Heligoland trap

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English[edit]

English Wikipedia has an article on:
Wikipedia

Etymology[edit]

The first such trap was located at a bird observatory on the island of Heligoland, Germany.

Noun[edit]

Heligoland trap (plural Heligoland traps)

  1. A large, building-sized, funnel-shaped, rigid structure of wire mesh or netting used to catch birds for ornithological study.
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