B. J.  Stutchbury, Martin, P. R., and Morton, E. S., ?Nesting behavior of the Slate-colored Seedeater (Sporophila shistacea) in Panama?, Ornitologia Neotropical, vol. 7, pp. 63-65, 1996.

R. C.  Dobbs, Martin, P. R., and Kuehn, M. J., ?On the nest, eggs, nestlings, and parental care of the Scaled Antpitta (Grallaria guatimalensis)?, Ornitolog{\'?a Neotropical, vol. 12, pp. 225-233, 2001.

R. C.  Dobbs, Martin, P. R., Batista, C., Montag, H., and Greeney, H. F., ?Notes on egg-laying, incubation, and nestling care in the Scaled Antpitta Grallaria guatimalensis?, Cotinga, vol. 19, pp. 65-70, 2003.

R. C.  Dobbs, Greeney, H. F., and Martin, P. R., ?The nest and nesting behavior of the Rusty-winged Barbtail (Premnornis guttuligera)?, Wilson Bulletin, vol. 115, pp. 267-373, 2004.

P. R.  Martin and Dobbs, R. C., ?Description of the nest, egg and nestling of Watkin?s Antpitta Grallaria watkinsi?, Cotinga, vol. 21, pp. 35-37, 2004.

H. F.  Greeney and Martin, P. R., ?High in the Ecuadorian Andes: the nest and eggs of the Tawny Antpitta (Grallaria quitensis)?, Ornitolog{\'?a Neotropical, vol. 16, pp. 567-571, 2005.

H. F.  Greeney, Dobbs, R. C., Martin, P. R., Haupkla, K., and Gelis, R. A., ?Nesting and foraging ecology of the Rufous-crowned Tody-Flycatcher (Poecilotriccus ruficeps) in eastern Ecuador?, Ornitolog{\'?a Neotropical, vol. 16, pp. 427-432, 2005.

H. F.  Greeney, Martin, P. R., Lysinger, M., Dobbs, R. C., and Gelis, R. A., ?Notes on the breeding of Basileuterus warblers in Ecuador?, Bulletin of the British Ornithologists? Club, vol. 125, pp. 129-135, 2005.

H. F.  Greeney, Jamieson, L. H., Dobbs, R. C., Martin, P. R., and Gelis, R. A., ?Observations on the nest, eggs, and natural history of the Highland Motmot (Momotus aequatorialis) in eastern Ecuador?, Ornitolog{\'?a Neotropical, vol. 17, pp. 151-154, 2006.

H. F.  Greeney, Dingle, C., Dobbs, R. C., and Martin, P. R., ?Natural history of the Streak-necked Flycatcher Mionectes striaticollis in north-east Ecuador?, Cotinga, vol. 25, pp. 59-64, 2006.

H. F.  Greeney, Martin, P. R., Dobbs, R. C., Gelis, R. A., Bücker, A. D. L., and Montag, H., ?Nesting ecology of the Spectacled Whitestart (Myioborus melanocephalus) in Ecuador?, Ornitolog{\'?a Neotropical, vol. 19, pp. 335-344, 2008.

H. F.  Greeney, Dobbs, R. C., Martin, P. R., and Gelis, R. A., ?The breeding biology of Grallaria and Grallaricula antpittas?, Journal of Field Ornithology, vol. 79, pp. 113-129, 2008.

H. F.  Greeney, Martin, P. R., Gelis, R. A., Solano-Ugalde, A., Bonier, F., Freeman, B., and Miller, E. T., ?Notes on the breeding of high-Andean birds in northern Ecuador?, Bulletin of the British Ornithologists? Club, vol. 131, pp. 24-31, 2011.