Sylvicola alternata silhouette

Silhouette: Kamil S. Jaron · PhyloPic

Sylvicola alternata

Sylvicola alternata

Daily sighting probability <5% · Rare
at New York City

In 3 days ~10%

6 Verified sightings at New York City
5 In 1 park From 2019 to 2026
March Best month
🌙 Nocturnal When it's spotted

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Great Smoky Mountains National Park 🇺🇸 United States
<5%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Baltimore 🇺🇸 United States
<5%
2 Washington 🇺🇸 United States
<5%
3 Boston 🇺🇸 United States
<5%
4 Toronto 🇨🇦 Canada
<5%
5 Montreal 🇨🇦 Canada
<5%
6 New York City 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Sylvicola alternata in New York City?

Rare

Under 5% of wildlife watchers report a Sylvicola alternata sighting in New York City on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 1492nd most-seen of the 1623 insects we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.

When is the best time to see a Sylvicola alternata in New York City?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Sylvicola alternata in New York City on a given day, so our monthly data shows no clear season.

What time of day is best to see a Sylvicola alternata?

Between 8 and 11 pm

Across all the parks we cover, that three-hour window holds the most Sylvicola alternata sightings with a recorded time, and about 9 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.

Is New York City the best place to see a Sylvicola alternata?

Among the best

Of the 6 cities where we can rate Sylvicola alternata sightings, New York City ranks 6th at under 5%, level with the leaders once rounded. The best odds are in Baltimore (United States, under 5%), Washington (United States, under 5%) and Boston (United States, under 5%).

Which relatives of the Sylvicola alternata live in New York City?

Same order: Diptera

The closest relatives of the Sylvicola alternata that you can see in New York City (order Diptera, Flies) are Eurasian Drone Fly (about 20%), Margined Calligrapher (about 10%) and Eastern Calligrapher (about 10%), with each one's daily chance of a sighting.

Where does the Sylvicola alternata sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Sylvicola alternata is recorded against all the insects logged in New York City (6 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.

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