Crëyr: Gwahaniaeth rhwng fersiynau

| label = [[CrëyrAderyn glasbwn bach]]

| p225 = ArdeaIxobrychus cinereaexilis

| p18 = [[Delwedd:ArdeaIxobrychus cinerea - Pak Thaleexilis.jpg|center|80px]]

| label = [[CrëyrAderyn goliathbwn cefn rhesog]]

| p225 = ArdeaIxobrychus goliathinvolucris

| p18 = [[Delwedd:Ardea goliathArdettaInvolucrisKeulemans.jpg|center|80px]]

| label = [[CrëyrAderyn gyddfwynbwn cefnddu]]

| p225 = ArdeaIxobrychus cocoidubius

| p18 = [[Delwedd:ArdeaAustralian cocoiLittle -ApureBittern State,Sherwood Venezuela-8Nov01.jpg|center|80px]]

| label = [[CrëyrAderyn hirbigbwn du]]

| p225 = ArdeaIxobrychus sumatranaflavicollis

| p18 = [[Delwedd:ArdeaBlack sumatranaBittern -Palawan,I Philippines-8IMG 5079.jpg|center|80px]]

| label = [[CrëyrAderyn Madagasgarbwn lleiaf]]

| p225 = ArdeaIxobrychus humblotiminutus

| p18 = [[Delwedd:ArdeaIxobrychus humblotiminutus -Barcelona, Spain-8.jpg|center|80px]]

| label = [[CrëyrAderyn mawrbwn glasmelynllwyd]]

| p225 = ArdeaIxobrychus herodiascinnamomeus

| p18 = [[Delwedd:LeIxobrychus Grandcinnamomeus HeronJaunpur.jpgJPG|center|80px]]

| label = [[CrëyrAderyn mawrbwn gwynSchrenk]]

| p225 = ArdeaIxobrychus albaeurhythmus

| p18 = [[Delwedd:GreatIxobrychus Egreteurhythmus Ardeaby albaOpenCage.jpg|center|80px]]

| label = [[CrëyrAderyn nancînbwn Tsieina]]

| p225 = NycticoraxIxobrychus caledonicussinensis

| p18 = [[Delwedd:NankeenIxobrychus (Rufous)sinensis Night- HeronBueng (23333548021)Boraphet.jpg|center|80px]]

| label = [[Crëyr noscefnwyrdd|Butorides striata]]

| p225 = NycticoraxButorides nycticoraxstriata

| p18 = [[Delwedd:BlackButorides striata -crowned NightLaem HeronPak RWD7Bia.jpg|center|80px]]

| label = [[CrëyrCoraderyn nos cefnwynbwn]]

| p225 = GorsachiusIxobrychus leuconotussturmii

| p18 = [[Delwedd:White-backed Night Heron (Gorsachius leuconotus) (6001840951)BitternDwarf.jpg|center|80px]]

| label = [[Crëyr nos gwychgwyrdd]]

| p225 = GorsachiusButorides magnificusvirescens

| p18 = [[Delwedd:NycticoraxMagnificaGronvoldButorides virescens2.jpg|center|80px]]

| label = [[Crëyr nosrhesog Japancochlyd]]

| p225 = GorsachiusTigrisoma goisagilineatum

| p18 = [[Delwedd:ArdeaTigrisoma goisagi Fauna Japonicalineatum.jpg|center|80px]]

| label = [[Crëyr nosrhesog Malaysiagyddf-foel]]

| p225 = GorsachiusTigrisoma melanolophusmexicanum

| p18 = [[Delwedd:GorschkiusTigrisoma melanolothusmexicanum P13038243.jpg|center|80px]]

| label = [[Crëyr penddurhesog tywyll]]

| p225 = ArdeaTigrisoma melanocephalafasciatum

| p18 = [[Delwedd:2009Fasciated tiger heron -black Flickr -headed-heron Lip Kee.jpg|center|80px]]