Letters

01 June 1958
Comments Letters S I R S , -- U n d e r the above title (anlea, vol. L, p p . 432-434), R. Hewson has usefully drawn attention to the aerobatics-- familiar in individuals--that are sometimes performed by flocks of Ravens (Corvus corax) and has discussed questions suggeste...
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Letters

01 March 1958
Comments Letters I N F O R M A T I O N W A N T E D ON L A P W I N G C H I C K S S I R S , -- F r o m observations made over a number of years on the growth and development of young Lapwings (Vanellus vanellus), it would appear that early hatching chicks develop more rapid...
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