Migratory species icon
Migratory Species

We all know about birds that migrate. Many other species migrate as well, including some fishes and butterflies. Read stories here about animals that migrate, either seasonally or as part of a larger shift in response to climate change climate change
Climate change includes both global warming driven by human-induced emissions of greenhouse gases and the resulting large-scale shifts in weather patterns. Though there have been previous periods of climatic change, since the mid-20th century humans have had an unprecedented impact on Earth's climate system and caused change on a global scale.

Learn more about climate change
or other forces.