Taxonomy of cryptic species in the Cyornis rubeculoides complex in the Indian subcontinent – Singh – – Ibis – Wiley Online Library https://onlinelibrary.wiley.com/doi/full/10.1111/ibi.12735?hootPostID=38df906ad34e458002e0a132532747a0
Conservationists concerned about late swift return https://www.rspb.org.uk/our-work/rspb-news/news/stories/conservationists-concerned-about-late-swift-return/
Curlew Bird Facts | Numenius Arquata – The RSPB https://www.rspb.org.uk/birds-and-wildlife/wildlife-guides/bird-a-z/curlew/
Scotland Nature | Conservation, Education and Farming – The RSPB https://www.rspb.org.uk/about-the-rspb/at-home-and-abroad/scotland
Worcester Birding: Latest Bird News http://www.worcesterbirding.co.uk/worcestershire_bird_news_60.html
RSPB purchase key site on Ribble Estuary – BirdGuides https://www.birdguides.com/news/rspb-purchase-key-site-on-ribble-estuary-1/
