butterfly

Every year, the monarch butterfly embarks on one of the most amazing journeys on the planet: thousands of kilometers guided by the sun, the magnetic field, and a genetic memory that science is still trying to decipher. However, this natural spectacle—as fragile as it is beautiful—is at risk. Habitat...

This winter, volunteers counted more than 335,000 Western monarch butterflies in an annual survey, a big improvement over the last few years, but still far short of historical numbers. Observers only counted 2,000 of the iconic black-and-orange butterflies in 2020, and then 250,000 in 2021. Rebeca Quinonez-Pinon, senior manager of...