost for Climate, Biodiversity and the Local Economy (2023) – National Geographic Society
  6. Extensive Use of Habitat-Damaging Fishing Gears Inside Habitat-Protecting Marine Protected Areas (2022) – Frontiers in Marine Science
  7. The Important Marine Mammal Area Network: A Tool for Systematic Spatial Planning in Response to the Marine Mammal Habitat Conservation Crisis (2022) – Frontiers in Marine Science
  8. The MPA Guide: A framework to achieve global goals for the ocean (2021) – Science
  9. Elevated trawling inside protected areas undermines conservation outcomes in a global fishing hot spot (2018) – Science
  10. Place-based approaches to marine mammal conservation (2016) – Aquatic Conservation
  11. Dynamic ocean management: Defining and conceptualizing real-time management of the ocean (2015) – Marine Policy
  12. Global conservation outcomes depend on marine protected areas with five key features (2014) – Nature
  13. The Importance of Marine Protected Areas (MPAs) – National Geographic Education
  14. MPAtlas – Marine Conservation Institute
  15. The MPA Guide – MPAtlas

Lesson 4 · Responsible whale watching

Articles and studies

  1. Your guide to the best, most responsible whale watching destinations (2026) – Travel Counsellors
  2. What is responsible whale watching? – IWC Whale Watching Handbook
  3. Importance of whale watching: Protecting marine life – IFAW
  4. Responsible whale watching and whale welfare – ResearchGate
  5. Keeping whales in captivity is wrong – Responsible Travel
  6. Wild vs. Captivity – Animal Welfare Institute
Interactive

The Deep Dive

The depth records on the Deep Dive page.

  1. Mechanics, hydrodynamics and energetics of blue whale lunge feeding: efficiency dependence on krill density (2011) – Goldbogen et al., Journal of Experimental Biology 214: 131–146 · blue whale, 52–315 m
  2. Freediving – no limit (men) – Guinness World Records · Herbert Nitsch, 214 m, 2007
  3. Respiration and deep diving in the bottlenose porpoise (1969) – Ridgway, Scronce & Kanwisher, Science 166: 1651–1654 · bottlenose dolphin
  4. How deep can dolphins dive? – Dolphin Communication Project · bottlenose dolphin
  5. Movement and diving of killer whales (Orcinus orca) at a Southern Ocean archipelago (2015) – Reisinger et al., Journal of Experimental Marine Biology and Ecology 473: 90–102 · orca
  6. Deep-diving foraging behaviour of sperm whales (Physeter macrocephalus) (2006) – Watwood et al., Journal of Animal Ecology 75: 814–825 · sperm whale
  7. How do deep-diving sea creatures withstand huge pressure changes? (2002) – Ponganis & Kooyman, Scientific American · sperm whale, ~2,000 m
  8. Using narwhals as oceanographic sampling platforms in the high Arctic (2007) – Laidre & Heide-Jørgensen, Oceanography 20(4) · narwhal
  9. Deep-diving by narwhals Monodon monoceros: differences in foraging behavior between wintering areas? (2003) – Laidre et al., Marine Ecology Progress Series 261: 269–281 · narwhal
  10. First long-term behavioral records from Cuvier’s beaked whales (Ziphius cavirostris) reveal record-breaking dives (2014) – Schorr et al., PLOS ONE 9(3): e92633 · 2,992 m
  11. Longest dive by a mammal – Guinness World Records · Cuvier’s beaked whale, 222 minutes (Quick et al. 2020, Journal of Experimental Biology)
Credits

Images & sounds

Photographers, recordists and licences.

Sound recordings

  1. NOAA. Cornell University, Cornell Lab of Ornithology, K. Lisa Yang Center for Conservation Bioacoustics. 2023. Blue Whale. NOAA Sounds of the Ocean – used in “The blue whale”
  2. NOAA. NOAA Fisheries, NEFSC, Passive Acoustics Branch. 2023. Humpback Whale. NOAA Sounds of the Ocean – used in “The humpback whale”
  3. NOAA. NOAA Fisheries, NEFSC, Passive Acoustics Branch. 2023. North Atlantic Right Whale 1. NOAA Sounds of the Ocean – used in “Right whales”
  4. NOAA. NOAA Fisheries, NEFSC, Passive Acoustics Branch. 2023. Bottlenose Dolphin. NOAA Sounds of the Ocean – used in “Dolphins”
  5. NOAA. NOAA Fisheries, NEFSC, Passive Acoustics Branch. 2023. Sperm Whale. NOAA Sounds of the Ocean – used in “Sperm whale”
  6. NOAA. NOAA Fisheries, NEFSC, Passive Acoustics Branch. 2023. Cuvier’s Beaked Whale. NOAA Sounds of the Ocean – used in “Beaked whales”
  7. NOAA. NOAA Fisheries, NEFSC, Passive Acoustics Branch. 2023. Pilot Whale. NOAA Sounds of the Ocean – used in “Pilot whales”
  8. NOAA. Scottish Association for Marine Science, Denise Risch. 2023. Harbor Porpoise. NOAA Sounds of the Ocean – used in “Porpoises”
  9. NOAA. Alfred Wegener Institute, Ilse Van Opzeeland. 2023. Killer Whale. NOAA Sounds of the Ocean – used in “Orca”

Photographs

  1. Photo: Andriy Nekrasov – Plastic and chemical pollution
  2. Photo: Ethan Daniels – Pilot whales
  3. Photo: Francesco Ungaro – Underwater living
  4. Photo: Hernan Segui – Migration
  5. Photo: Ivan Stecko – Underwater living
  6. Photo: NOAA Fisheries – Porpoises
  7. Photo: NOAA Fisheries, Southwest Fisheries Science Center – Whaling
  8. Photo: NOAA Photo Library, CC BY 2.0 – Beaked whales
  9. Photo: Paula Olson, NOAA – The vaquita
  10. Photo: Roland Edler, CC BY 4.0 – Beaked whales
  11. Photo: Vicki Beaver, NOAA Fisheries – The bowhead whale
  12. Photo: marnock, Pexels – Porpoises
  13. Adobe Stock – Mammals that chose the ocean
  14. Shutterstock – 28 lessons
  15. Photo: Adam Ernster, Pexels – orca breaching, home page

Diagrams

  1. Diagrams and charts in the lessons were made for this course.
Spotted a mistake? Science moves fast. If something in a lesson is out of date, I'd love to hear about it at hello@lunasecho.com.