Marine
Aeolian Islands dolphin feeding aggregations
Marine
Algarve Sardine Baitball and Dolphin Feeding Frenzy
Marine
Algoa Bay Chokka Squid Spawning Run
Marine
Aliwal Shoal ragged-tooth shark aggregation
Marine
Alor Sperm Whale Passage
Marine
Amalfi Coast Bioluminescent Plankton
Marine
Amami Pufferfish Sand Circles
Marine
Ambergris Caye Mutton Snapper Spawning Aggregations
Marine
Andaman Sea Bioluminescent Plankton
Marine
Anilao Flamboyant Cuttlefish Mating Displays
Marine
Aori-ika (bigfin reef squid) egg-laying, Izu Peninsula
Marine
Aoshio (Tokyo Bay Blue Tide)
Marine
Aqaba Coral Spawning (Red Sea)
Marine
Archipelago Sea Baltic herring spawning (Airisto)
Wildlife
Atlantic Puffin Colonies
Marine
Australian Fur Seal Pupping (Seal Rocks)
Marine
Bandar-e Jask mangrove bioluminescence
Marine
Basking Shark Season, Hebrides
Marine
Basking Shark Surface Feeding (Shetland)
Marine
Bat Islands bull-shark aggregation
Marine
Bau Nyale (Nyale Sea Worm Emergence)
Marine
Bazaruto dugong feeding aggregation
Marine
Bazaruto Sailfish Run
Marine
Beluga Whale Estuary Aggregation (Churchill)
Marine
Bermuda fireworm bioluminescent mating spirals
Wildlife
Bijagós Green Turtle Nesting (Guinea-Bissau)
Marine
Bimini Great Hammerhead Shark Aggregation
Wildlife
Bismarck Archipelago leatherback turtle nesting
Marine
Blue Tears (bioluminescence) - Pingtan Island
Marine
Bocas del Toro hawksbill turtle nesting
Marine
Bonaire Brittle Star Mass Spawning
Marine
Bosphorus Autumn Fish Migration (Palamut/Lüfer Run)
Marine
Bothnian Bay coastal polynya (Kvarken)
Marine
Bremer Bay Orca Season
Marine
Brinicle (brine icicle)
Marine
Brinicle Formation
Marine
Bunaken Coral Mass Spawning
Marine
Cabo Pulmo Jackfish Tornado
Marine
California Dolphin Superpod (Monterey Bay)
Marine
Cape Cod Bay Right Whale Spring Aggregation
Marine
Cape Cod Great White Shark Seal Predation
Marine
Cape Verde Humpback Whale Breeding Season
Marine
Cape Verde loggerhead turtle nesting
Marine
Capelin Rolling
Marine
Cardigan Bay Bottlenose Dolphin Season
Marine
Cenderawasih Bay Whale Shark Bagans
Marine
Chandipur Vanishing Sea (Low Tide)
Marine
Channel Islands blue whale feeding aggregation
Marine
Coastal Bioluminescent Red Tide (San Diego)
Marine
Cocos Island Hammerhead Shark Aggregations
Marine
Con Dao Green Turtle Nesting
Marine
Con Dao hawksbill turtle nesting
Marine
Coral Reef Dawn & Dusk Chorus
Marine
Coral Spawning - Great Barrier Reef
Marine
Coral Trout Spawning Aggregations (Great Barrier Reef)
Marine
Corryvreckan Whirlpool
Marine
Corsican red coral (Corallium rubrum) diving season
Marine
Crystal River Manatee Gathering
Marine
Curaçao Coral Mass Spawning
Atmospheric
Daruma Yuuhi (Daruma Sunset)
Marine
Darwin Island Whale Shark Aggregation
Marine
Daymaniyat Islands Hawksbill Turtle Nesting
Marine
Derawan green turtle nesting
Marine
Detwah Lagoon Bioluminescence
Wildlife
Diani Beach Green Turtle Nesting
Marine
