Patricio Robles Gil / Monarch butterfly (Danaus plexippus) large groups of butterflies hanging from Oyamel branches, Sierra Chincua Sanctuary, Mexico.
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Patricio Robles Gil / Oyamel tree full of Monarch butterflies (Danaus plexippus) in fog, Sierra Chincua Sanctuary, Mexico.
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Patricio Robles Gil / Oyamel tree full of Monarch butterflies (Danaus plexippus) in fog, Sierra Chincua Sanctuary, Mexico.
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Patricio Robles Gil / Monarch butterfly (Danaus plexippus) group, silhoutted some flying and some resting in oyamel trees, Reserve el Rosario Sanctuary, Mexico.
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Patricio Robles Gil / Monarch butterfly (Danaus plexippus) some flying and some resting in oyamel trees, El Rosario Sanctuary Reserve, Mexico.
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Patricio Robles Gil / Oyamel tree nursery. At the entrance of the El Rosario sanctuary, Mexico. November 2019.
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Patricio Robles Gil / School children and rangers visiting the Monarch Butterfly Reserve at Sierra Chincua Sanctuary, Mexico.
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Patricio Robles Gil / Monarch Butterfly Biosphere Reserve Sign, Sierra Chincua Sanctuary, Mexico.