1. Alfaro M, Sandercock BK, Liguori L, Arim M (2015) The diet of upland sandpipers (Bartramia longicauda) in managed farmland in their Neotropical non-breeding grounds. Ornitol Neotrop 26:337–347
2. Amundsen PA, Gabler HM, Staldvik FJ (1996) A new approach to graphical analysis of feeding strategy from stomach contents data—modification of the Costello (1990) method. J Fish Biol 48:607–614
3. Anderson JT, Davis CA (2013) Wetland techniques. Springer, New York
4. Asmus ML (1998) A Planície Costeira e a Lagoa dos Patos. In: Seeliger U, Odebrecht C, Castello JP (eds) Os ecossistemas costeiro e marinho do extremo sul do Brasil. Ecoscientia, Rio Grande, pp 7–12
5. Barrett RT, Camphuysen K, Anker-Nilssen T et al (2007) Diet studies of seabirds: a review and recommendations. ICES J Mar Sci 64:1675–1691