During this animal long life , it has discovered that reindeer cannot fly and also go well with bear ? what animal is this ?

The correct answer to this open question is the following.

With the above-mentioned description, we can assume that the animal is a polar bear.

Polar bears inhabit the Arctic. It is a beautiful bear species that live in extremely cold and icy places. That is why they have the white characteristic fur to protect them from extremely low temperatures. They are expert hunters that can hunt on land or better in the sea. They like to eat seals and other fishes. However, hunters have killed many polar bears and with the climate change issue, these bears are in danger.

sorry, but you do not have posted the diagram.