Donsol Whale Shark Season
Marine
Dugong seagrass feeding, Trang (Ko Libong & adjacent waters)
Marine
Dwarf Minke Whale Encounters, Ribbon Reefs
Marine
East Coast Humpback Whale Migration (Australia)
Marine
Eisstoß (Eisschollenteppich) at Jasmund / Rügen
Marine
Fakarava South Pass Grouper Spawning
Marine
Falmouth Bay Sea Sparkle
Marine
False Bay bioluminescent red tide
Marine
Farallon Islands Great White Shark Aggregation
Wildlife
Fernandina Flightless Cormorant Mating Season
Wildlife
Fernando de Noronha Spinner Dolphin Bay Gathering
Marine
Fiji Balolo Rising
Geological
Fingal's Cave Basalt Columns and Wave Acoustics
Marine
Firefly Squid of Toyama Bay
Marine
Florida Keys coral mass spawning
Marine
Flower Garden Banks Coral Mass Spawning
Marine
Franz Josef Land walrus haul-out
Marine
Frederick Sound Humpback Bubble-Net Feeding
Marine
Frost flowers on new sea ice (Finland)
Geological
Furepe Falls Icefall
Wildlife
Galápagos Blue-Footed Booby Courtship Dance
Marine
Galápagos Fur Seal Pupping Season
Wildlife
Galápagos Green Sea Turtle Nesting Season
Wildlife
Galápagos Marine Iguana Christmas Breeding Colors
Wildlife
Galápagos Penguin Breeding Season
Wildlife
Galapagos Red-footed Booby Nesting on Genovesa Island
Wildlife
Galápagos Sea Lion Pupping Season
Marine
Giant Cuttlefish Aggregation - Whyalla
Wildlife
Giant Spider Crab Congregation (Port Phillip Bay)
Marine
Gippsland Lakes Bioluminescence (Noctiluca)
Marine
Gladden Spit Whale Shark Full-Moon Aggregation
Marine
Glass Eel (Elver) Spring Run — Maine, USA
Marine
Golden Jellyfish Swarm (Jellyfish Lake, Ongeiml Tketau)
Marine
Golfo Dulce Permanently Bioluminescent Bay
Marine
Goliath Grouper Spawning Aggregations (Jupiter, Florida)
Marine
Grande Riviere Leatherback Turtle Mass Nesting
Marine
Gray Whale Migration
Wildlife
Green Turtle Hatching in Fernando de Noronha
Wildlife
Green Turtle Nesting Season
Marine
Grunion Runs
Marine
Gulf of Corcovado Blue Whale Feeding Season
Marine
Hallaniyat Islands Whale Shark Season
Marine
Harp Seal Pupping, Gulf of St. Lawrence
Marine
Hawaiian spinner dolphin dawn congregation
Marine
Head of the Bight Southern Right Whale Nursery
Marine
Hermanus Southern Right Whale Calving Season
Marine
Hervey Bay Humpback Whale Breaching
Marine
Holbox Whale Shark Feeding Aggregation
Marine
Hook Head Marine Bioluminescence
Marine
Horizontal Falls Spring Tide Rush
Marine
Horseshoe Crab Spawning
Wildlife
Humpback Whale Breach - Pacific
Marine
Humpback Whale Migration in Watamu
Marine
Humpback Whales in Okinawa
Marine
Húsavík Summer Whale Feeding Season
Marine
Iceberg Alley (Newfoundland)
Marine
Île Sainte-Marie Humpback Whale Nursery
Marine
Indian River Lagoon Bioluminescence
Atmospheric
Isaribi Light Pillars (Mikuriya Port)
Marine
Ishigaki Manta Ray Season
Marine
Isla Holbox Bioluminescent Plankton
Marine
Isla Mujeres Sailfish Baitball Hunts
Marine
Isle of Mull Minke Whale Season
Marine
