When pushed to the brink by ant invaders, oregano uses chemical warfare to call in butterfly reinforcements. Continue reading
WASHINGTON — The federal government on Monday pledged $3.2 million to help save the monarch butterfly, the iconic orange-and-black butterfly that can migrate thousands of miles between the U.S. and Mexico each year. In recent years, the species has experienced a 90 percent decline in population, with the lowest recorded population occurring in 2013-2014.
First, it was disappearing bees. Now, it appears that Monarch butterflies are suffering a decline. Continue reading
Monarch butterflies migrate to warmer regions each winter, but in recent years Mexico has seen far fewer Monarchs arriving. Environmental changes have eliminated the butterflies’ sources of food and shelter along the way. Independent video journalist Ross Velton reports on efforts to help Monarchs survive their journey south. Continue reading
In Oregon’s Malheur National Forest, pine butterflies experience a population explosion for two to three years every three decades. Oregon Public Broadcasting’s Oregon Field Guide series explores the snowstorm-like population surge that has stripped needles from 250,000 acres of trees. Continue reading
The California Academy of Sciences, founded in 1916, has a new home in a modern, energy-efficient building in San Francisco, aimed at raising public awareness of the natural world. Spencer Michels explores the unconventional museum amd the challenges of the move. Continue reading