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Podicipes fluviaiilis, Tunstall. 



Little Grebe. 

 GwYACH Leiaf. Tindroed. 



Order TUBINARES. 



Family PROGELLARIIDiE. 



Puffinus anglorum, Temm. 



Manx Shearwater. 

 GwYLAN Manaw. Pwffin Manaw. 



Oceanodroma leucorrhoa, Vieill. 

 Fork-tailed Petrel. 



GwYLAN Pedr Gynffox Fforcuog^. 



Procellaria pelagica, Linn. 



Storm Petrel. 

 Cas Gan Loxgwr, Gwylan Pedk, 



