migration

The Scientist spoke with the UK’s chief veterinary officer, Christine Middlemiss, about this winter’s high bird flu prevalence, the effects of the disease, and efforts to combat it.

Scientists find human DNA preserved in lice cement from the heads of South American mummies.

The Scientist interviews evolutionary biologist Carles Vilà about how a large genomic inversion detected in common quail affects the birds’ physical characteristics and migratory behaviors.

A new study suggests that lighter colors may help these species stay cool on their long journeys, when birds are pushing themselves to their physiological limits.

Researchers also tried placing the worms on pigeons as part of a study aiming to uncover how the tiny invertebrates ended up all around the world.

A detailed analysis of cryptochrome 4 shows that the protein is highly sensitive to magnetic fields in vitro, but some researchers dispute the authors’ assertion that the findings could help explain avian magnetoreception.

Take a break from the bench to puzzle and peruse.

The analysis adds new details to the picture of migration and mixing in a diverse country.

A new fossil discovery indicates a second primate group also traversed the Atlantic millions of years ago on a raft of vegetation.

The crania of individuals who lived in the Yucatán Peninsula during the late Pleistocene show a high degree of anatomical diversity among them, and their skull shapes differ from that of other North American populations of the time.

The decline in total occupied forest may not equate to an overall loss in butterfly numbers, but scientists are still concerned that their populations are suffering.

A museum sample of a 3,000-year-old Egyptian crop plant yields genomic information that helps researchers track the plant’s domestication and migration.

The National Weather Service’s radar in Key West captures a spectacular moment in bird migration.

Details of Homero Gómez González’s death are not yet known.

Regional differences in wealth in the UK are tied to genetic variants related to education—and migration is only widening the gap.

Glass eels form a magnetic memory of their estuaries’ currents in order to migrate.

Modern-day populations in India descend from a mixture of peoples living thousands of years ago in South and Central Asia, including the Bronze-Age Indus Valley Civilization, two studies reveal.

The birds also decrease their heart rate and chill their blood to maintain flight in hypoxic conditions.

Marine biologists identify smalleye stingrays using the white spots on their backs.