A.  Loset, ?The importance of bare ground for terrestrially foraging insectivorous farmland birds: a case study of the endangered Hoopoes?, Diplomarbeit , 2007.

A.  Damon and Salas-Roblero, P., ?A survey of pollination in remnant orchid populations in Soconusco, Chiapas, Mexico?, Tropical Ecology, vol. 48, no. 1, 2007.

J. E. N. N. I. F. E. R. A.  HANCOCK, STEVENS, N. A. N. C. Y. J., and BIKNEVICIUS, A. U. D. R. O. N. E. R., ?Whole-body mechanics and kinematics of terrestrial locomotion in the Elegant-crested Tinamou Eudromia elegans?, Ibis, vol. 149, no. 3, pp. 605 - 614, 2007.

A. L. E. J. A. N. D. R. O. D. E. L. M. A. Z. O.  CANCINO and DAMON, A. N. N. E., ?Fragrance analysis of euglossine bee pollinated orchids from Soconusco, south-east Mexico?, Plant Species Biology, vol. 22, no. 2, pp. 129 - 134, 2007.