Callibaetis ferrugineus
In 3 days ~10% in a week ~20%
Callibaetis ferrugineus is a species of small minnow mayfly in the family Baetidae. It is found in North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Portland | 🇺🇸 United States | |
| 2 | Minneapolis [Saint Paul] | 🇺🇸 United States |
No species of the same family or order lives in Portland, so these are its closest relatives here: other insects.
Rare
Under 5% of wildlife watchers report a Red Speckled Dun sighting in Portland on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 466th most-seen of the 507 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.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Red Speckled Dun in Portland on a given day, so our monthly data shows no clear season.
Yes
Of the 2 cities where we can rate Red Speckled Dun sightings, Portland has the highest daily chance: under 5%. Next come Minneapolis [Saint Paul] (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Red Speckled Dun is recorded against all the insects logged in Portland (5 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.
