Thread: Honey Buzzards
View Single Post
Old Wednesday 25th September 2019, 06:43   #10
Farnboro John
Registered User

Join Date: Mar 2006
Location: Farnborough
Posts: 13,667
Originally Posted by rollingthunder View Post
Could be - seen loads yesterday not a feather moulting or missing on any of them.

I am not a moult expert but afaik raptors moult individual flight feathers so that they are able to feed and function whilst doing so unlike waterfowl that eclipse and warblers that have pre and post migration moult. To actively have a moult regime as suggested would almost lead to the bird having difficulty to either moult or migrate...

Laurie -
Looking again at the feathers a parasite snipping off barbs looks like a real possibility - those secondaries look defoliated, not twisted.

Farnboro John is offline  
Reply With Quote