Letters

01 September 1991 Comments Letters Roosting behaviour of seabirds. It is human nature to avoid raising even obvious questions when no answer appears to be in sight. I nevertheless raise such a question here. Birds of the open ocean, far from land, must not only roost but also sleep on t...
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Letters

01 January 1947 Comments Letters SIRS.--dingers who t r a p adult or first-winter Starlings during January t o March would serve a very useful purpose by noting whether t h e eye is entirely dark or has a narrow light ring, and t h e « x t e n t t o which t h e bill has begun t o turn...
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