Global warming is threatening the lives of many animals in the Arctic.
The number of individuals of many animals in the Arctic has dropped by up to 25% between 1970 and 2004, according to the latest survey in the Arctic.
If in 1987 there were about 1,200 white bears living near the Hudson Bay in the Arctic, their number was only about 900 in 2004.
In the past two decades, the number of reindeer in the Arctic has reached 5.6 million.
But today their numbers have decreased by about a third. Many are concerned that the rise in temperature is one of the reasons for the decline in reindeer numbers.
The Arctic is home to many species of birds, mammals and fish. For example, more than half of the birds live near the coast and 80% of the world's sea geese breed in the Arctic and sub-Arctic regions.
However, not all species in the Arctic are badly affected by climate change. For example, the number of migrating sea geese nesting in the Arctic has nearly doubled in 34 years - from 12.5 million in 1970 to 21.4 million in 2004. The number of sea geese has increased thanks to agricultural waste. and decline in human hunting activity.
