| Handbook of the Birds of the World vol. 1. J Del Hoyo, A Elliott, J Sargatal Lynx Edicions, Barcelona, 1992 | 7714* | 1992 |
| Handbook of the Birds of the World. Vol. 8, Broadbills to Tapaculos J del Hoyo, A Elliot, DA Christie Lynx Edicions, 2003 | 5522* | 2003 |
| Handbook of the birds of the world. Volume 7. Jacamars to woodpeckers J del Hoyo, A Elliott, J Sargatal Lynx Edicions, Barcelona, 296-555, 2002 | 5426* | 2002 |
| Handbook of the Birds of the World. Vol. 5. Barn-Owls to Hummingbirds J del Hoyo, A Elliott, J Sargatal Lynx Edicions, Barcelona, 1999 | 5412* | 1999 |
| Handbook of the Birds of the World, Vol. 3. Barcelona: Lynx Edicions J Del Hoyo, A Elliott, J Sargatal Komolphalin, Kamol, 1996 | 5390* | 1996 |
| Handbook of the Birds of the World. Vol. 9. Cotingas to Wagtails J DEL HOYO, A ELLIOT, J SARGATAL Barcelona, Linx Edicions 9, 2004 | 5384* | 2004 |
| A Guide to the Birds of Colombia SL Hilty, WL Brown Princeton University Press, 1986 | 2524 | 1986 |
| CRC Handbook of Avian Body Masses JB Dunning Jr. CRC Press, 1993 | 2448* | 1993 |
| The Birds of South America: Volume 1: The Oscine Passerines RS Ridgely, G Tudor University of Texas Press, 1989 | 2448* | 1989 |
| A Guide to the Birds of Costa Rica FG Stiles, AF Skutch, D Gardner Christopher Helm, 1989 | 1788 | 1989 |
| Birds of the high Andes: a manual to the birds of the temperate zone of the Andes and Patagonia, South America J Fjeldså, N Krabbe Apollo Books, 1990 | 1434 | 1990 |
| The Birds of Ecuador. Vol. 2, A Field Guide RS Ridgely, PJ Greenfield Christopher Helm, 2001 | 1139* | 2001 |
| Birds of Venezuela SL Hilty Princeton University Press, 2010 | 970 | 2010 |
| The Cuckoos RB Payne, MD Sorensen OUP Oxford, 2005 | 821 | 2005 |
| Field Guide to the Birds of North America NG SOCIETY NATIONAL GEOGRAPHIC SOCIETY, 1983 | 808* | 1983 |
| Birds in Brazil: a Natural History H Sick Princeton University Press, 1993 | 667 | 1993 |
| A Guide to the Birds of the West Indies HA Raffaele, T Pedersen, K Williams Princeton University Press, 1998 | 645 | 1998 |
| Birds of Northern South America: an identification guide RL Restall, C Rodner, M Lentino, D Ascanio Christopher Helm, 2006 | 541* | 2006 |
| Quantitative criteria for species delimitation JA Tobias, N Seddon, CN Spottiswoode, JD Pilgrim, LDC Fishpool, ... Ibis 152 (4), 724-746, 2010 | 524 | 2010 |
| Tanagers ML Isler, PR Isler Helm, 1999 | 486* | 1999 |
