sill-haspen

Sill-haspen1[SIH·ull HAS·pen] are a subspecies of haspen easily identifiable by their four sets of wings and elongated necks.2Unlike other varieties of haspen, they are not easily mistaken for geese or swans. They live on high ledges and in eaves, building nests out of fabric that is glued down with their specialized saliva.

The fourth and uppermost set of wings on the neck of a sill-haspen is vestigial; all other sets contribute to keeping the bird and its comically long neck airborne.

  • 1
    [SIH·ull HAS·pen]
  • 2
    Unlike other varieties of haspen, they are not easily mistaken for geese or swans.
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