perlindungan yang dipimpin oleh Royal Society for the Protection of Birds. RSPB memperkirakan terdapat 1.402 pasangan berbiak di Britania Raya pada tahun...

ISBN 978-1-4081-2501-4. Wikimedia Commons memiliki media mengenai Cygnus cygnus. Whooper Swan Page RSPB Templat:Field guide birds of the world {{{2}}} di Avibase l b s...

2015–2019: Keith Hamer (University of Leeds) 2019–2023: Juliet Vickery (RSPB/BTO) Bowdler Sharpe, R (1908). "Alfred Newton". British Birds. 1: 33–9. Diarsipkan...

Photos Hunting with Golden Eagles Diarsipkan 2011-07-14 di Wayback Machine. RSPB A to Z of UK Birds AQUILALP.NET – Monitoring Golden Eagles in the Eastern...

Branta leucopsis. Wikispecies mempunyai informasi mengenai Branta leucopsis. RSPB Birds by Name: Barnacle Goose Lembar fakta spesies dari BirdLife untuk Branta...

Strix aluco [Linnaeus, 1758]". BirdFacts. British Trust for Ornithology (BTO). Diakses tanggal 31 May 2008. Snow, David (1998). Perrins, Christopher M...

doi:10.2173/bow.rocpta1.01. Diakses tanggal 2021-02-16. Harrap, Simon (2012). RSPB pocket guide to British birds (Edisi Second). London. ISBN 978-1-4729-3229-7...

Eurasian woodcock photos at Oiseaux.net {{{2}}} di Avibase Woodcock at RSPB Birds by Name Ageing and sexing (PDF; 2.9 MB) by Javier Blasco-Zumeta & Gerd-Michael...

Ageing and sexing (PDF; 5.8 MB) by Javier Blasco-Zumeta & Gerd-Michael Heinze RSPB webpage with sound and video files. Retrieved 10 July 2009 Global Raptor...

entri wren di kamus bebas Wikikamus. The Jungle Book di Proyek Gutenberg RSPB wren page BBC Sounds wren as "Tweet of the Day" Birds of Britain wren page...

The RSPB (dalam bahasa Inggris (Britania)). Diarsipkan dari asli tanggal 31 Oktober 2022. Diakses tanggal 14 Februari 2022. Holden, Peter (2006). RSPB handbook...

albicilla. White-tailed Eagle Webcam - Smøla, Norway White-tailed Eagle at RSPB: Birds by Name Live webcam nest White-tailed Eagle, Oostvaardersplassen,...

Wayback Machine. RSPB A to Z of UK birds Canada Goose at All About Birds Canada Goose videos, photos & sounds on the Internet Bird Collection BTO BirdFacts -...

Information on subspecies cabrerae". Diakses tanggal 27 December 2007. (Inggris) "RSPB - Blackbird, including video and sound clips". Diakses tanggal 27 December...

Cambridge University Press. hlm. 61. ISBN 9780521448222. "Curlew sandpiper". RSPB. Oiseaux.net. "Bécasseau cocorli - Calidris ferruginea - Curlew Sandpiper"...

Gala - Halaman 2. Diakses tanggal 2025-12-14. "Red Backed Shrike Bird Facts (Lanius collurio)". www.rspb.org.uk. RSPB. Diakses tanggal 15 August 2021....

Ness (4 May 2023). "Black eyes in seabirds indicates bird flu survival". RSPB. Diakses tanggal 20 September 2023. Nelson 2010, hlm. 20. Nelson 2005, hlm...

ferina. Wikispecies mempunyai informasi mengenai Aythya ferina. Pochard at RSPB Birds by Name Lembar fakta spesies dari BirdLife untuk Aythya ferina {{{2}}}...

mengenai Periparus ater. BBC Radio: Coal tit song. Retrieved 21 November 2006. RSPB: Coal tit. Includes song and video. Retrieved 13 March 2008. Ageing and sexing...

Diakses tanggal 21 July 2018. "RSPB's emblem bird, the avocet, breeds at RSPB Skinflats for the first time". Royal Society for the Protection of Birds...

teks artikel the 1911 Encyclopædia Britannica tentang Shoveler. Shoveler at RSPB Birds by Name Northern Shoveler Species Account – Cornell Lab of Ornithology...

T22720671A132141969. doi:10.2305/IUCN.UK.2018-2.RLTS.T22720671A132141969.en. ; RSPB Handbook of British Birds (2014). ISBN 978-1-4729-0647-2 Springer. "Songbirds...

Zetterstrom, Dan; Grant, Peter (1999). Collins Bird Guide. London: HarperCollins. ISBN 0-00-219728-6. "RSPB: Brambling". Diakses tanggal 7 January 2019....