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Condors have a massive wingspan of up to 10 feet and, left undisturbed, can live as long as 70 years.

They spent hours together every weekday as part of Mara’s rehabilitation program, Andrews pushing his new protege to unlock potential as vast as Mara’s 7½-foot wingspan.

He stands 7 feet 3, wears size-18 shoes and has a wingspan rivaling that of some regional jets.

The largest of these reached 10 m in wingspan, but early forms were generally limited to around 2 m.

The largest land bird in North America with an impressive wingspan up to 9½ feet, the California condor could once be found across the continent.