Do GROUSE MIGRATE ?
How thorough our students of birds become ! When refer- ring recently to the experiment undertaken by a professor at Aberdeen University to discover the secrets of grouse migra- tion, if any, I did not know that he had ringed all the grouse on a particular moor. An example that may be compared with it was Mr. Chance's preliminary work when he was investigating " the Cuckoo's secret." He located and watched every single meadow pipit's nest on a spacious common ; and by this means, and this only, was enabled to anticipate the actions of the female cuckoo. The Aberdeen experiment should give not less remarkable results, if sportsmen (and poachers I) will return every ring they find to the University. It is not unlikely that abnormal weather may produce abnormal movements in the coveys.
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