Interesting Geoff. Sounds very similar.
Once in the desert near Well 35 I was “attacked” by a group of over fifty 
Variegated FWrens all in a big 2 m ball like group, about  3m away, two males, 
the whole group “screaming” at me to go away, backing off only as much as I 
advanced , but kept calling until I left their territory about 10 - 15 min 
later.  Initially I really thought that they would physically attack me. This 
would have been in about August/September. No visible nests, open shrub land. 
No open water within km .The only sighting of wrens during a 2 to 3hr walk.
Sent from my iPhone
> On 24 Aug 2021, at 8:40 pm, Geoff Shannon <> wrote:
> 
> Here in NW Tasmania I have several times come across large groups (mid teens 
> to about 50)only to find they go back to usual family groups. These large 
> groups occur in winter but do not appear to be stable big flocks. Not sure 
> what this means. Not just in outer suberbs but also in country, but not 
> everywhere. Over ten years on 2 hectares whre there were upto 7 groups never 
> saw amalgamation of groups. So cannot explain.
>       Interesting to hear same happening elsewhere.
>       Thanks for your comments Geoff Shannon . NW ( now northern) Tasmania 
> 
>> On 24 Aug 2021, at 13:46, Michael Hunter <> wrote:
>> 
>> Hi all.
>> 
>> Here in Mulgoa Valley we have had an irruption of Superb Fairy Wrens over 
>> the last few weeks, Almost all “brown birds”, one male in eclipse plumage, 
>> one in full breeding garb.
>> I watched two  brown birds in what looked like mortal combat, the victim 
>> spread eagled
>> under the attacker who would not let go. Three other bbs flew to the rescue, 
>> jumped on the attacker then all flew off.
>> They are very engaging little birds, popping in and out of our pot plant 
>> collection, coming up to our feet if we sit still enough.
>> Almost overnight their numbers dropped from maybe thirty around the house 
>> for over a week to five or six, including an eclipse make and two young dark 
>> tailed males.  Where did they go?
>> 
>>       Best
>> 
>>          Michael
>> 
>> Sent from my iPhone
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