I have just returned from 2 weeks birding in the northern part of the
Northern Territory.
Whilst visiting the Territory Wildlife Park at Berry Springs, I was
surprised to see two pairs of Grey Butcherbird that were of the Kimberly
form. The birds first appeared to be just black and white and were very
large birds.
I had seen the northern form of the bird the previous day at Fogg Dam and
the Berry Springs birds were definitely larger and had far more white on
their backs. On close inspection of a second pair of birds in the Park,
the grey markings on the back was certainly overshadowed by the white.
Is this unusual for this area? Any comments would be appreciated.
Max O'Sullivan
P.S. Large numbers of Pied Imperial Pigeon were also present in the park
and many other birds were seen in Darwin at the beginning of July. I was
assured by the Park staff that these birds are there all year - one
suggestion offered was that possibly this was yet another effect of global
warming!!
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