birding-aus Re: Birding-aus Grey-crowned Babblers

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Subject: birding-aus Re: Birding-aus Grey-crowned Babblers
From: "Bob Forsyth" <>
Date: Fri, 7 Jan 2000 11:31:06 +1000
Gloria Glass asked (17.11.99) "Ok, who else has Grey-crowned Babblers in their garden?"
For the last 2 years I've had a family of GCB's visit my garden regularly, sometimes within 3 days.
I have seen them enter the grounds of the MIM flats in Railway Avenue on two occasions.
There is no shortage of GCB's in the Isa area. Not once have I not at least heard them when birdwatching.
Even on the golf -course we have had to shoo them off one of the tees!
Linda Cross asked (4.1.99) "if Babblers purloin other birds like WW Chough do"
R.K.(Sam) Carruthers reported in The Aust Bird Bander Vol. 3 No.1 Mar 1965 that on 14.6.63 Bill Horton banded 4 GCB's 4 mile S of Mount Isa and 6 GCB's were banded on 22.9.63  12 mile NNE of Mount Isa. But 6 months later Sam and Bill at the second site,caught 5 GCB's including 2 from each of the previous groups.
He also wrote "The obvious interpretation to put on these results is that the babbler groups split up into pairs in the mating season--Oct to March indicated--and form new mixed family groups in the following season. The latter retraps indicate that such parties may stay together until the following year."
I'm not sure if Sam's interpretation is complete as I was under the impression that GCB's are like the Wren families and need the remainder the of the family (helpers) to assist feed the young. I have seen several GCB's entering a breeding nest with food. Their own dormitory/roosting nests were only about 6 meters away
 I read somewhere that If the GCB family is reduced too much that sometimes the young do not get enough food to survive.
Regards...... Bob Forsyth
Mail............ PO Box 933,Mount Isa,Qld,4825
Phone....... (07) 4743-3210
Heat.......... is just a state of mind !
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