Recent studies indicate that the number of butterflies in the USA is decreasing at an alarming rate. Their population has ...

Recent studies indicate that the number of butterflies in the United States is decreasing at an alarming rate, with their ...

A study recently published in the journal Science determined that the butterfly population across the continental U.S. has ...

Humpback whales, spanning up to 8,000 km; Albatrosses, traveling 75,000 miles annually; Caribou migrating 1,500 mil ...

Once there, they roost in massive clusters, conserving heat and energy throughout the winter months. Monarch butterfly, Danaus plexippus, in a butterfly garden on a flower in spring in Southern ...

Did you know that Yosemite National Park is home to more than 400 species of animals? Here, fish dart through sparkling river ...

Conservation biology is the study of attempts to protect and preserve biodiversity. It focuses on both the biological and social factors that affect the success of conservation efforts and on ...

conserving heat and energy throughout the winter months. 遗传学在导航中的作用 帝王蝶（学名 Danaus plexippus）在美国南加州的春天蝴蝶园中的一朵花上。图片来自 Seed。 Scientists believe that the ability of monarch butterflies to navigate ...

So Ursus americanus is the North American black bear, and Danaus plexippus is a Monarch butterfly. Distantly related animals always have a different genus, but they could have the same species name.