ocr: BANK SWALLOW BURROWS The bank swallow is found all across Europe, Asia, Africa, and North and South America. Highly gregarious and loyal to their nest sites, they rerurn each year to dig a fresh nest burrow upto 3 feet (1: m) deep by pecking and scratching their way intoloose sandy cliffs. The parents line the burrows with teathers and plant material to make a warm SCCLrC nest for their chicks. SEE ALSO
