Oddi wrth Wicipedia, y gwyddoniadur rhydd.
	    
	    	    	    
	    
Gall y ffeil hon gael ei defnyddio gan nifer o brosiectau eraill.
[edit] Description
| Description | Tachybaptus ruficollis world map distribution | 
| Source | Inspired from[1] digited by Groms after del Hoyo et al. 1991-2000 WWW.Hbw.com Copyrights BfN www.Groms.com, Blank map: Image:Continents.svg Yellow: Breeding; Green: all year round, orange:feeding, wintering | 
| Date |  | 
| Author | Kimdime69 | 
| Permission | see below | 
[edit] Licensing
| I, the author of this work, hereby publish it under the following licenses:
You may select the license of your choice. | 
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