Area monitored: 28% of the 2000 ha You Yangs Regional Park
Koala sightings: 1294
Number of research days: 313
Average koalas seen per day: 4.13
High months: December avg 5.77 koalas seen per day
Low months: September avg 2.84 koalas seen per day
Days with only 1 koala sighted: 11 (more likely in spring).
Highest number of koalas sighted on one day: 10 on 14 November 2018
Number of koalas in total research area (Area 1 + Area 2) = 43 individuals (same as 43 in 2017).
As we research in 28% of the Park, an estimate of the koala population of the You Yangs can be reached. The minimum koala number is 43 and the maximum is 153 koalas. As the area we monitor is the best habitat in the Park for koalas, we consider 153 very unlikely. 98 koalas is a more likely total estimate for the entire park.
Koalas joeys born in 2018: 5
Birth rate: 0.12
Fecundity: 0.28
Koalas (known) deceased in 2018: 3 Note: this is a minimum figure. Most koala deaths are not found.
Death rate: 0.07
More details here: https://www.echidnawalkabout.com.au/you-yangs-koala-research-report-2018/