MADISON, Wis. (AP) — The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing ...
It’s unclear what caused such a sharp drop-off in the western population in just one year, said Emma Pelton, an endangered species biologist with the Xerces Society. The monarch population is ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback