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Identification history
Comments from moderator
Refer to comments| Insufficient or inconclusive evidence | 6 Nov 2018 | ArcherCallaway | ||
| Unidentified | 4 Nov 2018 | SilkeSma |
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Somebody told me that they saw a Galah at this tree doing the massive ring barking (I can't personally confirm this). Why do they have this behaviour?
3 comments
ArcherCallaway
wrote:
6 Nov 2018
Excerpt from trip report in the COG Gang-gang Newsletter a few years ago describes this phenomena (Page 11 of http://canberrabirds.org.au/wp-content/uploads/2012/03/G-g_2016_July_WEB.pdf)
" (referred to in HANZAB as scarring, and is worked on for up to an hour a day over many years, from the beginning of the breeding season until the start of incubation, especially by the male. It is done on the nest tree, either around the nest hollow or on the trunk, and varies in size from a very small chewed area to covering 5m of the trunk. It involves “interspersed bouts of working on scar with bill-stropping" and “eye-wiping by wiping face on scar, [which] leaves behind a dusting of fine powder from skin of periophthalmic ring". Most Galah nest trees have some scarring, and it may be a territorial display as it is much more prominent in areas of high Galah density). "
We will not be confirming this record based on this image/comment due to lack of any conclusive evidence.
" (referred to in HANZAB as scarring, and is worked on for up to an hour a day over many years, from the beginning of the breeding season until the start of incubation, especially by the male. It is done on the nest tree, either around the nest hollow or on the trunk, and varies in size from a very small chewed area to covering 5m of the trunk. It involves “interspersed bouts of working on scar with bill-stropping" and “eye-wiping by wiping face on scar, [which] leaves behind a dusting of fine powder from skin of periophthalmic ring". Most Galah nest trees have some scarring, and it may be a territorial display as it is much more prominent in areas of high Galah density). "
We will not be confirming this record based on this image/comment due to lack of any conclusive evidence.
ArcherCallaway
wrote:
7 Nov 2018
There are various other unconfirmed theories as well such as it may make it more difficult for potential predators to climb the tree.
Sighting information
- 1 - 3 Abundance
- 4 Nov 2018 11:44 AM Recorded on
- SilkeSma Recorded by
