Assertion: narwhal | /r/HasAspect | dorsal fin
Facets:
value: unlike dolphins
type: OTHER
Source sentences:
text: Like other Arctic whales including bowhead and beluga, narwhals don’t have a dorsal fin.
text: Narwhals do not swim very fast because they have no dorsal fins.
text: Like other Arctic whales including bowhead and beluga, narwhals don’t have a dorsal fin.
text: Narwhals don’t have a dorsal fin.
text: They don’t have a dorsal fin, which means they can swim directly under the ice, and they manage to find food and breathing holes in a cold, dark environment.
text: The narwhal has no dorsal fin.
text: Unlike dolphins, the narwhal has no dorsal fin.