Jervis Bay Sea Sparkle (Bioluminescence)
Marine
Jindo Sea Parting (Sinbi-ui Badatgil)
Marine
Kasaoka Bay Tri-spine Horseshoe Crab Spawning
Marine
Kona Manta Ray Night Dive
Geological
Kotohikihama Singing Sand
Marine
Kuchinoshima Spotted Eagle Ray Schooling
Marine
Kyparissia Bay Loggerhead Nesting
Marine
La Flor Olive Ridley Arribada
Marine
Layang-Layang Hammerhead Shark Aggregation
Wildlife
Leatherback Turtle Nesting in Tortuguero
Marine
Lofoten Skrei (Atlantic Cod) Spawning Run
Marine
Luminous Lagoon (Glistening Waters) Bioluminescence
Marine
Mabua Golden Jellyfish Swarm
Marine
Mackenzie Delta Spring Ice Breakup
Marine
Malapascua Thresher Shark Dawn Aggregation
Wildlife
Manatee Aggregation - Florida Springs
Biological
Manta Ray Feeding Frenzy
Marine
Manta Ray Mass Feeding (Hanifaru Bay, Baa Atoll)
Marine
Matsu Blue Tears Bioluminescence
Marine
Maui Humpback Whale Competitive Pods
Biological
Mayfly Emergence
Marine
Menai Strait Swellies Spring Tide Race
Marine
Mikurajima Wild Dolphin Swim
Marine
Milne Bay Manta Ray Aggregation
Marine
Misool Coral Mass Spawning
Marine
Moalboal Sardine Run (Baitball Whirlpool)
Wildlife
Mobula Ray Aggregation - Baja California
Marine
Mon Repos Loggerhead Turtle Nesting and Hatchlings
Marine
Mont-Saint-Michel Grandes Marées (Super-tides)
Marine
Monterey Bay Market Squid Spawn and Egg Beds
Marine
Monterey Bay Sea Sparkle Bioluminescence
Atmospheric
Moonbow at Cumberland Falls
Marine
Moray Firth Bottlenose Dolphin Season
Atmospheric
Morning Glory Clouds
Marine
Nagabeta Kaishoro Tidal Road
Marine
Nami-no-hana (Wave Flowers) of Noto and Tojinbo
Marine
Naruto Whirlpools
Marine
Narwhal Summer Congregations (Tremblay Sound)
Marine
Nassau Grouper Spawning Aggregations (Grouper Moon)
Marine
Nazaré Giant Waves (Praia do Norte)
Marine
New Caledonia Lagoon Humpbacks
Marine
Ningaloo Coral Mass Spawning
Marine
Ningaloo Humpback Whale Coastal Season
Marine
Ningaloo Whale Shark Season
Marine
North Atlantic Right Whale Calving Ground
Marine
Norwegian Fjord Sea Sparkle (Morild)
Marine
Notoro Lake Sango Grass Red Carpet
Marine
Nuquí Humpback Whale Mother-Calf Congregation
Marine
Nusa Penida Mola Mola Cold-Water Season
Marine
Ogasawara Humpback Whale Season
Marine
Ogasawara Sperm Whale Season
Geological
Okhotsk Drift Ice
Marine
Okinawa Coral Spawning
Marine
Okoshiki Coast Tidal Sand Art
Marine
Old Sow Whirlpool
Marine
Olive Ridley Arribada - Gahirmatha
Marine
Osa Peninsula Whale Shark Encounters
Wildlife
Ostional Olive Ridley Arribada
Marine
Pacific Herring Spawn (kuki milky sea)
Marine
Palau Bumphead Parrotfish Mega-Spawn
Marine
Palolo Worm Swarms (Upolu, Samoa)
Marine
Paracas Bioluminescent Red Tide Waves
Marine
Passage du Gois Tidal Road Submersion
Marine
Patagonian Dolphin Shore Feeding
Biological
Penguin Parade - Phillip Island
Marine
Peninsula Valdes Orca Stranding Hunt
Marine
Pentland Firth Tidal Race (Caithness)
Marine
