Joel Sartore Joel Sartore

National Geographic Photographer and Speaker

Keyword: bioko island

A mudskipper (Periophthalmus sp.) on Bioko Island, Equatorial Guinea.

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A mudskipper (Periophthalmus sp.) on Bioko Island, Equatorial Guinea.

A mudskipper (Periophthalmus sp.) on Bioko Island, Equatorial Guinea.

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A mudskipper (Periophthalmus sp.) on Bioko Island, Equatorial Guinea.

A mudskipper (Periophthalmus sp.) on Bioko Island, Equatorial Guinea.

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A mudskipper (Periophthalmus sp.) on Bioko Island, Equatorial Guinea.

A mudskipper (Periophthalmus sp.) on Bioko Island, Equatorial Guinea.

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A mudskipper (Periophthalmus sp.) on Bioko Island, Equatorial Guinea.

Photo: The feet of an expedition guide hiking among leaf litter and caterpillars in the rainforest of Bioko Island, Equitorial Guinea.

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The feet of an expedition guide hiking among leaf litter and caterpillars in the rainforest of Bioko Island, Equitorial Guinea.

A mudskipper (Periophthalmus sp.) on Bioko Island, Equatorial Guinea.

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A mudskipper (Periophthalmus sp.) on Bioko Island, Equatorial Guinea.

Photo: A coastal cave filled with what most likely are Noack's roundleaf bats (Hipposideros ruber) in Bioko Island, Equatorial Guinea.

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A coastal cave filled with what most likely are Noack’s roundleaf bats (Hipposideros ruber) in Bioko Island, Equatorial Guinea.

A wild caterpillar in Bioko Island, Equatorial Guinea.

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A wild caterpillar in Bioko Island, Equatorial Guinea.

Photo: A studio portrait of a fungus from the rainforest floor on Bioko Island, Equitorial Guinea.

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A studio portrait of a fungus from the rainforest floor on Bioko Island, Equitorial Guinea.

Photo: A studio portrait of a fungus from the rainforest floor on Bioko Island, Equitorial Guinea.

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A studio portrait of a fungus from the rainforest floor on Bioko Island, Equitorial Guinea.

A Fea’s chameleon (Chamaeleo feae) from Bioko Island, Equatorial Guinea.

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A Fea’s chameleon (Chamaeleo feae) from Bioko Island, Equatorial Guinea.

A Fea’s chameleon (Chamaeleo feae) from Bioko Island, Equatorial Guinea.

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A Fea’s chameleon (Chamaeleo feae) from Bioko Island, Equatorial Guinea.

A Fea’s chameleon (Chamaeleo feae) from Bioko Island, Equatorial Guinea.

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A Fea’s chameleon (Chamaeleo feae) from Bioko Island, Equatorial Guinea.

An Angolan fruit bat (Lissonycteris angolensis) from Bioko Island, Equatorial Guinea.

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An Angolan fruit bat (Lissonycteris angolensis) from Bioko Island, Equatorial Guinea.

An Angolan fruit bat (Lissonycteris angolensis) from Bioko Island, Equatorial Guinea.

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An Angolan fruit bat (Lissonycteris angolensis) from Bioko Island, Equatorial Guinea.

A common waxbill (Estrilda astrild occidentalis) from Bioko Island, Equatorial Guinea.

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A common waxbill (Estrilda astrild occidentalis) from Bioko Island, Equatorial Guinea.

A common waxbill (Estrilda astrild occidentalis) from Bioko Island, Equatorial Guinea.

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A common waxbill (Estrilda astrild occidentalis) from Bioko Island, Equatorial Guinea.

Photo: A crew of researchers meets at turtle camp on Bioko Island, Equatorial Guinea, Africa.

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A crew of researchers meets at turtle camp on Bioko Island, Equatorial Guinea, Africa.

Photo: A crew of researchers eats dinner at turtle camp on Bioko Island, Equatorial Guinea, Africa.

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A crew of researchers eats dinner at turtle camp on Bioko Island, Equatorial Guinea, Africa.

Photo: Cans of food await the crew for dinner at the turtle camp on Bioko Island, Equatorial Guinea, Africa.

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Cans of food await the crew for dinner at the turtle camp on Bioko Island, Equatorial Guinea, Africa.

Photo: Researchers watch as a leatherback sea turtle nests on Bioko's coast.

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Researchers watch as a leatherback sea turtle nests on Bioko’s coast.

Photo: Researchers watch as a leatherback sea turtle nests on Bioko's coast.

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Researchers watch as a leatherback sea turtle nests on Bioko’s coast.

Photo: A nesting leatherback sea turtle along the south coast of Bioko.

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A nesting leatherback sea turtle along the south coast of Bioko.

Photo: A nesting leatherback sea turtle along the south coast of Bioko.

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A nesting leatherback sea turtle along the south coast of Bioko.

Photo: A nesting leatherback sea turtle along the south coast of Bioko.

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A nesting leatherback sea turtle along the south coast of Bioko.

Photo: A nesting leatherback sea turtle along the south coast of Bioko.

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A nesting leatherback sea turtle along the south coast of Bioko.

Photo: A nesting leatherback sea turtle along the south coast of Bioko.

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A nesting leatherback sea turtle along the south coast of Bioko.

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