SAN DIEGO — U.S. Fish and Wildlife Service has proposed listing monarch butterflies as a threatened species and has considered some possibly contradictory ways to protect them, Nicholas Storer ...

These caterpillars exclusively feed on milkweed, and the flowers provide nectar for the adult butterflies. Look for off-white or faintly yellow colored monarch eggs on milkweed leaves. Follow the ...

Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder as yellow-and-black striped caterpillars fold into green-and-gold chrysalises and ...

The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with ...

(AP) — The number of monarch butterflies spending the winter in the western United ... It's unclear what caused such a sharp drop-off in the western population in just one year, said Emma Pelton, an ...

SANTA CRUZ — Conservationists are concerned that western monarch butterflies may be teetering on the brink of collapse as the latest Western Monarch Count reveals a devastating decline.

The number of monarch butterflies spending the winter in the ... It's unclear what caused such a sharp drop-off in the western population in just one year, said Emma Pelton, an endangered species ...

For the past three years, more than 200,000 western monarch butterflies spent their winters along the California coast — huddling together in tall tree groves, finding respite from the wind from ...

(AP) — The number of monarch butterflies spending the winter in the ... It’s unclear what caused such a sharp drop-off in the western population in just one year, said Emma Pelton, an ...