Same Species, Different Clocks: Migration That Shapes Reproductive Timing in Birds
A Dark-eyed Junco (Junco hyemalis oreganus) in the fresh light of spring. While this species isn’t featured in the study, it serves as a reminder of how migration and seasonal timing weave together in the lives of birds across latitudes. © Ilya Povalyaev

Same Species, Different Clocks: Migration That Shapes Reproductive Timing in Birds

Why do some birds get ready to breed while others are still preparing to migrate—despite living in the same place? The answer lies in how they sense time.


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North America’s Bird Declines Reveal a Global Conservation Blind Spot
Eastern Meadowlark — a defining voice of North American grasslands, now in steep decline. Its disappearance reflects the wider crisis of common birds. © Shelley Rutkin

North America’s Bird Declines Reveal a Global Conservation Blind Spot

Common species are the backbone of ecosystems, yet new research shows they are declining at a scale that reshapes the conservation challenge. If familiar birds disappear, the loss will be both ecological and cultural — and it may already be happening faster than we think.


Gyorgy Szimuly

Gyorgy Szimuly