The experiment began in 2017, when Sáenz-Romero and his team gathered seeds from oyamel fir trees in the Monarch Butterfly Biosphere Reserve at various altitudes. For two years, the plants grew ...

Some suggest monarch butterfly proponents could start “seed bombing” Michigan with milkweed, if they haven’t already. There’s good reason that milkweed fell out of favor. The sap inside ...

Monarch butterfly numbers are dwindling and have been ... An overwhelming response led to the distribution of 780,000 milkweed seed packets in 2023, an effort that sought to restore landscapes ...

In 2017, Sáenz-Romero and colleagues gathered seeds from cones from eight stands of sacred fir in the Monarch Butterfly Biosphere Reserve (MBBR) in Mexico, at altitudes between 3,100 and 3,500 ...

Dramatic recent declines in the size of monarch butterfly ( Danaus plexippus ) roosts during fall migration. Proceedings of the National Academy of Sciences , 2024; 121 (43) DOI: 10.1073/pnas ...

It doesn’t happen.” His team collected oyamel fir seeds from elevations between 3,100 meters and 3,500 meters inside the Monarch Butterfly Biosphere Reserve in Michoacán state and grew them ...

Part of the butterflies’ remaining habitat — the fir trees in the Monarch Butterfly Biosphere Reserve in Michoacán — is slowly shifting upwards as the climate warms. But the firs will ...

More information: Andrew K. Davis et al, Dramatic recent declines in the size of monarch butterfly ( Danaus plexippus ) roosts during fall migration, Proceedings of the National Academy of ...

“The AIM Team works with mission-sensitive species like the monarch butterfly that, if listed under the Endangered Species Act, would affect military mission readiness in the training areas ...

Where Mexico City and Explora Monarch Tour (Teotihuacan, Sierra Chincua and El Rosario monarch butterfly sanctuaries, Angangueo, Valle de Bravo, Toluca) ...