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
American Flamingo
Phoenicopterus ruber
American Flamingo
Phoenicopterus ruber
フラミンゴのなかでは最も大型です。足踏みすることで水中の泥をかき混ぜ、浮かび上がった小さな生き物を水ごと口に入れ、くちばしのふちについたくし状のフィルターでこしとって食べます。繁殖期になると泥を盛り上げて巣をつくり、白い卵を１個産みます。ふ化したヒナは、親鳥がのどの奥から出す赤い液体（フラミンゴミルク）を飲んで育ちます。
| classification | 鳥綱 フラミンゴ目 フラミンゴ科 |
|---|---|
| English name | American Flamingo |
| distribution | 中央アメリカ～南アフリカ北部のカリブ海沿岸、ガラパゴス諸島 |
| Residence | 塩水湖 |
| Size |
全長：120〜145cm
体重：2100〜4100g 翼開長：140〜146cm、メスの方がオスより20％ほど小さい |
| food | 小さな甲殻類や藻類、水生プランクトン、湿地の草や種、土など |
| Red List |
IUCN: LC (Least Concern)
|
どんな色？
首や体の羽は赤っぽい色で、冬から春にかけてはとくに色がこくなります。つばさを広げると、黒い羽があらわれます。この赤と黒のあざやかな色で、仲間に自分をアピールします。
食べかたを見よう！
水の中の餌を食べているとき、くちばしの横から水が出ていませんか？くちばしのふちにクシの歯のようなギザギザがあり、そこで細かい餌を水からこし取っているのです。