| Title | Published | Author(s) | Journal | Size |
| Parrot behavior at a Peruvian clay lick | 2011 | Donald J. Brightsmith and Ethel M. Villalobos | The Wilson Journal of Ornithology 123(3): 595-602 | 172.82 KB |
| Parrot claylick distribution in South America: do patterns of ‘‘where’’ help answer the question ‘‘why’’? | 2010 | Alan T. K. Lee, Sunil Kumar, Donald J. Brightsmith and Stuart J. Marsden | Ecography (33): 503-513 | 259.95 KB |
| Parrots take it with a grain of salt: Available sodium content may drive collpa (clay lick) selection in Southeastern Peru | 2009 | Powell, L.L., Powell, T.U., Powell, G., and Brightsmith, D.J. | Biotropica 41(3): 279-282 | 338.79 KB |
| Parrots take it with a grain of salt: Available sodium content may drive collpa (clay lick) selection in Southeastern Peru | 2008 | Brightsmith, D.J., Taylor, J., and Phillips, T.D. | Biotropica 40(6): 766-774 | 295.71 KB |
| Avian geophagy and soil characteristics in Southeastern Peru | 2004 | Brightsmith, D.J. and Aramburu, R. | Biotropica 36(4): 534-543 | 128.47 KB |
| Effects of weather on parrot geophagy in Tambopata, Peru | 2004 | Donald J. Brightsmith | Wilson Bulletin 116(2): 134-145 | 75.84 KB |
