Tracking studies show OSME Region vital to migratory birds from East Asia

WU Lan

Guest blog by Terry Townshend

The Beijing Swift

The Common Swift (Apus apus pekinensis) is a much-loved bird in China and has been synonymous with the Chinese capital since 1417 when it began to breed in the city’s gatehouses.  For centuries these aerial masters would arrive each April and depart at the end of July but to where remained a mystery.