132 



AUSTRALIAN BIRD MAPS 



MAP 63 



Relationships and Migration. 



Bewick's white swan with colour pattern opposite 



to that of the black swan of Tasmania. 

 Nesting ground of several species of birds which 



migrate to Tasmania. 

 Tundra and pine forest boundary. 

 Most northerly nesting ground of Australian 



Swift (Micropus). 

 Nesting ground of Australian Snipe (Gallinago 



australis). 

 Meeting ground of Australian and Palaearctic 



forms (Megapode — Loxia). 

 Wallace's line dividing Australian and Asiatic 



birds. 

 Certain birds migrate from here in winter. 

 Isolated genus of coot (Morticr's waterfowl). 



