Regal splendor
8 Images

Monarch butterfly

Regal splendor
Monarchs cling to sun-warmed branches in Big Sur, some having traveled 2,400 miles to reach their winter destination. (Spencer Weiner / LAT)
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Researcher Jason Scott, left, reveals the finer points of determining a monarch’s gender to volunteer John Matusik. Males have dots on their hind wings; females don’t. (Spencer Weiner / LAT)
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Closeup of a Monarch butterfly (Spencer Weiner / LAT)
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Researchers are conducting the first systematic census of Western monarch butterflies. (Spencer Weiner / LAT)
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Monarchs cling to branches in Big Sur. (Spencer Weiner / LAT)
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With global warming possibly threatening their survival, researchers are clamoring to better understand their migration. (Spencer Weiner / LAT)
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Researcher Jason Scott takes a closer look at a Monarch butterfly. (Spencer Weiner / LAT)
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Researchers use binoculars to examine the butterflies. (Spencer Weiner / LAT)
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