Gŵydd Hawaii: Gwahaniaeth rhwng fersiynau

| label = [[CorhwyadenGŵydd Magellan]]

| p225 = AnasChloephaga creccapicta

| p18 = [[Delwedd:CommonChloephaga Teal Male (8602525826)picta.jpg|center|80px]]

| label = [[Hwyaden addfainbengoch]]

| p225 = AnasAythya querquedulaferina

| p18 = [[Delwedd:AnasAythya querquedula,ferina LlobregatSandwell Delta, Barcelona 52.jpg|center|80px]]

| label = [[Hwyaden gopogbenddu]]

| p225 = Aythya fuligulamarila

| p18 = [[Delwedd:Tufted DuckScaup, Aythya fuligula Male by Dr. Rajumarila, KasambeTjörnin DSCN9795Pond, (17)Reykjavik.jpg|center|80px]]

| label = [[Hwyaden lostfainDdanheddog]]

| p225 = AnasMergus acutamerganser

| p18 = [[Delwedd:Northern.pintail.arp.500pixMergus merganser -Sandwell -England -male-8.jpg|center|80px]]

| label = [[Hwyaden lwydFrongoch]]

| p225 = AnasMergus streperaserrator

| p18 = [[Delwedd:GadwallMergus serrator -AnasNew Jersey -streperaUSA -winter-8.jpg|center|80px]]

| label = [[Hwyaden wylltFwythblu]]

| p225 = AnasSomateria platyrhynchosmollissima

| p18 = [[Delwedd:MaleSomateria mallardmollissima duck 2male..jpg|center|80px]]

| label = [[Hwyaden yr EithinGynffon-hir]]

| p225 = TadornaClangula tadornahyemalis

| p18 = [[Delwedd:Tadorna tadorna noLong-tailed-duck.JPGjpg|center|80px]]