Researchers found that butterflies first appeared somewhere in central and western North America 100 million years ago.
Meet the butterflies from 200 million years ago
How Biomimicry is Inspiring Human Innovation, Science
New Research Reveals New Origins for Butterflies, Blog, Nature
New Research Reveals New Origins for Butterflies, Blog, Nature
The Life Cycle of a Butterfly - Science for Kids
Scientists Can Now Repaint Butterfly Wings - The Atlantic - S C I E N C E Scientists Can Now Repaint - Studocu
How transparency in butterflies and moths helps ward off predators, For the press
Some Monarch Butterflies Don't Migrate
Life Cycle of a Butterfly Lesson for Kids - Video & Lesson Transcript
Butterflies – Beautiful, Breathtaking, And Bewitching
Fossils reveal butterfly 'tree of life' and origins