Quick Take April is often prime time for spring bird migration. Migratory birds use “weather windows” to help conserve their ...
As the planet warms, scientists are seeing evidence of earlier springs and later autumns all over the world. Snow is melting sooner, plants are flowering earlier—and now, researchers find that birds ...
Every spring, migratory birds arrive in the continental United States from south and central America to breed. But precisely when they arrive each spring varies from year to year. In a NASA-led study ...
Researchers in the South want people to report Monarch butterfly sightings this winter as more butterflies seem to skip the long migration to breeding grounds in Mexico. Millions of monarch ...
Many factors can drive net migrations to and from the four major U.S. regions. From remote work enabling greater mobility, to changes in industry, cost of living, taxes, new legislation and beyond. A ...
Pictured: Richard's pipits (Anthus richardi) are migrating on an east to west axis instead of heading south towards warmer latitudes. JJ Harrison via Wikimedia Commons under CC BY 3.0 Each year birds ...