Very interesting!
Thank you Anne.
Yeah - these redwings around my house are losing head feathers NOW - and
not post-breeding.
Pete Sar

On Wed, May 13, 2020, 3:01 PM <anneb.cl...@gmail.com> wrote:

> I will just offer the observation made several times while studying
> nesting redwinged blabkbirds at the Cornell ponds that no males arrived
> with bald heads but quite a few
> Showed missing patches during EARLy breeding season while disputes were
> common. At least once a fully feathered banded male had a down and out
> fight, flew off but was back trying to retake his territory the next
> day...with a bald spot.
>
> Whatever other explanations may pertain, male-male fights contribute I
> feel sure.
> Balding blue jays show up after breeding during post-juvenile and post
> breeding molts, I agree. Have seen. Not just their heads look ratty.
>
> Sent from my iPhone
>
> On May 13, 2020, at 12:20 PM, Peter Saracino <petersarac...@gmail.com>
> wrote:
>
> Thanks!
> Pete Saracino
>
> On Wed, May 13, 2020, 9:27 AM Tim Gallagher <t...@cornell.edu> wrote:
>
>> Here's a link to a piece they ran a few years ago on the Lab of
>> Ornithology website:
>> https://www.allaboutbirds.org/news/i-have-a-bald-bird-at-my-feeder-is-it-sick/
>>
>> <https://www.allaboutbirds.org/news/i-have-a-bald-bird-at-my-feeder-is-it-sick/>
>> I have a bald bird at my feeder. Is it sick? - All About Birds
>> <https://www.allaboutbirds.org/news/i-have-a-bald-bird-at-my-feeder-is-it-sick/>
>> We receive many inquiries about bald birds, especially Blue Jays and
>> Northern Cardinals. In late summer and fall, when a bird molts, it usually
>> grows and replaces its feathers gradually, but occasionally a bird loses
>> all the feathers on its head at once. This is particularly true of Blue
>> Jays, m ...
>> www.allaboutbirds.org
>>
>>
>> ------------------------------
>> *From:* bounce-124627147-10557...@list.cornell.edu <
>> bounce-124627147-10557...@list.cornell.edu> on behalf of Peter Saracino <
>> petersarac...@gmail.com>
>> *Sent:* Tuesday, May 12, 2020 4:58 PM
>> *To:* Linda Clark Benedict <lbenedic...@gmail.com>
>> *Cc:* CAYUGABIRDS-L <cayugabird...@list.cornell.edu>
>> *Subject:* Re: [cayugabirds-l] molting birds question
>>
>> Thanks for the info. Must be so m.j e as re molting non-essential
>> feathers?
>>
>> On Tue, May 12, 2020, 2:37 PM Linda Clark Benedict <lbenedic...@gmail.com>
>> wrote:
>>
>> We had a bald rose-breasted grosbeak at our feeder.
>>
>> On Mon, May 11, 2020, 3:35 PM Peter Saracino <petersarac...@gmail.com>
>> wrote:
>>
>> Hi folks.
>> Recently I have seen one "bald" redwing on a tray feeder and another that
>> was nearly bald. Now I see what appears to be an adult Oriole "losing" some
>> of the black on its head. Is it normal for these birds to molt some of
>> their non-flight feathers at this time of year?
>> Thanks for the help.
>> Pete Sar
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