Scientists Unveil Groundbreaking Method To Track Elusive Australian Tree Kangaroos

Scientists have successfully used thermal drones to detect and track Bennett’s tree kangaroos (Dendrolagus bennettianus), one of Australia’s most enigmatic and endangered marsupial species. The breakthrough is set to transform the field of wildlife research.

Traditional research methods have been limited by the tree kangaroo’s preference for high-altitude treetop roosts and dense rainforest habitats, making ground-based surveys extremely challenging. However, a recent study conducted at the Daintree Rainforest Observatory in Cape Tribulation has successfully harnessed the power of thermal drone technology to overcome these obstacles.

Utilizing drones equipped with infrared cameras, researchers were able to detect heat signatures from above, allowing them to scan large areas and spot warm-blooded animals even when partially hidden by foliage. This non-invasive observation method not only enhances researcher safety but also proves more cost-effective than traditional methods like helicopter surveys.

The innovative approach yielded unprecedented results, with six Bennett’s tree kangaroos detected in under an hour of flight time during three drone flights conducted in morning and evening sessions. These observations included a solitary animal, a pair, and a group of three, all consistent with known home range sizes for the species.

Using the drone’s color zoom camera, scientists identified specific dietary preferences, including mile-a-minute vine (Decalobanthus peltatus) and fire vine (Tetracera daemeliana). These findings provide valuable insights into the tree kangaroo’s ecological niche and may inform conservation strategies.

Initial findings suggest that Bennett’s tree kangaroos are thriving in Cape Tribulation’s lowland rainforest, but researchers emphasize the need for further systematic surveys across different forest types and elevations. By expanding their research scope, scientists can better assess population density variations and contribute to more effective conservation efforts for this remarkable species.

The pioneering use of thermal drone technology marks a significant milestone in wildlife conservation, offering new possibilities for monitoring and protecting one of Australia’s most elusive marsupial species.