Perth Canyon Blue Whale Season
Marine
Peruvian Anchoveta Upwelling Feeding Frenzy
Marine
Petitcodiac River Tidal Bore
Marine
Phú Quốc Bioluminescent Plankton
Marine
Piedras Blancas Elephant Seal Molt
Wildlife
Pitlochry Salmon Run (Fish Ladder)
Marine
Pongara Leatherback Mass Nesting
Marine
Pororoca (Amazon tidal bore)
Marine
Puerto Rico Bioluminescent Bays
Geological
Punakaiki (Pancake Rocks) Blowholes
Marine
Qiantang River Tidal Bore (Haining)
Marine
Rarotonga Humpback Migration
Marine
Ras Al Jinz green turtle nesting
Marine
Red Sea Whale Shark Aggregation (Saudi Arabia)
Marine
Reversing Falls Tidal Rapids
Marine
Saimaa ringed seal pupping
Biological
Sakura Shrimp Swarms
Biological
Salmon Run - Bristol Bay
Geological
Saltstraumen Maelstrom - Norway
Marine
San Ignacio Lagoon Gray Whale Mother-Calf Congregation
Marine
Santa Cruz Bioluminescent Red Tide Waves
Wildlife
Sapporo Urban Salmon Run
Biological
Sardine Run South Africa
Marine
Sea Firefly (Umi-hotaru) Swarms
Marine
Sea of Cortez Blue Whales (Loreto)
Marine
Sea Sparkle (Coastal Bioluminescence)
Biological
Sea Turtle Arribada
Biological
Sea Turtle Nesting - Florida
Marine
Seal Island Great White Shark Breaching (False Bay)
Marine
Selayar Islands Whale Shark Feeding Aggregation
Marine
Shetland Orca Summer Season
Biological
Shiretoko Rausu Orca Season
Marine
Shodoshima Angel Road (tidal sandbar)
Marine
Sipadan Barracuda Tornado
Marine
Sipadan Green Turtle Hatchling Emergence
Marine
Sitka Sound Herring Spawn
Wildlife
Skeleton Coast Cape Fur Seal Colony
Marine
Skjervøy Herring Spawn and Orca Feeding
Marine
Skookumchuck Narrows Tidal Rapids
Marine
Snaefellsnes Orcas (herring season)
Biological
Soldier Crab Army Emergence
Wildlife
Southern Elephant Seal Breeding Season
Marine
Southern Right Whale Nursery
Marine
Southern Right Whale Season in Puerto Madryn
Marine
St Ives Bay Sea Sparkle (Bioluminescence)
Celestial
Staircase to the Moon (Broome)
Marine
Steller Sea Lion Winter Haulouts
Marine
Storfjorden Polynya
Marine
Takeno Beach Bioluminescent Plankton
Marine
Tasmania Sea Sparkle (Bioluminescence)
Geological
Thor's Well: King Tide Eruptions
Geological
Tidal Bores - Severn & Bay of Fundy
Marine
Trincomalee Blue Whale Season
Marine
Tromsø Humpback and Orca Fjord Feast
Marine
Tubbataha Coral Mass Spawning
Marine
Turnagain Arm Bore Tide
Marine
Turneffe Atoll Cubera Snapper Spawning Aggregation
Biological
UK Grey Seal Pupping Season
Marine
Utila Whale Shark Season
Wildlife
Uvita Humpback Whale Double Migration
Marine
Vaadhoo Sea of Stars (bioluminescent plankton)
Wildlife
Valdes Sea Lion Pupping Season
Marine
Vancouver Island Herring Spawn
Marine
Vava'u Humpback Whale Season
Marine
Wadden Sea oyster spawning and dispersal
Biological
Walrus Haul-out
Marine
West Coast Rock Lobster Walkout
Biological
Whale Shark Aggregations
Biological
Yakushima Sea Turtle Nesting
Marine
Yap Manta Ray Cleaning Stations
Biological