A special Mexican police unit has raided seven sawmills near the monarch butterfly's mountain sanctuary in a bid to prevent illegal logging threatening the insect's winter migration, officials said Tuesday.
How migration boosts the size of monarch butterflies?
Some 200 intellectuals, scientists and artists from around the world urged the leaders of Mexico, the United States and Canada on Wednesday to save North America's endangered migratory Monarch butterfly.
In the face of scientific dogma that faults the population decline of monarch butterflies on a lack of milkweed, herbicides and genetically modified crops, a new Cornell University study casts wider blame: sparse autumnal ...
Bees aren't the only pollinators suffering from a massive North American die-off. Butterflies and moths, those flying flowers of the insect world, are disappearing too.
Each fall, monarch butterflies across Canada and the United States turn their orange, black and white-mottled wings toward the Rio Grande and migrate over 2,000 miles to the relative warmth of central Mexico.
Monarch butterflies have made a big comeback in their wintering grounds in Mexico, after suffering serious declines, experts said Friday.
An international team of researchers that includes Barrie Frost is hoping to unravel the mystery of how bogong moths navigate during their annual migration to and from caves in the Snowy Mountains of southeastern Australia. ...
Studies found that illegal loggers clear-cut at least 24 acres (10 hectares) in the monarch butterflies' wintering grounds in central Mexico this year, a Mexican environmentalist said Friday.
The number of monarch butterflies reaching their wintering grounds in central Mexico this year may be three to four times higher than the previous season, authorities said Thursday.