An acacia rat (Thallomys paedulcus) from a private collection.
An acacia rat (Thallomys loringi) at the Prague Zoo.
Loring’s rat (Thallomys loringi) from Tanzania at the Plzen Zoo in the Czech Republic.
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Joel is the founder of the Photo Ark, a groundbreaking effort to document every species in captivity before it’s too late.
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