Peregrine falcon spotted nesting in and around masts across London . The peregrine is a species of bird that nests on the roofs of buildings, but it has been known to nest as far away from its breeding grounds as 30 miles ( 40 km) away. Vodafone - company affected - says this will cause delays to upgrades . But criminal offence to disturb the birds under Wildlife and Countryside Act .
Peregrine falcon spotted nesting in and around masts across London . Workers in £200m upgrade saw nests on church , hospital and office block . Vodafone - company affected - says this will cause delays to upgrades . But criminal offence to disturb the birds under Wildlife and Countryside Act .