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Monarch Butterfly and Manatee Populations Rising

March 1, 2016 By Jack M. Robinson Leave a Comment

"monarch butterflies endangered"

Monarch butterflies are on the rise but still endangered.

The list of endangered animal species is very long, and it seems like every day, another new species is put on the list. However, there are also animals which manage to have a good comeback and may be cut from the infamous list.

Recently, the U.S. Fish and Wildlife Service officially announced that the monarch butterfly population has increased by 255 percent after being protected in a special reserve in Mexico. Another report also claims that the manatee population in Florida is also on the rise for the second year in a row. This is why manatees are no longer on the endangered species list but on the threatened one.

When it comes to monarch butterflies, their situation has improved compared to last year when they populated only a 2.8-acre area in the reserve especially created for them. This year, they already occupy about 10 acres of the reserve which is a great improvement.

Seeing the monarch butterflies are truly endangered, authorities started planting milkweed last year. Milkweed is used by monarch butterflies for both food and shelter. Moreover, authorities asked homeowners to cut down on the use of insecticides to keep the risk for the butterflies to a minimum.

Although the population has seen an increase in numbers, it’s still a long way to go before they could reach their “usual” numbers. Back in the ‘90s, monarch butterflies were at their highest numbers. Since then, the population decreased by 90 percent. The main reason was the loss of habitat.

The habitat of monarch butterflies has been destroyed due to weather conditions and climate change as well because of heavy use of pesticides. Therefore, it is advised that farmers find more natural ways of protecting their crops, without harming the environment and insects or animals nearby.

Plus, as climate change is also an issue, researchers will be keeping an eye on changes happening to environments, which could be blamed on global warming. If CO2 emissions will indeed be cut as it was planned and promised in the climate talks happening in Paris, vegetation should recover, which means the natural habitat of monarch butterflies could be restored.

Image source: www.bing.com

Filed Under: Science Tagged With: Endangered species, manatee, Monarch butterflies, U.S. Fish and Wildlife Service

Monarch butterflies Migration Pattern Study Published by Scientists

August 12, 2013 By Janet Vasquez Leave a Comment

In a bid to save the Monarch butterflies that are facing a sharp decline, the researchers at the University of Guelph have carried an interesting and first of its kind study about the migration pattern of butterflies during a full breeding season. The findings would play a crucial role in understanding the migration pattern of these flies and protecting them from future threats. 

Monarch butterfly study has been published in the Proceedings of the Royal Society B.

The study can serve as a crucial method to a link between the adult butterflies and their birthplaces. The process of annual migration of butterflies is very complicated and thus the study may be remarkable development in understanding their behavior.

monarch-butterfly

The researchers used chemical markers to link the waves of insects with their place of birth. Monarchs take energy from milkweed and notably its chemical signature keeps changing from places to place. With the help of these chemical signatures, researchers identified their birthplaces and hence studied their migration pattern.

Monarch butterflies have one of the most epic and chronicled migrations of the insect world. They journey thousands of miles each year between Mexico and Canada, wintering in the south before returning north once more. Until now, though, linking adult butterflies and their birthplaces during this complicated migration has remained near impossible. Yet scientists have now mapped this migration pattern over an entire breeding season, which may help them preserve this amazing creature.

What went wrong?

The number of Monarch butterflies is declining currently. The vibrant insect is suffering from habitat destruction. The other major factors playing significant role in its sharp decline are the presence of insecticides and other chemicals in the environment besides the loss of milkweed, the sole plant that Monarch larvae feed on. This mapping would help the scientists in understanding the reason behind this decline. It will also determine the effect of decreasing milkweed plants on the life of these endangered species.

Filed Under: Lifestyle Tagged With: Butterfly, Monarch butterflies

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