| Book References |
| Authors |
Year Published |
Book Title |
Publisher |
ISBN No. |
| Dunning, J.S. |
1982 |
South American Land Birds - A Photographic Aid to Identification (Colour Photograph) |
Harrowood Books, Pennsylvania, USA |
0 915180 21 9 |
| Multiple Authors |
2000 |
Threatened Birds of the World |
Barcelona & Cambridge, UK: Lynx Edicious and Birdlife International |
0946888396 UK 84 87334 288 Spain |
| Restall, R.L. |
1975 |
Finches and Other Seedeating Birds |
Faber & Faber, London |
0 5711 0353 7 |
| Ridgely, R.S. & Tudor, G. |
1989 |
The Birds of South America - Volume 1, The Oscine Passerines (Colour Illustration) |
Oxford University Press, UK |
0 19 857217 4 |
| Sick, H. |
1993 |
Birds of Brazil |
Princeton University Press, New Jersey, USA |
0 691 0856 9 2 |