colour-ringing
(US color-ringing) Ornithology
noun
The marking of birds using differently coloured rings (usually fixed to the legs) to distinguish individuals within a population.
Origin
1930s.
| 单词 | colour-ringing |
| 释义 | colour-ringing(US color-ringing) Ornithology noun The marking of birds using differently coloured rings (usually fixed to the legs) to distinguish individuals within a population. Origin |
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