Australian Journal of Zoology Australian Journal of Zoology Society
Evolutionary, molecular and comparative zoology

Australian Journal of Zoology

Australian Journal of Zoology

Australian Journal of Zoology is an international journal covering the evolutionary, molecular and comparative zoology of Australasian fauna. Read more about the journalMore

Editor-in-Chief: Paul Cooper

 

Current Issue

Australian Journal of Zoology

Volume 65 Number 1 2017

Graphical Abstract Image

The severe impact of two fires, six years apart, on a population of honey possums (Tarsipes rostratus) was monitored over a 29-year period in the south-west of Western Australia. Full recovery to pre-fire densities and catchability was estimated to take 25.6 years after the second fire.
Photo by Don Bradshaw.

Graphical Abstract Image

We investigated the early life-history traits and described the larvae of a wild population of eel-tailed catfish, Tandanus tandanus, in an unregulated Queensland stream. Larvae remained in nests until ~16 days old, and daily otolith increments were validated. Results can assist conservation and management of endangered populations in south-eastern Australia.
Photo by Kate Burndred.

Graphical Abstract Image

Identifying species’ habitat affiliations is important for their conservation; therefore, we aimed to identify habitat affiliations for all reptiles detected during surveys. Exploratory analyses provided guidance for further research and informed habitat management for all species, but maintaining habitat heterogeneity and complexity will likely conserve the greatest number of species.
Photo by Maggie Triska.

ZO16051Limited sex bias in the fine-scale spatial genetic structure of the eastern grey kangaroo and its relationship to habitat

Linda E. Neaves, Michael W. Roberts, Catherine A. Herbert and Mark D. B. Eldridge
pp. 33-44
Graphical Abstract Image

We examined fine-scale genetic structure in eastern grey kangaroos from the Blue Mountains, New South Wales, and compared this with existing studies. Our results suggest limited differences between male and female genetic structure and that variation across studies may be related to differences in the environmental and demographic conditions at each site.
Photo by Linda E. Neaves.


Salivary secretion by parotid and mandibular glands was measured in conscious red kangaroos during saliva spreading induced by heat stress. At onset of saliva spreading, mandibular secretion rose rapidly whereas parotid secretion increased more slowly, reaching secretion rates similar to mandibular gland after 40 min of saliva spreading. Salivary ion concentrations were similar to those reported for cholinergic stimulation.

Graphical Abstract Image

Expression patterns of cytoplasmic carbonic anhydrase Na+/K+-ATPase and V-type H+-ATPase were examined in gills of freshwater crayfish, Cherax quadricarinatus, at three pH levels: 6.2, 7.2 (control) and 8.2 over 24 hours. Expression levels of all the genes were significantly increased at low pH and decreased at high pH.
Photo by Kenny Chua.

Graphical Abstract Image

The vulnerable rodent, Pseudomys novaehollandiae, exhibited a population irruption following six years of high rainfall, and a precipitous decline to extinction in drought. Abundance was positively correlated with rainfall. While impacts of rainfall decline will continue, management, including optimal burning regimes, protection of refugia and predator control, may increase resilience.
Photo by M. Lock.

Online Early

The peer-reviewed and edited version of record published online before inclusion in an issue

Graphical Abstract Image

The occurrence of high poststorm discharge in the period when juveniles are confined to nesting burrows was the best predictor of platypus reproductive failure in the unregulated upper Shoalhaven River. In contrast, a significant positive linear relationship was identified between percentage lactation and antecedent March–July flow.
Photo by the Australian Platypus Conservancy.

Graphical Abstract Image

Describing the population trends of threatened species is central to conservation. We conducted mark–recapture modelling for a population of green and golden bell frogs in two periods, 17 years apart. There was no evidence this unmanaged population was in decline. We highlight factors that may cause bias in population modelling.
Photo by Sergio Jacomy.

Published online 25 July 2017

ZO17005Do female dingo–dog hybrids breed like dingoes or dogs?

Marina S. Cursino, Lana Harriott, Benjamin L. Allen, Matthew Gentle and Luke K.-P. Leung
 

The breeding seasonality of female dingo–dog hybrids was investigated. Ovary follicular phase was characterised by growing follicles in late summer and autumn. Characteristics of uterus pregnancy were observed in winter and coincided with a peak of corpus luteum. Overall, the data show that hybrids have a single annual breeding season in winter, exhibiting the same breeding seasonality as dingoes.

Published online 25 July 2017

ZO16079Morphometric analysis of the Australian freshwater crocodile (Crocodylus johnstoni)

Glenn P. Edwards, Grahame J. Webb, S. Charlie Manolis and Alex Mazanov
 
Graphical Abstract Image

We conducted a morphometric analysis of Crocodylus johnstoni and present formulae which allow the accurate reconstruction of C. johnstoni from measurements of individual body parts. We also compared relative growth in C. johnstoni to that in other species of crocodile and discuss possible ecological correlates of observed differences.
Photo by Yusuke Fukuda.

Graphical Abstract Image

We investigated relationships between Pseudomys pilligaensis and other small mammals in terms of their population fluctuations and habitat selection during its irruption. It is suggested that Mus domesticus was possibly excluded from our sites through competition with P. pilligaensis. This study provides ecological information which can contribute to effective management planning for P. pilligaensis.
Photo by Hideyuki Tokushima.

Published online 10 July 2017

ZO17006Spatial ecology of yellow-spotted goannas adjacent to a sea turtle nesting beach

Juan Lei, David T. Booth and Ross G. Dwyer
 
Graphical Abstract Image

Yellow-spotted goannas (Varanus panoptes) are the main turtle nest predators at the Wreck Rock rookery, adjacent to Deepwater National Park in south-east Queensland. Examination of space-use patterns indicates that it is the larger male yellow-spotted goannas that are the main predators of sea turtle nests at the Wreck Rock beach-nesting aggregation.
Photo by Juan Lei.

Published online 28 June 2017

ZO17027Owl survey of the Peel–Harvey Estuary in south-western Australia

Graham R. Fulton
 

This study investigated the abundance and detectability of forest owls in south-western Australia. Boobooks occurred 23 times (48% of nights) and the masked owl once in 42 surveys. Tawny frogmouths were detected three times. These results are considered with two other investigations of forest owls in the region.

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