The big white spots seen on the wings of migratory monarch butterflies may have evolved to help them fly more efficiently on their long, hot journeys
![Monarch Butterflies' Signature White Spots May Help Them Fly, Smart News](https://th-thumbnailer.cdn-si-edu.com/V35vaVJfBs3V6SYiEJhbK1NRjJA=/1072x720/filters:no_upscale():focal(2784x1856:2785x1857)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/13/35/13351956-ed1f-4bec-bda4-005848510455/gettyimages-1246834543.jpg)
Monarch Butterflies' Signature White Spots May Help Them Fly, Smart News
![Comparison of relative white spot size on butterfly forewings (% of](https://www.researchgate.net/publication/371759261/figure/fig5/AS:11431281169753664@1687443234954/Comparison-of-relative-white-spot-size-on-butterfly-forewings-of-forewing-surface.png)
Comparison of relative white spot size on butterfly forewings (% of
![Monarch Butterfly](https://i.natgeofe.com/k/9acd2bad-fb0e-43a8-935d-ec0aefc60c2f/monarch-butterfly-grass_3x2.jpg)
Monarch Butterfly
![Butterfly Identification 101 - Save Our Monarchs](http://www.saveourmonarchs.org/uploads/1/3/2/3/13239148/published/800px-danaus-plexippus-female-l-male-r.png?1528474167)
Butterfly Identification 101 - Save Our Monarchs
![Monarch Butterfly Identification Guide - The National Wildlife Federation Blog](https://blog.nwf.org/wp-content/blogs.dir/11/files/2023/09/Male-v-Female-Monarch.png)
Monarch Butterfly Identification Guide - The National Wildlife Federation Blog
Monarch butterflies are more likely to surviv
![A butterfly that couldn't fly – crystallofolia](https://farm1.staticflickr.com/594/22345761070_237bb5647f_n.jpg)
A butterfly that couldn't fly – crystallofolia
![Monarch butterfly color patterns help migration](https://www.popsci.com/uploads/2023/06/21/monarch-butterfly-wing-spots.jpg?auto=webp)
Monarch butterfly color patterns help migration
![Monarch Butterfly Insect Facts Danaus plexippus - A-Z Animals](https://a-z-animals.com/media/monarch-butterfly-2.jpg)
Monarch Butterfly Insect Facts Danaus plexippus - A-Z Animals
![California's Monarch Butterflies](https://www.heartspm.com/wp-content/media/monarch-b1.jpg)
California's Monarch Butterflies