New findings from a complete porcupine skeleton in Florida reveal a much earlier origin for North American porcupines, predating the Isthmus of Panama, and suggest a mixed evolutionary lineage with traits of both North and South American species.
New findings from a complete porcupine skeleton in Florida reveal a much earlier origin for North American porcupines, predating the Isthmus of Panama, and suggest a mixed evolutionary lineage with traits of both North and South American species.