Thick-billed grasswrens are small in size with cocked tails. The species is characterised by cryptic plumage patterns with body colouration generally mid to pale brown above, paler below, with a moderately streaked appearance above, moderately to barely streaked below; females have chestnut flanks.
Thick-billed Grasswren, Grey Range Thick-billed Grasswren, Thick-billed Grasswren (north-west NSW), Thick-billed Grasswren (eastern) |
Status: Critically Endangered on the EPBC Act list
Government evidence of impact of climate change:
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Australian Government, Conservation Advice, Amytornis modestus
The species has been adversely affected by wildfires in the past (Brooker 1988); however the potential impact on thick billed grasswrens from increased fire frequency or intensity is not known.