For our new study, we reviewed the literature on the movements of marine migratory species from 1990 to 2017. We synthesised ...

Populations around the world were drastically changed at the end of the second world war, but the US saw a steep rise in ...

New maps released this week document the world’s largest land mammal migration, revealing the seasonal journeys of more than ...

In his first 100 days back in office, President Donald Trump invoked archaic immigration laws, questioned judges’ power to rule against him on immigration cases and attempted to end several legal ...

After spending the winter down south, the time has come for hummingbirds to embark on their long journey north to begin a new ...

On a map you can see a wave of peak migration move up from the southernmost United States to the far north as temperatures slowly rise over the course of the spring. BirdCast developed peak ...

The United States has spent more than ... with the inability to return to the United States.” The goal is to deter irregular migration by combining advanced targeting technology and ...

Hummingbirds are reaching the U.S.'s northernmost states as the small but mighty birds wrap up their spring migration season. Known for their impossibly fast wings and long, slender beaks ...

Florida's Lake Okeechobee is essential for water management but faces harmful algal blooms, which thrive in warm, nutrient-rich waters. Daily vertical migration enables them to survive in turbid ...

Millions of birds are flying over Mississippi every night for the next few weeks. You can help them move safely. Here's what to know, when to be ready ...

The annual migration of hummingbirds has reached Michigan ... They are uncommon visitors to the southern United States. Vagrants make rare appearances across the continent, as far north as ...