Migration

The Upper Klamath River is also part of restoration work. The salmon's return inspires biologists to continue their efforts in the upper basin.

Salmon Make a Long-Awaited Return to the Klamath River for the First Time in 112 Years, After Largest Dam Removal in U.S.

Chinook salmon spark excitement among local Klamath Tribes, who have advocated for decades to restore the flow of the river in California and Oregon

Jonathan Shapiro, a Vermont-based wilderness instructor and certified “specialist” tracker on the East Coast, during an evaluation in the California desert.

Even as A.I. Technology Races Ahead, the Prehistoric Science of Wildlife Tracking Is Making a Comeback

Humans perfected how to identify wild animals over millennia, and now biologists are rediscovering the exceptional worth of the tracks and marks left behind

One eagle fights another for a midshipman fish in a behavior called kleptoparasitism.

'Pirate Seabirds' Could Become a Pathway for Deadly Avian Flu to Spread to Australia, Study Finds

Kleptoparasitism, in which a bird harasses another to steal its food, might introduce avian flu to the continent, currently the only one without the severe H5N1 strain

American redstarts and magnolia warblers were thought to fly together merely by coincidence, but new research suggests they might be forming a social relationship.

Birds Form Surprising Relationships With Other Avian Species During Migration, Study Suggests

New research indicates that birds are not alone while migrating—and sharing space with other species may even help them on the journey

Nearly 1,000 birds died in a single night after flying into windows at McCormick Place Lakeside Center in October 2023.

Chicago Building Where Nearly 1,000 Birds Died in One Night Last Fall Installs Bird-Safe Window Film

The glass-covered lakefront convention center has long been known among wildlife advocacy groups as a site of mass casualties for migratory birds

A reconstruction of a giant armadillo in the collection of paleontology at the Museo de La Plata in Buenos Aires, Argentina

Was This Giant, Armadillo-Like Animal Butchered by Humans in Argentina 21,000 Years Ago?

The creature's bones show evidence of cutting with stone tools, adding to a series of findings that suggest humans were present in the Americas earlier than thought

Baby beluga whales and adults alike spend the summer in the Churchill River.

Watch Chatty Beluga Families Migrate With These Stunning Live Cams in Canada

Polar Bears International and Explore.org are once again capturing video footage and audio recordings of the social marine mammals as tens of thousands congregate in the Churchill River this summer

An inflatable raft appears to float through the crowd during Little Simz's performance at Glastonbury.

Banksy Takes Credit For an Inflatable Migrant Raft That Floated Across a Glastonbury Crowd

The street artist's latest stunt is thought to be a criticism of the U.K.'s immigration policies

Painted ladies are known for making long migrations over land.

These Stunning Butterflies Flew 2,600 Miles Across the Atlantic Ocean Without Stopping

Researchers combined several lines of evidence to solve the mystery of why a group of painted ladies, which do not live in South America, were found fluttering on a beach in French Guiana

Saxophonist Dexter Gordon at Jazzhus Montmartre in Copenhagen in 1964

Why the Nordic Countries Emerged as a Haven for 20th-Century African American Expatriates

An exhibition in Seattle spotlights the Black artists and performers who called Denmark, Finland, Norway and Sweden home between the 1930s and the 1980s

A horse herder in Inner Mongolia, China, in July 2019.

When Did Humans Domesticate Horses? Scientists Find Modern Lineage Has Origins 4,200 Years Ago

A new study suggests people in the Eurasian steppe bred horses around 2200 B.C.E., challenging earlier ideas about the beginnings of horse husbandry

Sue O'Connor (left) and Shimona Kealy (right) study some of the artifacts found in Timor-Leste, which offer clues that early humans took a more northern path from Southeast Asia to Australia tens of thousands of years ago.

Archaeologists Discover Clues to Ancient Migration Route That Brought Humans to Australia

New research offers evidence that humans did not inhabit the island of Timor until around 44,000 years ago, suggesting it was not part of the original migration route from Southeast Asia to Australia

A greater spotted eagle soars through the sky.

Imperiled Eagles Are Altering Their Migration Routes to Avoid the War in Ukraine

Researchers found that greater spotted eagles migrated longer distances and made fewer rest stops following Russia's invasion of Ukraine in 2022, compared to previous years

German cockroaches took advantage of human globalization to spread all over the world.

DNA Reveals How German Cockroaches Came to Dominate the World

A new paper looks at the genes of the most common cockroach species, tracing its historical journey alongside humans, from Asia to the Middle East, Europe and beyond

More than 1,000 sea lions gathered at San Francisco's Pier 39 last week, marking the largest congregation of the marine mammals at the city's Fisherman's Wharf in about 15 years.

More Than 1,000 Sea Lions Gather at San Francisco's Pier 39, the Largest Group in 15 Years

The pinnipeds came to the area to feed on anchovies and herring as they prepare for breeding season

Ruben Soto (right), a migrant from Venezuela, sits with Rosa Bello, a Honduran migrant, on top of a freight train known as “The Beast.” Ruben and Rosa met in Mexico and fell in love on their way to the United States.

See 25 Astonishing Images From the World Press Photo Contest

The winning photographs capture moving moments in the midst of tumultuous global events

A fish appears on the live stream from the Netherlands' Weerdsluis lock in Utrecht.

You Can Help Migrating Fish Traverse a Dutch Canal By Ringing This Digital 'Doorbell'

The live stream from the Netherlands, which lets viewers notify a boat lock operator when fish need to be let through, has become a popular pastime for people around the world

Indonesia's Lake Toba, formed by a volcanic eruption around 74,000 years ago. In the new study, researchers uncovered fragments of glass from the eruption at an archaeological site in northwest Ethiopia, pointing to the volcano's global impacts.

Stone Age People Survived a Supervolcano Eruption by Adapting to Dry Periods, Archaeologists Suggest

Humans living in northwest Ethiopia around 74,000 years ago switched to eating more fish following the eruption, a behavior that might have enabled migration out of Africa

A Neanderthal skull on display at the Natural History Museum, London. Many modern humans have inherited around 1 to 2 percent of their DNA from Neanderthals and their close relatives, Denisovans.

Modern Indian People Have a Wide Range of Neanderthal DNA, Study Finds

Genomes of Indian people today reveal links to a prehistoric migration and a group of Iranian farmers, as well as several new sequences from the Neanderthal genome

A view of the Korolevo archaeological site. Researchers used the decay of isotopes in rocks dug up from the site to determine the age of the stone tools.

Stone Tools Found in Ukraine May Be the Oldest Evidence of Early Humans in Europe

The 1.4-million-year-old rocks may have belonged to Homo erectus, and they shed light on migrations of human ancestors, a new study suggests

Page 1 of 10