* [[Pacifika brovanaso]]: brilverda kun hela sablokolora bordo<ref name="Waterfowl"/>.
* [[Platbeka anaso]]: brile purpur-blua kun blankaj bordoj<ref name="America">{{cite book|author=Dunn, Jon L. and Alderfer, Jonathan|year=2006|title=National Geographic Guide to the Birds of North America|isbn=1426200722|publisher=National Geographic Society}}</ref>.
* [[Yellow-billedFlavbeka Duckanaso]]: Iridescentbrile greenverda oraŭ blueblua, borderedborde whiteblanka<ref name="Kenya">{{cite book|author=Zimmerman, Dale A., Turner, Donald A., and Pearson, David J.|coauthor= IllustratedIlustracioj byde Zimmerman, Dale A., Willis, Ian andkaj Pratt, H. Douglas|year=1999|title=Birds of Kenya and Northern Tanzania|isbn=0691010226|publisher=Princeton University Press}}</ref>.