Some online competitions have been released recently which may be used as a learning project or part thereof. And your students could win some awesome prizes for themselves and their schools!
Remember the Wild - film competition - https://www.rememberthewild.org.au/wild-by-nature/
Birdlife Australia photo competition https://support.birdlife.org.au/emailviewonwebpage.aspx?erid=20181469&trid=47aa3dfa-db15-4751-8236-016c472eec7a
Mobile muster film competition - https://www.mobilemuster.com.au/competition/