LAS VEGAS— The Center for Biological Diversity and Lee Canyon reached an agreement today to allow the proposed expansion of the Lee Canyon Ski Area to move forward with significant new protections in ...

A flash of orange darted between blue broadleaf lupine, magenta paintbrush and pink-white mountain daisies before the small butterfly disappeared into the sky. "That's another California Tortoiseshell ...

Volunteers from the Cascades Butterfly Project conduct a survey at Mount Rainier National Park equipped with butterfly nets. They monitor butterfly populations and plant flowering patterns in ...

Butterfly counts and flowering times shift earlier in warmer, low-snow years. Volunteers now lead Mt. Rainier surveys after federal research funding ended. Butterflies serve as effective indicators of ...