Most butterfly caterpillars are very particular, eating only plants from one family. Monarch caterpillars ... Some lay eggs in groups, and the caterpillars hatch and feed close together for ...

Monarchs are usually seen in Michigan from late spring to early fall.

By any measure, the revival of the bald eagle stands as one of the great environmental triumphs in conservation history. In ...

For thousands of years, millions of monarch butterflies have migrated from the northern U.S. and Canada to Mexico for the winter. But exactly how they know where to go is still a mystery.

They lay their eggs on the passiflora vines and will often strip the foliage off a favorite plant in the course of the year. The monarch butterflies will be absent from the Central Texas area ...

This week on 60 Minutes, correspondent Anderson Cooper reports on the migration of the monarch butterflies, an annual spectacle during which millions of butterflies begin their trek north from ...

Every spring and fall, Oklahomans watch as the brightly patterned orange and black butterflies make a pitstop in the state during their miles-long, twice-yearly migrations. The migratory monarch ...

Donation Options Search Search Search A monarch butterfly sits on a leaf at Monarch Grove Sanctuary in Pacific Grove, Calif., on Nov. 10, 2021. Nic Coury/AP Share My childhood growing up in ...

The plight of the monarch butterfly could cost farmers a valuable tool in the fight to protect crops from weeds and pests. An effort is underway to list the monarch butterfly as threatened under ...

Scientists assess US monarch populations each winter by measuring the area they occupy in this fir grove in Mexico, and by counting butterflies in coastal California, where monarchs west of the ...

Which is why it’s so distressing to know that the monarch butterfly population has been plummeting since the 1980s. Now, the fires in January may have made a bad situation even worse.