Monarch butterflies from the western United States have arrived in Santa Cruz and other parts of the California Coast, clumping in the thousands on branches of Monterey pine, coastal redwoods and ...

Monarch butterflies from the western United States have arrived in Santa Cruz and other parts of the California coast, clumping on branches of Monterey pine, coastal redwoods and eucalyptus, where ...

Amid the eucalyptus groves at Natural Bridges State Beach in Santa Cruz, local bug enthusiast Sasha Hernandez squinted through the draping green leaves, searching for flashes of black and orange — the ...

Thanks to tiny new ultralight radio tags small enough for a fragile butterfly to carry, scientists are getting a rare, real-time look at how western monarchs move through their winter habitat. It’s ...

Amid the eucalyptus groves at Natural Bridges State Beach in Santa Cruz, local bug enthusiast Sasha Hernandez squinted through the draping green leaves, searching for flashes of black and orange — the ...