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THECA Special Projects

Three workshops for those involved in the land management field are planned for 2015 to focus on the significance, management and conservation of scarred trees and very old (veteran) trees which have wide-ranging cultural and ecological significance. Workshop details will be posted shortly.

This project linked schools, CSIRO Double Helix Club, and community groups in raising awareness of the endangered Richmond birdwing butterfly (Ornithoptera richmondia) and in planting the Birdwing vine (Pararistolochia praevenosa), the only lowland food plant for the caterpillars of the butterfly.

IMG 6356Installing a trellis for the birdwing vine

When Brisbane City Council proposed the upgrade and sealing of Gap Creek Road (linking the suburbs of Kenmore Hills and The Gap through Mt Coot-tha Forest), residents were concerned about the environmental impacts of the upgrade, and a likely increase in roadkill. As there were no data on roadkill, THECA, together with REPA (Rural Environment Planning Association Inc) set out to collect some.


In this Envirofund project, THECA planted 1000 trees along Cubberla Creek, involving local bushcare groups, community members and schools.

The Bulloak Jewel butterfly (Hypochrysops piceatus) is endangered largely due to the loss of its food plant, the Bulloak (Allocasuarina luehmannii). THECA worked with the Queensland Parks and Wildlife Service, Main Roads Department, Clifton and Warwick Shire Councils and Clifton High School to develop a recovery plan, produce a fact sheet, and protect the butterfly’s habitat.

This Natural Heritage project focused on education about flying foxes, and planting food for wildlife and in particular the needs of flying foxes, across Brisbane, Logan City and Ipswich.


THECA follows Queensland Health Covid-19 directives for all events and activities.
To check the current status of Covid-19 directives from Queensland Health,  visit: