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PEO017-00296

A family sits around a campfire at a fishing night at the Valparaiso pond in Valparaiso, Nebraska.

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A sunda scops-owl (Otus lempiji lempiji) at Penang Bird Park.

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Millions of monarch butterflies (Danaus plexippus) roost on the Chincua Mountain near Angangueo, Mexico. This is one of five wintering roosts for monarchs, where the cool mountain climate slows their metabolism enough for them to overwinter before migrating back northward in the spring. Logging threatens this spectacle–Already one of the five sites is no longer used by the butterflies due to the forest being cleared.

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Millions of monarch butterflies (Danaus plexippus) roost on the Chincua Mountain near Angangueo, Mexico. This is one of five wintering roosts for monarchs, where the cool mountain climate slows their metabolism enough for them to overwinter before migrating back northward in the spring. Logging threatens this spectacle–Already one of the five sites is no longer used by the butterflies due to the forest being cleared.

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BIR025-00272

A rufous owl (Ninox rufa) named Angus at the Taronga Zoo.

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PEO014-00161

A man uses a chainsaw to cut a log in Ceresco, Nebraska.

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ANI030-00130

A vulnerable Asian small-clawed otter (Aonyx cinerea).

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A marine iguana (Amblyrhynchus cristatus) on Fernandina Island in Galapagos National Park.

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A red bird-of-paradise (Paradisaea rubra) at the Houston Zoo. Listed as near threatened on IUCN.

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A clear-cut in Salmon National Forest, Idaho. The reserve covers a 1.8- million -acre tract.

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Monarchs (Danaus plexippus) in the Sierra Chincua sanctuary, Mexico.

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Millions of monarch butterflies (Danaus plexippus) roost on the Sierra Chincua (Chincua mountain) near Angangueo, Mexico. This is one of five wintering roosts for monarchs, where the cool mountain climate slows their metabolism enough for them to overwinter before migrating back northward in the spring. Logging threatens this spectacle: already one of the five sites is no longer used by the butterflies due to the forest being cleared.

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ANI082-00116

Millions of monarch butterflies (Danaus plexippus) roost on the Sierra Chincua (Chincua mountain) near Angangueo, Mexico. This is one of five wintering roosts for monarchs, where the cool mountain climate slows their metabolism enough for them to overwinter before migrating back northward in the spring. Logging threatens this spectacle: already one of the five sites is no longer used by the butterflies due to the forest being cleared.

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ANI082-00117

Millions of monarch butterflies (Danaus plexippus) roost on the Sierra Chincua (Chincua mountain) near Angangueo, Mexico. This is one of five wintering roosts for monarchs, where the cool mountain climate slows their metabolism enough for them to overwinter before migrating back northward in the spring. Logging threatens this spectacle: already one of the five sites is no longer used by the butterflies due to the forest being cleared.

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ANI082-00118

Millions of monarch butterflies (Danaus plexippus) roost on the Sierra Chincua (Chincua mountain) near Angangueo, Mexico. This is one of five wintering roosts for monarchs, where the cool mountain climate slows their metabolism enough for them to overwinter before migrating back northward in the spring. Logging threatens this spectacle: already one of the five sites is no longer used by the butterflies due to the forest being cleared.

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Millions of monarch butterflies (Danaus plexippus) roost on the Sierra Chincua (Chincua mountain) near Angangueo, Mexico. This is one of five wintering roosts for monarchs, where the cool mountain climate slows their metabolism enough for them to overwinter before migrating back northward in the spring. Logging threatens this spectacle: already one of the five sites is no longer used by the butterflies due to the forest being cleared.

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ANI082-00120

Millions of monarch butterflies (Danaus plexippus) roost on the Sierra Chincua (Chincua mountain) near Angangueo, Mexico. This is one of five wintering roosts for monarchs, where the cool mountain climate slows their metabolism enough for them to overwinter before migrating back northward in the spring. Logging threatens this spectacle: already one of the five sites is no longer used by the butterflies due to the forest being cleared.

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ANI082-00121

Millions of monarch butterflies (Danaus plexippus) roost on the Sierra Chincua (Chincua mountain) near Angangueo, Mexico. This is one of five wintering roosts for monarchs, where the cool mountain climate slows their metabolism enough for them to overwinter before migrating back northward in the spring. Logging threatens this spectacle: already one of the five sites is no longer used by the butterflies due to the forest being cleared.

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Joel Sartore on assignment at Sierra Chincua in Mexico, home to the world’s largest gathering of monarch butterflies.

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Logging has taken its toll on a former wintering roost for monarch butterflies near Angangueo, Mexico.

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Logging has taken its toll on a former wintering roost for monarch butterflies near Angangueo, Mexico.

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Logging has taken its toll on a former wintering roost for monarch butterflies near Angangueo, Mexico.

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Millions of monarch butterflies (Danaus plexippus) roost on the Sierra Chincua (Chincua mountain) near Angangueo, Mexico. This is one of five wintering roosts for monarchs, where the cool mountain climate slows their metabolism enough for them to overwinter before migrating back northward in the spring. Logging threatens this spectacle: already one of the five sites is no longer used by the butterflies due to the forest being cleared.

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ANI082-00112

Millions of monarch butterflies (Danaus plexippus) roost on the Sierra Chincua (Chincua mountain) near Angangueo, Mexico. This is one of five wintering roosts for monarchs, where the cool mountain climate slows their metabolism enough for them to overwinter before migrating back northward in the spring. Logging threatens this spectacle: already one of the five sites is no longer used by the butterflies due to the forest being cleared.

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ANI082-00113

Millions of monarch butterflies (Danaus plexippus) roost on the Sierra Chincua (Chincua mountain) near Angangueo, Mexico. This is one of five wintering roosts for monarchs, where the cool mountain climate slows their metabolism enough for them to overwinter before migrating back northward in the spring. Logging threatens this spectacle: already one of the five sites is no longer used by the butterflies due to the forest being cleared.

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An arctic ground squirrel (Spermophilus parryii) investigates some logs for food in Prudhoe Bay, Alaska.

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A dwarf fat-tailed lemur (Cheirgaleus medius) at Omaha’s Henry Doorly Zoo.

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A dwarf fat-tailed lemur (Cheirgaleus medius) at Omaha’s Henry Doorly Zoo.

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A Brazilian porcupine (Coendou prehensilis) from the Riverside Zoo, Scottsbluff, Nebraska.

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Vulnerable Asian small-clawed otters (Aonyx cinerea) at the Sunset Zoo, Manhattan, Kansas.

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Inca tern (Larosterna inca) at the Sedgwick County Zoo.

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A mahogany tree log in a Mahogany Hammock in Everglades National Park, Florida.

Photo: Julie Jensen Director of Marketing | WVC O: 866.800.7326 | D: 702.443.9249 | E: j.jensen@wvc.org

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