Lourenço, P. M., Silva, A., Santos, C. D., Miranda, A. C., Granadeiro, J. P., & Palmeirim, J. M. (2008).
The energetic importance of night foraging for waders wintering in a temperate estuary. Acta oecologica:
international journal of ecology, 34(1), 122-129. doi:10.1016/j.actao.2008.04.005.