Lyrebird

Lyrebird Numbers Up, Brush Bronze-wing Population Explodes!

Friends of Tarra-Bulga have now been using remote cameras within the park to monitor wildlife for over three years. The table below shows results adjusted for the number of days cameras have been active in the field. We currently have eight cameras that are moved around to different sites on a regular basis. As of January 2015 the cameras had spent a combined total of over 5000 days in the field and were triggered by animal movements over 10,000 times.

Feral Cat with a Sugar Glider
Feral Cat numbers have risen

The results show a number of interesting trends. For mammals most species have not varied much in the frequency of sightings over the 3 years with a few exceptions. There was a large jump in Koala sightings in 2014 most were at one site where a Koala developed a routine of passing by every couple of days. Feral Cat numbers have risen each year and Ring-tailed Possum sightings seem to have declined. (the figures for Ring-tails have been influenced heavily by one popular site).

Lyrebird
Lyrebirds captures by our cameras doubled each year.

There has been a massive jump in the numbers of birds that the cameras are detecting. The number Lyrebirds passing cameras have doubled each year. Bassian Thrush (Zoothera lunulata) sightings increased around 600% in 2014 and Brush Bronze-wing numbers skyrocketed from only 15 sightings in 2013 up to 404. Crimson Rosellas, Eastern Whipbirds, Pilotbirds and *Common Blackbirds all had a significant rise in detection. Two smaller species the White-browed Scrubwren and the Superb Fairy Wren were also ‘captured’ more often.

Brush Bronzewing
We have had massive increase in the number of Brush Bronzewings recorded.

A reason for the jump in bird numbers may be due to camera placement. One site used in 2014 was very popular for ground dwelling bird, however this does not fully explain the rise, other camera sites were used in both years and showed a big increase ground dwelling birds from 2013. Fox control efforts in recent years may also be a factor helping the birds numbers increase. Our results have picked up a small rise in Fox numbers over the last few years. As our monitoring continues, time will tell if this greater abundance of bird sightings will be maintained.

Species201220132014
Lyrebird3196181239
Bassian Thrush136135639
White-browed Scrubwren6149181
Eastern Whipbird211498
Pilotbird143593
Satin Bowerbird1452
Crimson Rosella55195
Grey Currawong51116
Olive Whistler595
Brush Bronzewing215404
Eastern Yellow Robin238
Fantail, Rufous225
Grey Shrike-Thrush236
Magpie200
Pied Currawong247
Superb Fairy-wren2345
Wedge tailted Eagle200
Brown Gerygone001
Brown Thornbill020
Common Bronzewing014
Fantail, Grey020
Kookaburra063
Raven Species013
Tawny Frogmouth002
White Throated Tree-creeper003
Fox131220229
Rabbit1263924
Common Blackbird1910125
Feral Cat163364
Human001
Swamp Wallaby513947761
Long Nosed Bandicoot19781185
Brushtail Possum176171169
Wombat138160120
Rattus Species82146152
Antechinus547359
Echidna161643
Ring-tailed Possum55820
Koala2981
Dog011
Sugar Glider031
Unidentifiable Bird103101119
Small Mammal – Unidentifiable476744
Large Mammal – Unidentifiable331629

Camera Site Greatly Exceeds Expectations

In February we placed a camera in a new site along the Grand Ridge Rd, in vegetation that was not typical old growth Mountain Ash forest, but rather sad looking regrowth scrub. As a result we didn’t have high expectations as to what fauna we’d find in this habitat. Surprisingly though it’s a very popular spot, especially with ground dwelling birds (must be lots of food) and we obtained some fantastic images. All up the camera was triggered on 165 separate occasions, see the table below for more details)

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Species Sightings  

Species

Sightings
Brush Bronzewing 36   Fox 3
Superb Lyrebird 22   Swamp Wallaby 2
White-browed Scrubwren 20   Echidna 2
Bassian Thrush 16   Koala 2
Pilotbird 13   Common Blackbird 2
Eastern Whipbird 7   Brushtail Possum 1
Superb Fairy-wren 7   Rufous Fantail 1
Wombat 4    
  • In addition there were 26 birds that triggered the camera not able to be identified from the image quality to species level.
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