Definitely some interesting points. I have seen both species of
Cuckoo-Shrikes together in many parts of Australia, I would have to check my
notes to see if the Kimberley was one of those places. My experience with
Northern Rosella mimicked yours, I suspect they are reliant on quite
specific habitat structure as I saw them regularly where they did occur, but
only found them in a very few places. I would think the Budgie could well
have been wild - we had wild Budgies within 70km of Broome when I worked
On Mon, Aug 24, 2009 at 12:36 PM, Gary Wright
> as I mentioned before I have just spend 3 months bushwalking in Kimberley
> and I noticed the following "pairs" of birds didn't overlap.
> Pied butcherbird and silver backed form of grey
> black faced cuckoo shrike and little cuckoo shrike
> striated pardalote and red browed pardalote.
> I know that evolutionary theory states that every animal has its own
> environmental niche but I did expect these to be dividing up the habitat
> some way rather than being absent when the other one was present. In fact,
> I only saw red browed pardalote on one occassion but it was most strking
> the other species.
> The other thing that struck me was how rare the northern rosella was. In
> all that time I only saw the bird on 6 or seven occassions.
> Also saw one budgeriagar one and a half hours boat ride from Wyndham up
> hte Durack river-unexpected sighting. I guess it could be called
> sub-coastal northern australia but it was pretty close to the coast. My
> wife suggested possibly an aviary escapee but it was wild coloured
> bird-only one, was a bit unusual.
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