Question 1

What are the chances of seeing a Japanese Common Grass Yellow in Sendai?

Accepted Answer

With luck. About 10% of wildlife watchers report a Japanese Common Grass Yellow sighting in Sendai on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 63rd most-seen of the 128 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.

Question 2

When is the best time to see a Japanese Common Grass Yellow in Sendai?

Accepted Answer

May, September and November. In those months about 20% of wildlife watchers report a Japanese Common Grass Yellow in Sendai on a given day, against under 5% in June–July and December–April, the lowest months.

Question 3

What time of day is best to see a Japanese Common Grass Yellow?

Accepted Answer

Between 1 and 4 pm. Across all the parks we cover, that three-hour window holds the most Japanese Common Grass Yellow sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.

Question 4

Is Sendai the best place to see a Japanese Common Grass Yellow?

Accepted Answer

7th of 9. Of the 9 cities where we can rate Japanese Common Grass Yellow sightings, Sendai ranks 7th at about 10%. The best odds are in Nagoya (Japan, about 30%), Osaka (Japan, about 20%) and Suzhou (China, about 20%).

Question 5

Which relatives of the Japanese Common Grass Yellow live in Sendai?

Accepted Answer

Same family: Pieridae. The closest relatives of the Japanese Common Grass Yellow that you can see in Sendai (family Pieridae, Whites, Yellows, and Sulphurs) are Colias poliographus (about 20%) and Small White (about 10%), with each one's daily chance of a sighting.

Question 6

Where does the Japanese Common Grass Yellow sighting chance come from?

Accepted Answer

GBIF citizen-science records. It is estimated from how often the Japanese Common Grass Yellow is recorded against all the insects logged in Sendai (8 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.

#	Park	Country	Daily sighting probability
1	Nikko National Park	🇯🇵 Japan	~20%
2	Taroko National Park	🇹🇼 Taiwan	~10%

#	City	Country	Daily sighting probability
1	Nagoya	🇯🇵 Japan	~30%
2	Osaka	🇯🇵 Japan	~20%
3	Suzhou	🇨🇳 China	~20%
4	Tokyo	🇯🇵 Japan	~20%
5	Nanjing	🇨🇳 China	~10%
6	Fukuoka	🇯🇵 Japan	~10%
7	Sendai	🇯🇵 Japan	~10%
8	Shanghai	🇨🇳 China	~10%
9	Seoul	🇰🇷 South Korea	~10%

Japanese Common Grass Yellow

About the Japanese Common Grass Yellow

Recent sightings of Japanese Common Grass Yellow in Sendai

Global Distribution

Parks Where Found

Cities Where Found

Closest Relatives at Sendai

Colias poliographus

Small White

Small Copper

Pale Grass Blue

Tropical Fritillary

Japanese Nine-Spotted Moth

Common Fivering

White-Banded Hunter Hawkmoth

Chinese Yellow Swallowtail

Common Straight Swift

Lilac Pyralid

Sarbanissa subflava

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