Latest Danaus Stories
Each year, millions of monarch butterflies set off on their 3,000-mile migration. Though there are species of Monarch butterflies throughout the world, only those in North America undertake such a miraculous migration.
New research uncovers that monarch butterflies make the 2,000-mile journey to the same mountains in Mexico using the Earth's magnetic field.
Populations of monarch butterflies are projected to decline in eastern North America and a new study published today in the Journal of Animal Ecology concluded that habitat loss in North America would be to blame.
High food stress may impact wing size and coloration—both indicators of migratory success—in monarch butterflies
A new report, based on a December 2013 survey of Mexico's Monarch Butterfly Biosphere Reserve, claims that migrating monarch butterflies are in "grave danger."
US citizens love their monarch butterflies – so much so that they are apparently willing to contribute at least $4.78 billion dollars to conservation organizations working to protect the declining species, according to research published Monday in the journal Conservation Letters.
Experts are concerned that monarch butterflies, famous for their nearly 3,000 mile migration to Mexico and coastal California during the late summer/early fall months, could be drastically decreasing in numbers.
Researchers have tracked the tricky migration patterns of monarch butterflies and revealed new details about the majestic insect's life cycle in the process.
A new study, led by researchers from the University of Guelph, focused on the migratory corridor followed by majestic monarch butterflies. More specifically, the study focused on the butterflies' innate sense of direction and how they arrived at possessing this trait.
The Monarch butterfly (Danaus plexippus) is a well-known North American butterfly with easily identifiable orange and black wings. The females have darker veins on their wings, and the males have a spot in the center of each hindwing from which pheromones are released. Monarchs are especially noted for their lengthy annual migration. They make massive southward migrations from August through October. A northward migration takes place in the spring. During these migrations the females...
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.