A juvenile peregrine falcon perched on a cliff along Avon Gorge in Bristol ... which roost in large groups around the capital. Florin Feneru, Identification and Advisory Officer at the Museum, says ...

Peregrine falcon populations, like many birds of prey including osprey and bald eagles, were affected by DDT and other biocides in the 1950s and remained an endangered species in Iowa until 2010.

"It is so incredible to see him maturing and thriving as a juvenile in his natural ... helping the endangered species grow and thrive. READ MORE:Peregrine falcon born at We Energies nesting ...