Assertion: narwhal | /r/HasProperty | similar size
Facets:
value: to the beluga
type: OTHER
Source sentences:
text: Narwhals (Monodon monoceros) are considered medium-sized odontocetes, or toothed whales (the largest being the sperm whale, and the smallest, the harbour porpoise), being of a similar size to the beluga, its close relative.