Penn,
Regarding your comments on roses, don't small birds favour spiky bushes
for the cover they provide? I've seen many small birds nest in needle
leaved Hakea bushes such as Hakea gibbosa of Hakea serecia. The leaves
are so sharp you can't touch the bush anywhere. Blackberry is also a
very popular nest site, not that I'd recommend planting it to attact
birds!! During bush regen, we try to leave dense prickly weeds stacked
off the ground near the clearance site until we can establish native
cover so the bird population doesn't suffer too much.
Eastern spinebills feed on Mountain devil (Lambertia formasa) and
Syphelia species both of which have needle sharp leaf tips. Then
there's the spiky wattles such as Acacia triptera, solanum species
(Kangaroo apples) Orange thorn (Citrobatus pauciflorus) not to mention
the various lawyer vines.
Then again, most Rose gardens are more likely to attract sparrows and
mynas. Do you have any records of birds damaged by Roses?
regards,
Chris
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