Ischnura perparva
In 3 days ~20% in a week ~40%
Ischnura perparva, the western forktail, is a species of narrow-winged damselfly in the family Coenagrionidae. It is found in North America. The IUCN conservation status of Ischnura perparva is "LC", least concern, with no immediate threat to the species' survival. The population is stable. The IUCN status was reviewed in 2017.
Ischnura perparva is most closely related to I. cervula, and belongs to a clade of damselflies that also includes I. verticalis, I. posita, I. damula, and I. demorsa. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Redwood National Park | 🇺🇸 United States |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Portland | 🇺🇸 United States | |
| 2 | Seattle | 🇺🇸 United States | |
| 3 | San Francisco | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Western Forktail sighting in Redwood National Park on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 62nd most-seen of the 101 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
June
In that month about 20% of wildlife watchers report a Western Forktail in Redwood National Park on a given day, against under 5% in September to April, the lowest months. That is one of Redwood National Park's driest months, with about 50 mm of rain against 360 mm in January.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Western Forktail sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Only Redwood National Park, in our data
Redwood National Park is the only park on Wallace's Line with enough records to rate Western Forktail sightings: about 10% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Western Forktail is recorded against all the insects logged in Redwood National Park (8 verified sightings from 2019 to 2026), 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.
