Photograph by Joel Sartore

A portrait of the story team. From left, photographers Christian Ziegler, Ian Nichols, Joel Sartore, Tim Laman and writer Virginia Morrell.

Photograph by Joel Sartore

Researchers look on as a leatherback sea turtle nests along Bioko’s south coast.

Photograph by Joel Sartore

Bioko’s bush-meat trade threatens animals like this young drill (Mandrillus leucophaeus poensis).

Photograph by Joel Sartore

A captive drill in the Ela Nguema section of Malabo is welded into a cage behind a restaurant.

Photograph by Joel Sartore

Chameleon (Chamaeleo feae)

Photograph by Joel Sartore

Calabash nutmeg flower (Monodora myristica)

Photograph by Joel Sartore

Bioko crowned monkey (Cercopithecus pogonias pogonias)

Photograph by Joel Sartore

Shrimp (Macrobrachium sp.)

Photograph by Joel Sartore

Little Greenbul (Andropadus virens)

Photograph by Joel Sartore

Mudskipper

Photograph by Joel Sartore

Celebrating the last night of the expedition at the main camp, the students drum and dance on the beach.