Zoo Stock Species and the Red List
Zoo Stock Species and the Red List
Zoo Stock
This indicates that the species is included in the Second Zoo Stock Plan, which was formulated by the Tokyo Metropolitan Government in 2018. The plan sets goals for the next 10 years in three areas: "species conservation," "contribution to wildlife conservation," and "environmental education and conservation awareness." 124 animal species are included.
What is the Red List?
Based on scientific research, this is a list of wildlife classified by rank (category) indicating the degree of risk of extinction.
Livng Things Encyclopedia shows the categories (mainland and islands) assessed by the IUCN (International Union for Conservation of Nature) at the global level, the Ministry of the Environment for Japan, and the Tokyo Metropolitan Government for Tokyo.
The higher the category in each table, the higher the risk of extinction, and CR, EN, and VU are the three categories known as "endangered species." In Tokyo, species that are not at the NT (near threatened) level but are relatively rare are considered "species of concern."
|
IUCN categories |
|
|---|---|
|
EX |
extinction |
|
EW |
Extinction in the wild |
|
CR+EN |
— |
|
CR |
Serious crisis |
|
EN |
crisis |
|
VU |
emergency |
|
NT |
Near Threatened |
|
LC・○ |
Low Concern |
|
DD |
Data shortage |
|
LP |
— |
|
Japan (Ministry of the Environment) Category |
|
|---|---|
|
EX |
extinction |
|
EW |
Extinction in the wild |
|
CR+EN |
Endangered species |
|
CR |
Critically Endangered |
|
EN |
Endangered species |
|
VU |
Endangered species |
|
NT |
Near Threatened |
|
LC・○ |
— |
|
DD |
Lack of information |
|
LP |
Endangered |
|
Tokyo Category |
|
|---|---|
|
EX |
extinction |
|
EW |
Extinction in the wild |
|
CR+EN |
Endangered species |
|
CR |
Critically Endangered |
|
EN |
Endangered species |
|
VU |
Endangered species |
|
NT |
Near Threatened |
|
LC・○ |
Unranked |
|
DD |
Lack of information |
|
LP |
Endangered |
Creatures at Ueno Zoo
Creatures at Ueno Zoo
Black-necked Crane
Grus nigricollis
Black-necked Crane
Grus nigricollis
It lives in the high-altitude wetlands and lakes of Southeast Asia. To avoid predators, it chooses large bodies of water about 30cm deep to nest in. While it prefers lakes and ponds as breeding grounds, it prefers shallow marshes and grasslands for feeding. It is omnivorous, eating roots and tubers, insects, snails, shrimp, fish, frogs, small birds, rodents, etc. At first glance, it looks similar to Red-crowned Crane, but as its name suggests, it is characterized by its black tail feathers.
| classification | Aves, Grui, Gruidae |
|---|---|
| English name | Black-necked Crane |
| distribution | From Ladakh in northern India to Tibet and Qinghai Province in China |
| Residence | Alpine wetlands and lakes |
| Size |
Total length: approx. 115-125cm
Weight: Approximately 5-7 kg (adult) |
| food | Plant roots and stems, insects, snails, shrimp, fish, small birds and rodents |
| Red List |
IUCN: NT (Near Threatened)
|