A FEMALE platypus in Lilydale, 10 years after she was first discovered, was a key highlight of the spring platypus survey of the Yarra River catchment.
The Melbourne Water Urban Platypus Program, now in its 19th year, helps determine the status of platypus populations across greater Melbourne.
The recently released findings help Melbourne water prioritise river health investment.
Waterways manager (North-east region) John Woodland said the survey results showed platypus numbers had remained stable in the rivers and creeks within the Yarra catchment.
Captures were recorded at Olinda Creek (2), Mullum Mullum Creek (5), Warburton (2), McMahons Creek (3) and Eltham (1).
Mr Woodland said the survey also highlighted the challenges in tracking the animal, and the public could help increase understanding of platypus populations by registering sightings at platypusSPOT.org.
“We’ve surveyed Lilydale for many years, and the female we captured in the latest survey had managed to elude us for 10 years,” Mr Woodland said.
“This shows how shy platypus are, but it’s also a good sign that we are managing the habitat well.
“We encourage people to register sightings at the platypus website to help build on existing knowledge.”
Mr Woodland said the positive results across Melbourne were tempered by two cases of platypus found entangled in litter.
“Fortunately, we were able to rescue the two platypus, but it is concerning to see incidents where this iconic animal is trapped in litter,” he said.
“People need to be mindful that litter washes into waterways and can undo a lot of the good work we do alongside the community and local and State Government,” he added.
Ecological research organisation Cesar conducts the program on behalf of Melbourne Water.
Cesar wildlife ecologist Josh Griffiths said platypus were vital indicators of river health.
“Platypuses are a great sign that a river is healthy, but they are also extremely vulnerable. This year, spring flows were good, and we’re hoping for another bumper year for juvenile platypus in our autumn survey,” Mr Griffiths said.
To find out more or to report a platypus sighting, visit platypusspot.org
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