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Friday, October 26, 2018

Outing Report: Dingo Mountain & Chasely Park, near Crows Nest - 07 October 2018


Despite recent rain and the prospect of more to come about 19 members made their way to our rendezvous in the paddock at the home of Michael and Monica King, on the road to Crows Nest Falls. Here we met up with Steve Plant, member of the Progressive Community of Crows Nest, and the recently formed Crows Nest Community Solutions, a charitable company that has acquired several vacant blocks of land in the area between Bullocky’s Rest and the Crows Nest National Park in order to protect them from development, and eventually make them accessible for environmental enthusiasts.

Steve gave us a brief history of the early settlement and rural industries of the area before leading us across the creek by way of a sandstone outcrop – fortunately still above water level despite the recent rains. Steve was very considerate of those of the party who, in his words, were “less sure-footed” and found us a choice of routes up the bank onto the narrow strip of alluvial land beside the creek, which had provided the only land suitable for the original settlers to crop. To our right was a tumbled band of granite rock, with one presenting a perfect bed for a large colony of rock orchids, a few of which were still in flower.

We then made our way between broken sandstone and clumps of invasive Rhodes grass, and up through the open forest, largely ironbark, until we found several long, crude concrete troughs at ground level, remnants of the original piggery, with evidence of split-wood fencing, foundations of outbuildings, and simple farm mach-inery. As we gained height we were shown a hand-dug cutting nearly two metres deep through the rocky sand-stone ridge, through which the whey from an adjacent butter factory had been gravity fed down to the pig troughs. All of this agricultural activity had been abandoned over 60 years earlier, but it was fascinating to picture what it must have been like for those early pioneers.

Between those “less sure-footed” and those intent on bird-watching and botanical discoveries our progress up Mt Dingo was fortunately quite slow but well worth the climb to enjoy the views from the top of the cliff. Once again, we were offered a choice of routes, from a careful scramble down the cliff to a well-contoured descent back through the forest of grass trees. One of our members pointed out a small clump of tiny hooded orchids that miraculously escaped being mangled by a carelessly-placed boot.

Most of the party met at Bullocky’s Rest for a picnic lunch before driving round to Chasely Park where Steve led us through to the foot of the Pump Hole on Crows Nest Creek, where he showed us a photograph, circa 1910 judging by the fashions of two ladies standing on the ledge below the old “elephant footed” eucalypt that still keeps guard over the pool. Once again Steve pointed out a superb colony of rock orchids blanketing the cliff face, fortunately protected by being on the only part that could not be easily reached by vandals.

We were doubly blessed on this outing, by the rain that had been forecast holding off until we were all just about back home, and by having the privilege of Steve’s leadership, with his comprehensive knowledge of the area, its history, fauna and flora.

(Report by Shirley Cormack)

Bird list for Dingo Mountain and Bullocky’s Rest, Crows Nest  (Jan Veacock)


Dingo Mountain: Little Black Cormorant, Black Duck, Wood Duck, Rufous Night-heron, Kookaburra, Sacred Kingfisher [a pair flying around where the cars were parked], Peaceful Dove, Fan-tailed Cuckoo, Rainbow Lorikeet, Rufous Whistler, Grey Thrush, Grey Fantail, Willie-wagtail, Leaden Flycatcher, Black-faced Cuckoo shrike, Yellow-faced Honeyeater, Scarlet Honeyeater, Little Friarbird, Noisy Miner aka mickey [nesting], Striated Pardalote, White-throated Gerygone, Eastern Whipbird, Red-backed Wren, Superb Blue Wren, White-throated Tree-creeper, Magpie Lark, Pied Currawong, Torresian Crow. 

Bullocky’s Rest: Apostle Bird, Noisy Miner, Pale-headed Rosella, Kookaburra, Torresian Crow, Grey-crowned Babbler, King Parrot, Rainbow Lorikeet, Pheasant Coucal.
Also seen were two koalas at Dingo Mountain Road. I was not present for the last walk to the creek from the small park so I have no list for there. A huge number of cicada shells were seen and photographed on one of the trees in the small park.

Plants at Dingo Hill  (Article and photo by Trish Gardner)

Situated just east of Crows Nest, Dingo Hill preserves a large area of a unique ecosystem type which occurs only on sandstone-derived soil near Crows Nest. We were fortunate to have Steve Plant show us around, as he has a deep knowledge of the history, both natural and human, of the area. Dingo Hill is a naturalists’ paradise, with high diversity of plant species, and the resulting high wildlife diversity that you would expect in these circumstances.

The area is unusual for its large number of Eucalyptus species. One of these is the Helidon ironbark Eucalyptus taurina, a timber notable for splitting with a very straight grain. Unlike the small-leafed ironbark E.crebra, another of the three ironbarks which occur in the area, the Helidon ironbark decays if used in the ground.

However, it was widely used for above-ground structures such as the piggery whose ruins stand on the hill. A noticeable characteristic of the Eucalypt population was the lack of old trees - a common feature of natural areas close to all our towns, where timber was heavily harvested for construction and for firewood. The results are a lack of habitat hollows, and a disproportionate population of applegums (Angophora species), which don’t make good firewood.

Dingo Hill is also unusual in having so many members of Proteaceae family within a very small area. These are three species of Banksia, two Grevilleas, and one species each of Lomatia, Hakea, Persoonia, and Petrophile. Dry rainforest species were in evidence. Examples were the local tuckeroo Cupaniopsis parvifolia, the leopard ash Flindersia collina, and the canthium, Psydrax odoratum. As Steve pointed out, the ecology of the area is fire-dependant, and fires would have kept the numbers of these species low. Without fire, however, the rain-forest species would have been dominant - and this may be the long-term future of Dingo Hill, given that residential development spreads around it, and fires may be unwelcome in the future.

Of interest to all of us were nodules of resin exuding from the trunks of the grasstrees, Xanthorrhoea johnsonii. “Xanthorrhoea” means “yellow flow” (of resin), but in this species the resin flow is red. If warmed, it becomes soft, and was used by Aborigines for gluing axe heads to their handles. It could also be ground to a powder and mixed with water as a medicine. Look for samples which will be brought to the next meeting for Show and Tell.

Flying duck orchid (Caleana minor)
The find of the day was a group of small orchids. At first, we mistook them for greenhoods, as they “nodded” in a similar way, but close examination showed they were something quite different. We eventually discovered they were small flying duck orchids, Caleana minor. This was a new species record for the area. Thank you to John Dearnaley for identifying it for us. 



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