Letters

01 May 1963 Comments Letters S I R S , -- I n t h e article on Incubation, b y Mr, Erie B. Dunlop (antea, p. 109), t h e writer s a y s : " Another bird which rears few young compared to t h e number of eggs it lays is t h e Great-erested Grebe. Four or five eggs are very frequently ...
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Notes

01 May 1963 Comments Notes FOE some years now I have been paying particular attention to the nestlings of common birds. It is of course now known to all ornithologists that the parents keep the nest clean (as a general rule) by carrying away the excrement, and often by swallowing ...
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Letters

01 May 1929 Comments Letters SIRS,--We are inclined t o think t h a t Mr. Charles E . AHord in his letter re the. above (antes, p . 331) is perhaps n o t altogether correct when he remarks t h a t the conditions under which we made observations " must be considered rather artificial,...
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Notes

01 May 1929 Comments Notes IN April, 1926, close to my house in Mawgan-in-Pydar, north Cornwall, I found the nest of a Long-tailed Tit (Mgithalos c. rosea) in a low thorn bush, in process of construction. When incubation was commenced, I noticed the tip of the bird's tail projecti...
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