What are the chances of seeing a Halone coryphoea in Sydney?
Rare
Under 5% of wildlife watchers report a Halone coryphoea sighting in Sydney on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 558th most-seen of the 742 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
When is the best time to see a Halone coryphoea in Sydney?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Halone coryphoea in Sydney on a given day, so our monthly data shows no clear season.
Where else can you see a Halone coryphoea?
Only Sydney, in our data
Sydney is the only city on Wallace's Line with enough records to rate Halone coryphoea sightings: under 5% of wildlife watchers there report one on a given day.
Where does the Halone coryphoea sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Halone coryphoea is recorded against all the insects logged in Sydney (7 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.