Monarch Butterflies on Tree
![Image: Monarch Butterflies on Tree](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/Monarchs_on_Tree.jpg?itok=d1b125UQ)
Detailed Description
A group of monarch butterflies (Danaus plexippus) covers an oyamel fir tree (Abies religiosa) at an overwintering site in the Piedra Herrada Monarch Butterfly Sanctuary in Mexico.
Sources/Usage
Public Domain.