canberrabirds

mount roger frogmouths

To: martin butterfield <>
Subject: mount roger frogmouths
From: Tim Birch <>
Date: Sat, 17 Nov 2012 09:04:47 +1100
Hi Martin

Thanks so much - some very interesting observations you make here - i
will follow up when they fledge to see if the Mt Roger Frogmouths behave
in a similar way.

Again many thanks for your comments - all very fascinating.

Tim

On 17/11/12 7:26 AM, martin butterfield wrote:
> Tim
> 
> Some good questions.  I will try to answer them WRT the family which I have
> been following (and of course a sample of 1 is not very representative).
> 
> I have never seen them actually make their initial flight but can comment
> on where they make their roost the next day after the flight.  Last year it
> was about 30m from the nest site and this year about 70m (although I have a
> suspicion that this year  they may have flown and returned to the same
> branch as the nest for a couple of nights.  Most days throughout the year
> the adults roost within an area about 70m square: I know that they travel
> further than that as they hunt, but have no evidence how far.  Gisela
> Kaplan's book reviews some estimates of territory size but could be
> summarised as saying that there is little known.
> 
> The whole family then seems to travel around together for about 2 months
> (until the last week of December).  I have found it very difficult to find
> any of them in January suggesting they may be roosting out of my GBS site
> (or are particularly well-concealed within it).  However when I have found
> the birds in January it has only been the adults.  My interpretation of
> this sequence of events is that the parents train the chicks in how to
> survive until
> 
>    - they eject the chicks from their territory; or
>    - the chicks decide to move out.
> 
> When I come across them at night in November /December it tends to be just
> a single bird which suggests they are hunting independently.  However I
> don't generally search for them at night since they deserve a bit of
> private time!
> 
> Hope this helps.
> 
> Martin
> 
> 
> On 16 November 2012 22:17, Tim Birch <> wrote:
> 
>> I went back up to check out the frogmouth nest at Mt Roger late
>> afternoon. 2 chicks causing some discomfort for the adult sitting bird
>> who didnt seem to be able to get into any comfortable position for too
>> long due to the size of the chicks - seems they will fledge surely
>> within next 24-48 hrs.
>>
>> Not knowing too much about frogmouths when they fledge can anyone tell
>> me how far they initially fledge from the nest ? Will they remain in the
>> area close to the nest for a short period and how quickly will they then
>> disperse more widely ? For how long do the adult birds feed the fledglings?
>>
>> thanks
>>
>> Tim
>>
>>
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> 


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