Monarchs cluster together to stay warm. Tens of thousands of monarchs can cluster on a single tree. Although monarchs alone weigh less than a gram, tens of thousands of them weigh a lot. Oyamel trees are generally able to support the clustering butterflies, but sometimes branches break.
Conservation of overwintering habitat is very important to the survival of monarchs. The Mexican Government recognized the importance of oyamel forests to monarch butterflies and created the Monarch Butterfly Biosphere Reserve in 1986.
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A Google Earth Tour is posted on YouTube describing the migration of monarch butterflies, and the people that help them out along the way. It was produced by Atlantic Public Media in cooperation with the Encyclopedia of Life. Producers: Eduardo Garcia-Milagros and Ari Daniel Shapiro.
Monarchs only travel during the day and need to find a roost at night. Monarchs gather close together during the cool autumn evenings. Roost sites are important to the monarch migration. Many of these locations are used year after year. Often pine, fir and cedar trees are chosen for roosting. These trees have thick canopies that moderate the temperature and humidity at the roost site. In the mornings, monarchs bask in the sunlight to warm themselves.
Monarchs traveling south congregate on peninsulas. The shape of the peninsula funnels the migrating butterflies. At its tip, the monarchs find the shortest distance across open water. They congregate along the shore to wait for a gentle breeze to help them across.
The Western Monarch Milkweed Mapper project is part of a collaborative effort to map and better understand monarch butterflies and their host plants across the Western U.S. Data compiled through this project will improve our understanding of the distribution and phenology of monarchs and milkweeds, identify important breeding areas, and help us better understand monarch conservation needs.
The bright orange and black butterflies flap and glide from asters and goldenrods to coyote bush and rabbitbrush, traveling up to 100 miles per day. They are bound south, instinctively seeking the forests that offer the perfect conditions for overwintering.
But monarch butterflies and their migration are now threatened by temperature changes, drought, and other climate change impacts. A long-term decline in numbers among eastern and western populations shows how vulnerable monarchs are in North America.
As pollinators, the monarch butterfly migration across the continent provides an invaluable service, essential for many ecosystems to thrive. It is thanks to pollinators, such as butterflies, bees, and other insects, that we have many of the flowers and dietary staples that we enjoy, like squash and blueberries.
The butterflies that embark on a 3,000-mile southbound journey were born in the United States and have never been to Mexico. And yet, they are driven by environmental factors to glide south until they reach the oyamel fir forests of Mexico, mainly in Michoacn.
Adding to the mystique of thousands of butterflies funneling into the Mexican forests every fall is the fact that monarchs arrive around the same time when Da de los Muertos (Day of the Dead) is celebrated in early November.
Although the monarch is an enduring symbol among many communities, during recent decades the presence of this species at overwintering sites in Mexico has declined significantly. Populations in North America have decreased from approximately one billion in 1996 to only about 100 million in 2016.
According to Lee, the recording process took a week for the vocalist, and the experience was quite unique as Bring Me the Horizon are located in the U.K. while Lee resides in the U.S., with the pair having to guide each other over the phone vocally and deal with the time differences between the two of them.
Numbers of species. Due to their bright colors and visits to flowers, butterflies are the most familiar of insects to humans. There are about 17,500 species of butterflies in the world, and around 750 species in the United States.
Distinctive characteristics. Butterflies (and moths) are the only group of insects that have scales covering their wings, although some butterflies have reduced scales. They differ from other insects also by their ability to coil up their proboscis.
Immatures. Caterpillars are the names given to the larvae of both butterflies and moths. They are usually very distinctive, and in some cases may be identified more easily than the adults. When they are developing, their skin may be shed four or more times, with each molt often changing the coloration and appearance of the caterpillar. They eat voraciously to transform plant material into tissues that they will need for metamorphosis.
Plant associations. Butterflies are commonly associated with plants, and the relationship is sometimes complex. Immatures, with few exceptions, eat plants, and therefore may be considered harmful to the plants. However, butterflies are very important to many plants that are dependent upon flower-visiting insects for cross-pollination. Most butterfly caterpillars eat one, or sometimes several, related species of plants. Usually the choice is made by the adult female when depositing eggs. Adults usually feed on nectar from flowers of plants, although many butterflies feed instead on rotting fruit, dung, etc., especially in the tropics.
