15 local reference photographs with checked credits and licenses. Verified on 7 October 2026. These images show the named species in different parts of the world. They do not show the app observations or establish Norwegian occurrence. Captive photographs are labelled below.
Thumbnails were resized to at most 240 pixels and recompressed as JPEG. The 44 pixel app view can crop them to a square. Each image retains its listed license. Download the provenance manifest.
NOAA photographs credited below are US government works under the NOAA photo policy. Courtesy: National Oceanic and Atmospheric Administration. No endorsement is implied. Other photographs retain their Creative Commons terms, including ShareAlike where specified.
Phocoena phocoena
Erik Christensen · CC BY-SA 3.0 (local license)
Captive animal photographed at Fjord & Bælt, Kerteminde, Denmark.
Resized to at most 240 pixels on the longest edge and recompressed as JPEG. Display may crop to a square.
Its small triangular dorsal fin and blunt head help distinguish this porpoise from dolphins. Fact source (NOAA)
Megaptera novaeangliae
Jérémie Silvestro · CC BY-SA 4.0 (local license)
Mother and calf photographed off Tahiti, French Polynesia.
Resized to at most 240 pixels on the longest edge and recompressed as JPEG. Display may crop to a square.
Researchers recognise individual humpbacks by the patterns, shape and scars on their tail flukes. Fact source (NOAA)
Orcinus orca
Allen Shimada, NOAA/NMFS/OST/AMD · Public domain (US government work)
NOAA Photo Library image anim1133; file description identifies a killer whale.
Resized to at most 240 pixels on the longest edge and recompressed as JPEG. Display may crop to a square.
Killer whale groups learn distinctive calls that help keep members together. Fact source (NOAA)
Delphinus delphis
Netspy (photograph), Medium69 (source crop) · CC BY-SA 3.0 (local license)
Source is already cropped by Medium69; the file page explicitly identifies Delphinus delphis and credits Netspy for the photograph.
Resized to at most 240 pixels on the longest edge and recompressed as JPEG. Display may crop to a square.
A yellowish panel and grey flank form the distinctive hourglass pattern on its sides. Fact source (NOAA)
Tursiops truncatus
Giles Laurent · CC BY-SA 4.0 (local license)
Photographed at Pelican Point, Namibia.
Resized to at most 240 pixels on the longest edge and recompressed as JPEG. Display may crop to a square.
Bottlenose dolphins can cooperate to herd fish before taking turns feeding on the school. Fact source (NOAA)
Balaenoptera acutorostrata
NOAA · Public domain (US government work)
File description explicitly identifies Balaenoptera acutorostrata, not Antarctic minke whale.
Resized to at most 240 pixels on the longest edge and recompressed as JPEG. Display may crop to a square.
Northern Hemisphere common minke whales have a conspicuous white band across each flipper. Fact source (NOAA)
Lagenorhynchus albirostris
Hannah Beker · CC BY-SA 3.0 (local license)
Swimming animals; file description and species category identify white-beaked dolphins. No photograph location is asserted.
Resized to at most 240 pixels on the longest edge and recompressed as JPEG. Display may crop to a square.
White-beaked dolphins sometimes work together to catch schooling fish. Fact source (NOAA)
Delphinapterus leucas
Carquinyol · CC BY-SA 2.0 (local license)
Captive beluga at L’Oceanogràfic, Valencia, Spain.
Resized to at most 240 pixels on the longest edge and recompressed as JPEG. Display may crop to a square.
Belugas can turn and nod their heads because their neck vertebrae are not fused. Fact source (NOAA)
Balaenoptera physalus
Aqqa Rosing-Asvid / Visit Greenland · CC BY 2.0 (local license)
Photographed off Greenland.
Resized to at most 240 pixels on the longest edge and recompressed as JPEG. Display may crop to a square.
The lower jaw has contrasting colours, dark on the left and white on the right. Fact source (NOAA)
Physeter macrocephalus
NOAA Northeast Fisheries Science Center · Public domain (US government work)
Aerial view of six sperm whales.
Resized to at most 240 pixels on the longest edge and recompressed as JPEG. Display may crop to a square.
A sperm whale’s single blowhole sits off centre on the left side of its head. Fact source (NOAA)
Globicephala melas
Aleuze · Public domain (released by copyright holder)
File description identifies Globicephala melas in the Strait of Gibraltar.
Resized to at most 240 pixels on the longest edge and recompressed as JPEG. Display may crop to a square.
Its common name refers to the long, curved flippers on either side of its body. Fact source (NOAA)
Grampus griseus
NOAA Fisheries/J. Cotton · Public domain (US government work)
Photographed during the 2010 Hawaiian Islands Cetacean and Ecosystem Assessment Survey.
Resized to at most 240 pixels on the longest edge and recompressed as JPEG. Display may crop to a square.
Risso’s dolphins often become paler with age and accumulate conspicuous scars. Fact source (NOAA)
Balaena mysticetus
NOAA Fisheries/Amelia Brower · Public domain (US government work)
Aerial view of a pod feeding in the Arctic. This is the credited science-section photograph, not the uncredited hero.
Resized to at most 240 pixels on the longest edge and recompressed as JPEG. Display may crop to a square.
Bowheads have the longest baleen plates of any whale, used to filter small prey from seawater. Fact source (NOAA)
Balaenoptera musculus
NOAA Fisheries · Public domain (US government work)
Blue whale swimming at the surface.
Resized to at most 240 pixels on the longest edge and recompressed as JPEG. Display may crop to a square.
Blue whales trap krill with baleen plates while pushing swallowed seawater out of their mouths. Fact source (NOAA)
Lagenorhynchus acutus
NOAA Fisheries · Public domain (US government work)
Group of Atlantic white-sided dolphins.
Resized to at most 240 pixels on the longest edge and recompressed as JPEG. Display may crop to a square.
A white flank patch beneath a yellowish streak helps identify this dolphin. Fact source (NOAA)
Species without a verified local photograph receive a labelled illustration. It represents a generic cetacean and is not a species identification drawing. The same fallback appears if a local photograph fails to load. The original illustration is dedicated under CC0 1.0 (local license).
Generic illustration, not a species photo
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