Question 1

What are the chances of seeing a Japanese Common Grass Yellow in Taroko National Park?

Accepted Answer

With luck. About 10% of wildlife watchers report a Japanese Common Grass Yellow sighting in Taroko National Park on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 315th most-seen of the 447 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.

Question 2

When is the best time to see a Japanese Common Grass Yellow in Taroko National Park?

Accepted Answer

July and December. In those months about 20% of wildlife watchers report a Japanese Common Grass Yellow in Taroko National Park on a given day, against under 5% in January–June, August–September and November, 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 Taroko National Park the best place to see a Japanese Common Grass Yellow?

Accepted Answer

2nd of 2. Of the 2 parks where we can rate Japanese Common Grass Yellow sightings, Taroko National Park ranks 2nd at about 10%. The best odds are in Nikko National Park (Japan, about 20%).

Question 5

Which relatives of the Japanese Common Grass Yellow live in Taroko National Park?

Accepted Answer

Same genus: Eurema. The closest relatives of the Japanese Common Grass Yellow that you can see in Taroko National Park (genus Eurema, Grass Yellows) are One-Spot Grass Yellow (about 10%) and Three-Spotted Grass Yellow (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 Taroko National Park (6 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.

#	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 Taroko National Park

Global Distribution

Parks Where Found

Cities Where Found

Closest Relatives at Taroko National Park

One-Spot Grass Yellow

Three-Spotted Grass Yellow

Indian Cabbage White

Chocolate Albatross

Aporia moltrecti

Orange Brimstone

Great Orange Tip

Lemon Migrant

Spotted Sawtooth

Red-Based Jezebel

Delias wilemani

Cocoa Tussock Moth

Before you go