Main articles

The Carl Zeiss Award is awarded for the best rarity submission of the year…

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Differences in the primary spacing between Iberian Chiffchaff and Common Chiffchaff are described, based on measurements from good-quality photographs of birds on the breeding grounds…

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The egg of the Common Guillemot is one of the most strikingly beautiful of all British breeding birds…

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Iberian Chiffchaff has become an annual vagrant to Britain, but in some cases the identification of this subtle species remains extremely challenging.

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Minsmere, which celebrated its 70th anniversary as an RSPB reserve in 2017, has been an inspiration to naturalists and birdwatchers through its variety of habitats and species, its role in saving some of the UK’s most iconic breeding birds and the sense of space, peace, connection with nature that it provides…

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An adult or near-adult Slaty-backed Gull at Rainham landfill, Greater London, in January 2011, seen later at Wennington Marshes, Pitsea landfill and Hanningfield Reservoir, Essex, has been accepted as the first record for Britain…

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The subject of climate change is much discussed, and can polarise opinion like few other scientific issues…

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A marked surge in the number of breeding Firecrests since 2000 is apparent in some parts of southern England…

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British records of Mugimaki Flycatcher and Chinese Pond Heron have presented BOURC with particular issues regarding provenance. This paper sets out the circumstances surrounding each claim…

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An adult Chinese Pond Heron at Eccles-on-Sea, Norfolk, on 31st October 2004, and East Dean, Hampshire, on 13th November 2004 becomes the first British record…

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