| Handbook of the Birds of the World Alive N Collar, P Boesman, CJ Sharpe Barcelona: Lynx Edicions, 235-240, 2014 | 24 | 2014 |
| Illustrated checklist of the birds of the world, volume 2: Passerines J Del Hoyo, NJ Collar, DA Christie, A Elliott, LDC Fishpool, P Boesman, ... Lynx Edicions, Barcelona, Spain, & BirdLife International, Cambridge, UK 58, 2016 | 22 | 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 | 20 | 2016 |
| Some new information on the distribution of Venezuelan birds P Boesman Cotinga 9, 27-39, 1998 | 17 | 1998 |
| Atlantic puffin (Fratercula arctica), version 1.0 PE Lowther, AW Diamond, SW Kress, GJ Robertson, K Russell, ... Birds of the world, 2020 | 15 | 2020 |
| Birds of Mexico. MP3 sound collection P Boesman CD. Birdsounds. Holanda, 2006 | 15 | 2006 |
| 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 | 14 | 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 | 14 | 2014 |
| 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 | 14 | 1995 |
| Rough-legged Hawk (Buteo lagopus), version 1.0 MJ Bechard, TR Swem, J Orta, PFD Boesman, EFJ Garcia, JS Marks Birds of the world. Ithaca (NY): Cornell Lab of Ornithology. https://doi …, 2020 | 13 | 2020 |
| 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 | 13 | 2013 |
| Birds of Colombia P Boesman Birdsounds. nl, 2012 | 13 | 2012 |
| Birds of Venezuela P Boesman Birdsoundsl. nl, 2007 | 13 | 2007 |
| 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 | 12 | 2015 |
| Black Guillemot (Cepphus grylle), version 2.0 RG Butler, DE Buckley, DN Nettleship, PFD Boesman, EFJ Garcia The Birds of North America Online. Ithaca, USA: Cornell Lab of Ornithology …, 2002 | 12 | 2002 |
| Birds of the World N Collar, PFD Boesman, GM Kirwan, J Del Hoyo, A Elliott, J Sargatal, ... | 11 | 2020 |
| Birds of Mexico P Boesman Birdsounds. nl, 2006 | 11 | 2006 |
| 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 | 11 | 2000 |
| Birds of Venezuela: Photographs, Sound and Distributions P Boesman Bird Songs International, 1999 | 11 | 1999 |
| Saker Falcon (Falco cherrug) J Orta, P Boesman, CJ Sharpe, JS Marks Del Hoyo J., Elliott A. & Sargatal J.(eds.), 273-274, 1994 | 11 | 1994 |
