Returning Explorer Puzzle/Variant 1

Puzzle
A "sportsman" who shoots things for fun decided to go out and shoot a.

Suddenly he saw a huge bear a hundred metres due east.

In a panic, in confusion, he ran due north for a hundred metres.

Then he caught hold of himself and stopped, and turned.

He saw the, which had not moved, a hundred metres due south.

Of course, he shot and killed the poor.

What colour is that ?

Solution
White.

Proof
The explorer starts a hundred metres from the North Pole.

The, being due east of the man, is also a hundred metres from the North Pole.

Running due north for a hundred metres places him exactly at the North Pole.

Every direction from the North Pole is due south.

The bear, as a consequence, must be a.