False alarm in the ongoing manhunt for suspected killer Travis Decker ... the feds say the bones found near where his dead daughter's bodies were discovered turned out to be from an animal.

Bones discovered during a 250-acre search of Rock Island Campground for Travis Decker, accused of killing his three daughters, were found to be non-human.

The search for Travis Decker, the man missing since June after likely killing his three young daughters, continues with the FBI taking the lead.