Monarch butterflies in Quebec, Canada

This video shows monarch butterflies in large numbers in a field in Quebec, Canada in September 2019.


Black swallowtail butterflies’ life cycle in Canada

This 28 September 2019 video is about black swallowtail butterflies’ life cycle in Canada.

How caterpillars become butterflies, video

This September 2019 video says about itself:

What’s Inside A Caterpillar ‘Cocoon’

Contrary to popular belief, a chrysalis is not a pouch or a sac —It’s actually the caterpillar’s own body! During metamorphosis, the former caterpillar releases digestive juices that dissolve cells in its muscles, gut, and other organs. Then, special groups of cells called imaginal discs divide over and over again, forming wings and other adult structures.