What are the chances of seeing a Disterna plumifera in Sydney?
Rare
Under 5% of wildlife watchers report a Disterna plumifera sighting in Sydney on a given day, based on 16 verified sightings from GBIF citizen-science data. It is the 360th 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 Disterna plumifera in Sydney?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Disterna plumifera in Sydney on a given day, so our monthly data shows no clear season.
Is Sydney the best place to see a Disterna plumifera?
Among the best
Of the 2 cities where we can rate Disterna plumifera sightings, Sydney ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Brisbane (Australia, under 5%).
Where does the Disterna plumifera sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Disterna plumifera is recorded against all the insects logged in Sydney (16 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.