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 1964 Comments Letters Disturbance of breeding and resting birds by bird-watchers Sirs,--Changes in land use involving reclamation for agriculture and forestry, together with other factors consequent upon an expanding economy, have, within the last two or three decades, conside...
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