7 things you never knew about dragonflies – https://www.mnn.com/your-home/organic-farming-gardening/stories/7-things-you-never-knew-about-dragonflies

Monarch butterflies migrate from US & Canada to Mexico – multi-generation
Sound of their flight:  https://mashable.com/video/sound-of-monarch-butterflies-taking-flight/?utm_source=facebook&utm_medium=social&utm_campaign=wired&utm_social-type=owned&mbid=social_fb&utm_brand=wired&linkId=68801714

Investigating the secrets of Dragonfly flight: https://www.youtube.com/watch?v=cJJowVxiaRU