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Monarch butterfly migration is the phenomenon, mainly across North America, where the subspecies Danaus plexippus plexippus migrates each autumn to overwintering sites on the West Coast of California or mountainous sites in Central Mexico. Other populations from around the world perform minor migrations or none at all.
The eggs weigh less than 0.5 mg (0.0077 gr) each and have raised ridges that form longitudinally from the point to apex to the base. Although each egg is 1 ⁄ 1000 the mass of the female, she may lay up to her own mass in eggs. Females lay smaller eggs as they age. Larger females lay larger eggs. [30]
The butterflies lay their eggs on the milkweed, and when caterpillars hatch, they feast on the plant’s leaves. There are more than 20 species of milkweed native to Florida, less than half of ...
Monarch Watch is a volunteer-based citizen science organization that tracks the fall migration of the monarch butterfly. [1] It is self-described as "a nonprofit education, conservation, and research program based at the University of Kansas that focuses on the monarch butterfly, its habitat, and its spectacular fall migration ."
The butterflies cling in clusters on tree branches, especially pine and eucalyptus groves where they can be somewhat sheltered from the wind and rain and wait for the temperatures to warm above 60 ...
There are several historic records about migrating butterflies. There are records dating back to 1100 about migrating butterflies (probably a Pieris species) from Bavaria to the Duchy of Saxony and from 1248 about the migration of yellow butterflies in Japan. When flying at high altitudes, spotting migrating butterflies or moths can be hard.
The charismatic monarch butterfly is migrating through the Lone Star State, as the species heads to Mexico for winter.
[54] [55] As a result of these factors, reproducing monarchs lay fewer eggs on A. tuberosa than they do on most other milkweeds. [54] [51] While the plant's colorful flowers provide nectar for many adult butterflies, A. tuberosa may therefore be less suitable for use in butterfly gardens and monarch waystations than are other milkweed species. [54]