What are the chances of seeing a Blinded Sphinx in Portland?
Rare
Under 5% of wildlife watchers report a Blinded Sphinx sighting in Portland on a given day, based on 22 verified sightings from GBIF citizen-science data. It is the 209th 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.
When is the best time to see a Blinded Sphinx in Portland?
June and July
In those months about 10% of wildlife watchers report a Blinded Sphinx in Portland on a given day, against under 5% in August to May, the lowest months. Those are among Portland's driest months, with about 35 mm of rain a month against 250 mm in December.
What time of day is best to see a Blinded Sphinx?
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Blinded Sphinx sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Is Portland the best place to see a Blinded Sphinx?
4th of 12
Of the 12 cities where we can rate Blinded Sphinx sightings, Portland ranks 4th at under 5%. The best odds are in Denver (United States, about 10%), Boston (United States, under 5%) and Montreal (Canada, under 5%).
Which relatives of the Blinded Sphinx live in Portland?
Same family: Sphingidae
The closest relatives of the Blinded Sphinx that you can see in Portland (family Sphingidae, Sphinx Moths) are White-Lined Sphinx (about 10%) and One-Eyed Sphinx (about 10%), with each one's daily chance of a sighting.
Where does the Blinded Sphinx sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Blinded Sphinx is recorded against all the insects logged in Portland (22 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.