The world's oldest bird species, including Chile and Wisdom, are remarkable survivors of ancient evolutionary processes.

“Bronx Zoo ornithologists pioneered this technique more than 40 years ago when hand-raising Andean condor chicks using a similar hand puppet cleverly designed to mimic an adult bird,” the zoo ...

The zoo says it helped develop the feeding technique more than four decades ago when workers there used it to raise three Andean condor chicks, which were then released into the wild in Peru.

The zoo says it helped develop the feeding technique more than four decades ago when workers there used it to raise three Andean condor chicks, which were then released into the wild in Peru.