Which endangered bird of prey, with a wingspan reaching almost three metres, is being reintroduced in Spain's Sierra de Cazorla after near-extinction?

• A Steller's sea eagle
• B Bearded vulture ✓
• C Griffon vulture
• D Golden eagle

The bearded vulture (quebrantahuesos), which feeds almost exclusively on bones, has been successfully reintroduced to the Picos de Europa and other Spanish mountain ranges.