**Appendix A**

**Table A1.** Densities (ea/km/hr) of bird species included in this study and their functional traits. RInsectivore = riverine insectivore.



**Table A1.** *Cont.*

Study sites: Hahoe maeul (HA), Wanggok maeul (WG), Nagan maeul (NA), Yangdong maeul (YD), and Hangae maeul (HG). \* Species were omitted for guild characterization due to the peculiarity of breeding habit or non-breeders.