Wing colors in butterflies appear in two types, pigment and structural, frequently combined in one individual. Pigment colors are familiar in paints, dyes, and inks, and are defined as specific substances with definite chemical composition. Structural colors are instead produced in a physical manner, similar to a rainbow. Morpho butterflies are the usual example of butterflies with structural color.
Come watch our unique coral feedings every Wednesday and Friday. Butterfly Pavilion's Water's Edge Exhibit explores the incredible diversity of underwater invertebrates. Only at Butterfly Pavilion can you have direct conversations in exhibits with animal and plant experts 7 days a week. Come say hello!
Butterfly gardening appeals to both children and adults, with good reason. They are so beautiful it is hard to remember they are insects at all! Whether you live in the city and have only a balcony or you have a home with a bit of land, the following tips will not fail to attract these flying works of art.
Butterflies are cold-blooded and need the light from the sun to warm the muscles they use to fly. Not only do butterflies like the sun, the plants the they thrive on need full direct sun. Most plants need at least 8 hours of sunlight to bloom properly and provide enough nectar.
Past the point of rescuing, why'd I keep pushing my luck?
The hole I wore into your soul has got too big to overlook
One day the only butterflies left will be in our chests
As we march towards our death, breathing our last breath
I thought we had a future, but we ain't got a chance in hell
Monarch caterpillars feed exclusively on the leaves of milkweed, the only host plant for this iconic butterfly species. As such, milkweed is critical for the survival of monarchs. Without it, they cannot complete their life cycle and their populations decline.
Note: Tropical milkweed available at many retail nurseries is not native to the U.S. However it has naturalized in the Southeastern U.S. Science is discovering that its long bloom time may have some detrimental effects on monarch migration and possibly be a source to spread disease within monarch populations. If you do have tropical milkweed in your garden, it is recommended to cut the plant back in the winter months to encourage monarchs to move on to their natural overwintering sites.
When annotating larva anywhere in the world having moths as a subgroup in Lepidoptera would mean fewer pages would need to be loaded when I just wish to focus on Moths. There are more moth species, but some areas have more butterfly observations and to have a convenient way to separate them out would help me. My request has less to do with scientific taxonomy and more with handling data more efficiently on iNat.
Does it seem like the underlying aim could be helped by knowledgeable volunteer(s) going through and pushing the butterflies seen through this search into Papilionoidea? Or is there any extra twist to butterfly vs moth?
iNat also implements Reptiles, which are paraphyletic with respect to Birds, and Lobe-finned Fishes, which are paraphyletic with respect to Tetrapods, and Lizards, which are paraphyletic with respect to snakes, etc. The rule against paraphyletic groups is clearly somewhat flexible.
You might also limit searches to one family at a time which would make for an organized way to sort through observations: start at the micros, skip the butterflies and proceed to the macro moths each by family or even tribe.
In addition to repopulating the continent, the long-distance migration serves to keep the monarch population genetically healthy and relatively disease-free. However, the migration is now threatened by environmental factors such as global warming, habitat loss at the wintering sites, the loss of milkweed plants along the migration route, and an increase in naturalized tropical milkweeds in mild climates. The result could be the replacement of large migratory populations with smaller, less healthy remnant populations that stay in one location and breed year-round.
Milkweeds grow most abundantly in disturbed habitats such as agricultural landscapes and along roadsides, but they are in decline for several reasons. Urban and suburban development is eliminating monarch habitat by supplanting agricultural landscapes where an estimated 90% of milkweeds occur. The increasing use of herbicides in agriculture is also leading to milkweed loss. The widespread use of genetically modified crops, such as herbicide-resistant corn and soybeans, exacerbates the problem because it enables growers to indiscriminately spray their fields with herbicides rather than tilling to control weeds. The organization Monarch Watch estimates that the adoption of genetically modified crops has led to the loss of more than 80 million acres of monarch habitat. Along roadsides, the ubiquitous use of herbicides and frequent mowing are also killing milkweeds and hence eliminating vital monarch habitat. 2351a5e196
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