Thousands of monarch butterflies (Danaus plexippus) cling to an Oyamel Pine tree at the Monarch Butterfly Sanctuary in Mexico.

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Thousands of monarch butterflies (Danaus plexippus) cling to an Oyamel Pine tree at the Monarch Butterfly Sanctuary El Rosario in Michoacan, Mexico.

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Size: 5616px × 3744px
Location: Rosario, Michoacan, Mexico
Photo credit: © Brian Overcast / Alamy / Afripics
License: Royalty Free
Model Released: No

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