The population of monarch butterflies in the Mexican forests where they spend the winter fell to the second-lowest figure on record this season, offering a grim snapshot of the already endangered orange-and-black insects. The iconic butterflies' presence was only documented in 2.2 acres (0.9 hectares) of forest spanning a couple Mexican states where they traditionally hunker down for the winter, according to the latest annual study published on Wednesday and conducted by Mexico's protected natural areas commission and the Swiss-based World Wildlife Fund (WWF), an environmental group. In the mid-1990s, monarch butterflies could be found on around 45 acres of the same forests covered largely by pine and fir trees, along the border between Michoacan and Mexico states. FILE PHOTO: A ...
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From a distance, they appear like autumn foliage: millions of endangered monarch butterflies blanketing trees in a kaleidoscope of brown, orange and black. As the crisp mountain air warms, they flutter above dazzled visitors who have come to see an annual tradition that persists despite the environmental and human pressures threatening it. Monarch butterflies fly at the Sierra Chincua butterfly sanctuary in Angangeo, Michoacan state, Mexico. December 3, 2022 REUTERS/Raquel Cunha Every year, migratory monarchs travel up to 2,000 miles (3,000 km) from the eastern United States and Canada to spend the winter among the forests of central and western Mexico. Winter weekends bring hundreds of visitors to Sierra Chincua, an idyllic monarch sanctuary in the western state of Michoacan,...
Read MoreThe critically endangered monarch butterfly grew its presence in Mexico last year, a study showed on Tuesday, giving a glimmer of hope to researchers who track the fluttering orange and black migrants despite a decades-long population collapse. In one of planet's most epic wildlife migrations, the slow-moving monarch butterflies travel south as many as 2,800 miles (4,500 km) from spots in Canada and the United States to hunker down for the winter in warmer Mexico, where millions cover entire trees that tourists flock to see. FILE PHOTO: Monarch butterflies cling to a plant at the Monarch Grove Sanctuary in Pacific Grove, California. REUTERS/Michael Fiala Last winter, the pockets of Mexican forest where the intrepid insects end up each year saw 35% more butterflies than in 2020, a...
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