Illustrated Checklist of the Birds of the World: Non-passerines J del Hoyo, NJ Collar, DA Christie, A Elliott, L Fishpool, P Boesman, ... Lynx Ediciones, 2014 | 148 | 2014 |
HBW and BirdLife International illustrated checklist of the birds of the world: passerines J del Hoyo, D Christie, A Elliott, LDC Fishpool, P Boesman, NJ Collar, ... Lynx Edicions, 2016 | 69 | 2016 |
Handbook of the birds of the world alive P Wiersma, GM Kirwan, P Boesman, J del Hoyo, A Elliott, J Sargatal, ... Barcelona: Lynx Edicions, 2016 | 40 | 2016 |
Atlantic puffin (Fratercula arctica), version 1.0 PE Lowther, AW Diamond, SW Kress, GJ Robertson, K Russell, ... Birds of the world, 2020 | 37 | 2020 |
Handbook of the Birds of the World Alive N Collar, P Boesman, CJ Sharpe Barcelona: Lynx Edicions. pp, 2019 | 28 | 2019 |
Handbook of the Birds of the World Alive RO Bierregaard, GM Kirwan, P Boesman, J Del Hoyo, A Elliott, J Sargatal, ... Lynx Edicions, 2019 | 23 | 2019 |
Steppe eagle (aquila nipalensis) BU Meyburg, P Boesman, JS Marks, CJ Sharpe Migratory Birds to Wind Energy Development; Del Hoyo, J., Elliott, A., Eds, 2013 | 17 | 2013 |
Some new information on the distribution of Venezuelan birds P Boesman Cotinga 9, 27-39, 1998 | 17 | 1998 |
Great Egret (Ardea alba), version 1.0 DA McCrimmon Jr, JC Ogden, GT Bancroft, A Martínez-Vilalta, A Motis, ... Birds of the World (SM Billerman, Editor). Cornell Lab of Ornithology …, 2020 | 16 | 2020 |
HBW and BirdLife International J Del Hoyo, NJ Collar, DA Christie, A Elliott, LDC Fishpool, P Boesman Illustrated Checklist of the Birds of the World 1, 24-46, 2014 | 15 | 2014 |
Birds of Mexico. MP3 sound collection P Boesman CD. Birdsounds. Holanda, 2006 | 15 | 2006 |
Black Guillemot (Cepphus grylle), version 2.0 RG Butler, DE Buckley, DN Nettleship, PFD Boesman, EFJ Garcia The birds of North America (AF Poole and FB Gill, eds.). Cornell Lab of …, 2002 | 14 | 2002 |
Great Cormorant (Phalacrocorax carbo), version 2.0 JJ Hatch, KM Brown, GG Hogan, RD Morris, J Orta, EFJ Garcia, F Jutglar, ... The Birds of North America (PG Rodewald, editor). Cornell Lab of Ornithology …, 2000 | 14 | 2000 |
Rough-legged Hawk (Buteo lagopus), version 1.0 MJ Bechard, TR Swem, J Orta, PFD Boesman, EFJ Garcia, JS Marks Birds of the World, 2020 | 13 | 2020 |
Saker falcon (Falco cherrug) J Orta, P Boesman, CJ Sharpe, JS Marks Birds of the World, 2020 | 13 | 2020 |
European Turtle-dove (Streptopelia turtur) LF Baptista, PW Trail, HM Horblit, P Boesman, CJ Sharpe, GM Kirwan, ... del Hoyo, J., Elliott, A., Sargatal, J., Christie, DA & de Juana, E …, 2015 | 13 | 2015 |
Birds of Colombia P Boesman Birdsounds. nl, 2012 | 13 | 2012 |
Birds of Venezuela P Boesman Birdsoundsl. nl, 2007 | 13 | 2007 |
Southern ground hornbill Bucorvus leadbeateri AC Kemp, P Boesman The Eskom red data book of birds of South Africa, Lesotho and Swaziland, 117-119, 1995 | 13 | 1995 |
Kentish plover (Charadrius alexandrinus), version 1.1 J Del Hoyo, P Wiersma, GM Kirwan, N Collar, PFD Boesman, CJ Sharpe Birds of the World. Ithaca: Cornell Lab of Ornithology 10, 2020 | 12 | 2020 |