The native species has reached numbers that are contributing to drier soil and less vegetation – and may be more damaging to conservation areas than rabbits.
A UNSW study shows airway bacteria can indicate the health of dolphins and whales – a finding that could benefit endangered species like the northern right and blue whales.
The tube fishway allows fish to glide past dam walls, weirs and other river barriers, with the potential to revitalise Australia’s ailing freshwater fish stocks.
Eastern Australia's wetlands and waterbirds have partially recovered from the drought – but long-term trends remain concerning, an aerial survey by UNSW researchers has revealed.