Hi Chris,
I wrote several times to this list of the one
Australian Raven that started nesting (with a partner) in the tree in my yard
this year. It had I think three inner primaries on the right
wing completely white. The pair decided to move to another tree about 100 M
away and built a new nest there. I found the adult with the white feathers
freshly dead under a power pole just over the fence from the nest tree a few
weeks later. I think they had eggs or young chicks but I could not get close to
the nest. About a month ago I took a friend up to Telstra Tower and
there found another adult Australian Raven with the same strange "defect",
two or three inner primaries on the right wing completely white. Possibly
the young bird you describe is related to the adult I saw at the Telstra Tower.
(For those not from Canberra, Telstra Tower is at the top of Black Mountain but
Kambah (where I am is about 20 km away).
Philip
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