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 G'day all, 
The current trail re Koel species prompts me to
raise the following --- 
  
  
The Common Koel can be heard during our summer
months calling both day and night 
  
Hanzab ( Vol 4, p760- 773 ) states  
"social behaviour poorly known. Difficult to
observe..." 
" During breeding season, male perch high in
cover and give Coo-ee loudly for long period, both day and
night." 
  
1 
Does anyone have an opinion as to whether they
- 
- stay awake the whole time OR 
- cat-nap for short periods ? 
  
2 
Are there any other (Australian) birds that call
both day and night ? 
  
Regards Bob Forsyth, Mount Isa, NW
Qld. 
  
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