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The monarch butterfly or simply monarch (Danaus plexippus) is a milkweed butterfly (subfamily Danainae) in the family Nymphalidae. [6] Other common names, depending on region, include milkweed, common tiger, wanderer, and black-veined brown. [7]
4 天前 · Eastern migratory monarch butterfly populations decrease by 59% in 2024. New data detailing the abundance of the eastern monarch butterfly colonies wintering in central Mexico’s forests estimate that the species occupied only 2.2 acres during the 2023-2024 winter season—59% less than the previous year when scientists observed 5.5 acres.
帝王斑蝶. 臺灣正體. 工具. 帝王斑蝶 （學名： Danaus plexippus，中國大陸作 君主斑蝶）又名 帝王蝶、大樺斑蝶、褐脈棕斑蝶、黑脈金斑蝶[4][5]，是一種 斑蝶。 牠們可能是 北美洲 最廣為人知的 蝴蝶。 自19世紀，牠們就在 紐西蘭 被發現，並於1871年在 澳洲 發現 [6][7]。 牠們分佈在 歐洲 的 加那利群島 及 馬德拉，並有一些遷徙至 俄羅斯 、 亞速爾群島 、 瑞典 及 西班牙。 翅膀上有顯眼的橙色及黑色斑紋，翅膀寬8.9-10.2公分 [8]。 雌蝶的翅脈更為深色，雄蝶的後翅中央有一斑點可以釋放 費洛蒙 [9]。 雄蝶較雌蝶為大。 科學分類. [編輯]
2024年9月11日 · Monarch butterfly, member of the milkweed butterfly group known for its large size, its orange and black wings, and its long annual migrations. Monarchs are found primarily in North, Central, and South America but also occur intermittently in other parts of the world.
Monarch butterflies live in North, Central, and South America as well as Australia, some Pacific Islands, India, and Western Europe. They're on the endangered species...
帝王蝴蝶(Monarch butterfly)是在北美很常见的一种大型蝴蝶。 在澳大利亚，这种蝴蝶被叫做Wanderer Bufferfly，也是一种非常常见的蝴蝶。 在北美洲，帝王蝴蝶通常要飞行3000千米到目的地繁殖。
2024年10月29日 · Ecologically, monarch butterflies are key pollinators in the ecosystem, feeding on nectar from a wide variety of flowers as adults. The abundance of nectar sources is extremely important for optimal pollination and for the migrating monarchs to build fat reserves ahead of their travels. Since pollination occurs while collecting nectar, access ...
4 天前 · Their dependence on milkweed alone as a host plant, and declining milkweed abundance throughout the monarch range, is threatening monarchs. What adaptation protects monarch butterflies? The bright orange and black colors of the monarch warn predators
The monarch butterfly is one of the most recognizable and well studied butterflies on the planet. Its orange wings are laced with black lines and bordered with white dots. Famous for their ...
2024年2月8日 · Getty Images. Monarch butterfly populations are declining, but humans can do one easy thing to help. The forces driving monarch decline. Two distinct populations, the eastern and western...
