As the world's climate warms, many species are being forced to move to cooler areas in order to survive. This is because their current habitats are becoming too hot or dry for them to live in. Some species are able to move quickly enough to stay ahead of the changing climate, while others are not so fortunate.

Some of the species that are currently on the move include:

* Birds: Many bird species are migrating to cooler areas in the north. For example, the American robin is now found as far north as Alaska, while the Baltimore oriole is now found as far north as Canada.

* Butterflies: Many butterfly species are also moving to cooler areas. For example, the monarch butterfly is now found as far north as Canada, while the painted lady butterfly is now found as far north as Alaska.

* Fish: Many fish species are moving to cooler waters in the ocean. For example, the Atlantic cod is now found as far north as Greenland, while the Pacific salmon is now found as far north as Alaska.

* Mammals: Many mammal species are also moving to cooler areas. For example, the polar bear is now found as far south as Hudson Bay, while the reindeer is now found as far south as Lapland.

The migration of species to cooler areas is having a number of impacts on the environment. For example, it is causing some species to compete with each other for food and habitat. It is also causing some species to become more vulnerable to predators and disease.

The migration of species to cooler areas is a sign that the climate is changing. If we do not take action to reduce greenhouse gas emissions, the climate will continue to warm and more and more species will be forced to move to cooler areas. This could have a devastating impact on the environment and on human society.