Question 1

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

Accepted Answer

Possible. About 20% of wildlife watchers report a Japanese Common Grass Yellow sighting in Osaka on a given day, based on 84 verified sightings from GBIF citizen-science data. It is the 24th most-seen of the 352 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.

Question 2

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

Accepted Answer

September and October. In those months about 30% of wildlife watchers report a Japanese Common Grass Yellow in Osaka on a given day, against under 5% in January and February, 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 Osaka the best place to see a Japanese Common Grass Yellow?

Accepted Answer

2nd of 9. Of the 9 cities where we can rate Japanese Common Grass Yellow sightings, Osaka ranks 2nd at about 20%. The best odds are in Nagoya (Japan, about 30%).

Question 5

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

Accepted Answer

Same family: Pieridae. The closest relatives of the Japanese Common Grass Yellow that you can see in Osaka (family Pieridae, Whites, Yellows, and Sulphurs) are Small White (about 20%) and Colias poliographus (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 Osaka (84 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 Osaka

Global Distribution

Parks Where Found

Cities Where Found

Closest Relatives at Osaka

Small White

Colias poliographus

Chinese Yellow Swallowtail

Tropical Fritillary

Pale Grass Blue

Common Bluebottle

White-Banded Hunter Hawkmoth

Small Copper

Short-Tailed Blue

Japanese Nine-Spotted Moth

Dot-Dash Sailer

Japanese Oakblue

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