Definition of whooper in English:

whooper

Syllabification: whoop·er
Pronunciation: /ˈ(h)wo͞opər, ˈho͞opər
 
/

noun

(also whooper swan)
  • 1A large migratory swan with a black and yellow bill and a loud trumpeting call, breeding in northern Eurasia and Greenland.
    • Cygnus cygnus, family Anatidae
    More example sentences
    • Today, fewer than 200 whoopers survive in the wild, most migrating with sandhill cranes between Canada and Texas.
    • Fewer than a dozen of those whoopers continue to migrate with their adoptive parents, but none of them has yet produced offspring.
    • One whooper and five Bewick's swans have been fitted with transmitters which will enable them to be visibly tracked by satellite and followed online.

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