British Birds April 2020: summary of contents

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The Common Buzzard is a success story. It is an adaptable bird with a varied, flexible diet and, as persecution has become less of a problem, it has been able to take full advantage of our modern landscapes. It is Britain’s most abundant raptor and…

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Ringing of Common Chiffchaffs during three consecutive winters at a waste-water treatment works in south Devon revealed that the site supported a wintering population of at least 90 birds…

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Using calls to identify crossbills is less subjective than trying to discern small differences in bill size, and the results of this study may help observers who record crossbill calls.

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Members of the seabird family Procellariidae (albatrosses, petrels and shearwaters) typically produce a single-egg clutch. Two-egg clutches have been recorded occasionally…

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On the afternoon of 14th October 2018, a swift with a white rump was found at Hornsea Mere…

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British Birds March 2020, summary of contents

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This is the fourth report by the Avian Population Estimates Panel, following those in 1997, 2006 and 2013, presenting population estimates of birds in Great Britain and the United Kingdom…

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There is good evidence that the breeding Water Rail population in the UK is higher than reported. Estimates from county recorders during 2016 and 2017 were used to derive an updated national total, of between 2,500 and 3,900 breeding pairs or territories…

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Birds are poisoned by lead from ammunition, for example when waterbirds and terrestrial gamebirds ingest gunshot mistakenly for grit or food, or when scavenging and predatory birds ingest fragments of lead from gunshot or bullets in the flesh of their prey…

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