| 释义 |
Heligoland trap|ˈhɛlɪgəʊlænd træp|
[f. Heligoland, a German island in the North Sea: see trap n.1]
A type of trap used to catch birds for banding or ringing.
1935Brit. Birds XXVIII. 310 The few hundred Pipits which have been caught since a Heligoland trap was put into operation on Skokholm in August, 1933. 1960E. Ennion House on Shore iv. 40 Variety in the design of Heligoland and crow traps at the various Observatories is as nothing compared with the diversity found among their smaller..types of trap. |