THE BIRDS OF AUSTRALIA. 



327 



leaves it when some untoward atmospheric or climatic 

 influence compels it to seek a refuge and food elsewhere. 



Family — Plataleidce. 



Genus — CorpJdbis. C. spinicollis. Straw-necked Ibis. 



THE DUCKS. 



This group is very abundant in all the Australian 

 colonies, where, among other members of the family 

 AnatidcB it is represented by the following genera and 

 species : — 



Family — A na tides. 

 Genus — 

 1. Anseranas. A. vielanoleuca. 



2. Cereopsis. 



3. Bernictda. 



4. Cygnus. 



5. Tadorna. 



6. Anas. 



C. novm hollandm. 



B. j lib at a. 



C. atratus. 



T. tadornoides. 



T. variegata. 

 A. superciliosa. 

 A. castanea. 



A . gibbcn'froHS. 



7. Bizinra. B. lobata. 



8. Fidigiila. F. fiovca selandioi. 



0. Hymenolmnius. H. malachorhynchus. 



Black and White 



Goose. 

 Cereopsis Goose. 

 Maned Goose. 



Black Swan. 



Australian Shel- 

 drake. 



Variegated Shel- 

 drake. 



Australian Wild 

 Duck. 



Chestnut-breasted 

 Duck. 



Slender Duck. 



Musk Duck. 



Blue Duck. 



Striped Duck. 



