What are the chances of seeing a Northern Pine Sphinx in Boston?
Rare
Under 5% of wildlife watchers report a Northern Pine Sphinx sighting in Boston on a given day, based on 12 verified sightings from GBIF citizen-science data. It is the 668th most-seen of the 1200 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 Northern Pine Sphinx in Boston?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Northern Pine Sphinx in Boston on a given day, so our monthly data shows no clear season.
What time of day is best to see a Northern Pine Sphinx?
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Northern Pine Sphinx sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Where else can you see a Northern Pine Sphinx?
Only Boston, in our data
Boston is the only city on Wallace's Line with enough records to rate Northern Pine Sphinx sightings: under 5% of wildlife watchers there report one on a given day.
Where does the Northern Pine Sphinx sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Northern Pine Sphinx is recorded against all the insects logged in Boston (12 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.