The Red Crowned Toadlet is listed in the Threatened Species Conservation
Act in schedule 2 as "vulnerable". The toadlet lives in areas of
sandstone located in and around Sydney and is "declining through multiple
minor impacts" .
Site: The Red Crowned Toadlet has been recorded on several occasions
on the Ardel site at the headwaters of Manly Dam and there is thought to
be a diminishing population in Manly Dam Reserve.
a 1995 Land and Environment Court case, Justice Pearlman accepted that "There
is no issue that the red-crowned toadlet exists upon the [Ardel] site, nor
that it is listed as an endangered species." She concluded that "there
is likely to be a serious impact upon the red-crowned toadlet" and she
refused the development consent.
a 1997 Land and Environment Court case, Justice Sheahan was "of the
view that the potential loss of toadlet habitat from the [Ardel] site is
not significant". He approved the development consent. Most of the red-crowned
toadlet habitat on the Ardel site was bulldozed in 1999 and the housing development
M. (1996) A Field Guide to Frogs of Australia. Australian Museum
- Reed New Holland Publication., Sydney.
Cogger, Hassell Pty Ltd v Warringah Council  NSWLEC 41