canberrabirds

Eye of the Grebe

To: <>
Subject: Eye of the Grebe
From: "Geoffrey Dabb" <>
Date: Thu, 13 Apr 2006 08:20:51 +1000

With 190 Hoary-headed Grebes available, Marnix has an enviable opportunity to engage in a little sexual differentiation.  According to HANZAB the female, apart from a shorter bill, may have a somewhat different eye.  In males the ‘outer iridal ring’ is golden-yellow rather than ivory, and the iris generally may be ‘yellower’, although this, as they say, ‘needs investigation’.

 

 

   

 


From: [
Sent: Wednesday, April 12, 2006 2:44 PM
To:
Subject: [canberrabirds] Freckled Duck, Little Eagle

 


Today at Fyshwick SP a single Freckled Duck and a Little Eagle.
Waterbird totals across all 7 ponds:

Freckled Duck (1)
Blue-billed Duck (11-14 including >9 males)
Australasian Shoveler (~100)
Pink-eared Duck (~60)
Hardhead (~100)
Black Duck (12)
Grey Teal (~110)
Chestnut Teal (~24)
Black Swan (2)
Coot (~90)
Swamphen (>6)
Moorhen (>13)
Australasian Grebe (10)
Hoary-headed Grebe (~190)

Cheers
Marnix

 

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