A team of scientists combined 76,957 surveys from 35 monitoring programs and blended them for an apples-to-apples comparison and ended up counting 12.6 million butterflies over the decades.

"Losing one out of every five butterflies over 20 years should be a big wake-up call to people," said Dr ... populations remain resilient in the face of ongoing environmental changes.

The Butterfly Jungle Safari is open to visitors ages 1 and up. Learn more about the butterflies at the San Diego Zoo Safari Park at sandiegozoowildlifealliance.org.

MEXICO CITY, Mexico — The number of monarch butterflies wintering in the mountains ... Experts say that monarchs face risks across North America in large part due to the reduction in milkweed ...

“Butterflies are vanishing from the face of the earth,” he added ... Roads, homes and other development are cutting up and stamping out meadows where butterflies once flew.