h4. Boys outweigh girls
Researchers hope a group of bachelor platypuses living in the upper Wimmera catchment will eventually spread out, establish new territories and find female companions to consolidate a regional population. A study team, monitoring a fragile platypus population in the MacKenzie River, this week captured two ‘new’ male individuals. The find took the ‘counted’ population in the three-year study area to four males and one female.
Wimmera Catchment Management Authority monitoring officer Mark Toomey said the imbalance between males and females in the study area were unlikely to continue. “Males are territorial and tend to move around to find their own patch. The hope is that conditions have improved enough to support their spread across the district,” he said.
Wimmera CMA is contracting the Centre for Environmental Stress and Adaptation Research to run the trapping survey. CESAR researchers captured three platypuses, including an individual they had identified … Read the rest