The Southland is experiencing a rare sighting this week: About 1 billion butterflies swarming the skies during their migration from Mexico to the Pacific Northwest.
The Monarch butterfly, scientifically known as Danaus Plexippus, is likely the most well-known butterfly in North America. The Monarch butterfly habitats from southern Canada, throughout the United States and to northern Mexico. These butterflies are known for having the most extensive insect migration in North America and can travel up to 4,000 km (2,500 m) […]
The answer is not what you may think. The Davis Enterprise has an article by Art Shapiro, a top California Butterfly expert, on the plight of Monarch and other butterflies in California. He finds that most species are experiencing significant population declines. He also reports that the cause of the declines are not understood. Although it […]
Wildlife populations declined by an average of 60% over the last four decades
The San Francisco Chronicle reports In 1981 the Xerces Society, a nonprofit environmental organization that focuses on invertebrate conservation, counted more than 1 million western monarchs wintering in California. The group’s most recent count, over Thanksgiving weekend, recorded less than 30,000 butterflies — an 86-percent decline since 2017 alone. Researchers with the group called the number “disturbingly […]
When monarch butterflies wing their way south to central Mexico each fall, they use the sun to ensure that they stay on course. But how they head in the right direction on cloudy days has been a mystery—until now. It turns out they use Earth’s magnetic field as a kind of backup navigational system. It’s […]