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A three-toed sloth hangs from a branch at the Metropolitan Natural Park in Panama City

Thirty-one sloths planned for a new "slothnarium" in Florida have died before the attraction's planned opening, authorities have found.

The mammals were planned to be showcased at a permanent, public exhibit at Sloth World in Orlando, set to open this spring.

Many of the sloths died due to conditions at a Florida warehouse where they'd been shipped, according to a report released on Friday by the Florida Fish and Wildlife Conservation Commission (FWC).…