I finally found the time to update some of the pages on the Avian Hybrids Project. Here is an overview of the most recent papers on avian hybridization.

A nearly 900 year-old drawing of a hybrid Pheasant from China (Peng et al. 2016).
Lavretsky, P., Peters, J. L., Winker, K., Bahn, V., Kulikova, I., Zhuravlev, Y. N., Wilson, R. E., Barger, C., Gurney, K. & McCracken, K. G. (2016). Becoming pure: identifying generational classes of admixed individuals within lesser and greater scaup populations. Molecular Ecology.
Jiménez, R. A. & Ornelas, J. F. (2016). Historical and current introgression in a Mesoamerican hummingbird species complex: a biogeographic perspective. PeerJ 4, e1556.
Tennyson, A., Lawrence, H., Taylot, G. & Imber, M. (2013). A hybrid gadfly petrel suggests that soft-plumaged petrels (Pterodroma mollis) had colonised the Antipodes Islands by the 1920s. Notornis60, 290-295.
Peng, M. S., Wu, F., Murphy, R. W., Yang, X. J. & Zhang, Y. P. (2016). An ancient record of an avian hybrid and the potential uses of art in ecology and conservation. Ibis 158, 444-445.
Sardell, J. M. & Uy, J. A. (2016). Hybridization following recent secondary contact results in asymmetric genotypic and phenotypic introgression between island species of Myzomela honeyeaters. Evolution 70, 257-269.
Walsh, J., Rowe, R. J., Olsen, B. J., Shriver, W. G. & Kovach, A. I. (2016a). Genotype-environment associations support a mosaic hybrid zone between two tidal marsh birds. Ecol Evol 6, 279-94.
Walsh, J., Shriver, W. G., Olsen, B. J. & Kovach, A. I. (2016b). Differential introgression and the maintenance of species boundaries in an advanced generation avian hybrid zone. BMC Evol Biol16, 65.
Wood, E. M., Barker Swarthout, S. E., Hochachka, W. M., Larkin, J. L., Rohrbaugh, R. W., Rosenberg, K. V. & Rodewald, A. D. (2016). Intermediate habitat associations by hybrids may facilitate genetic introgression in a songbird. Journal of Avian Biology.