Great woodswallows are found as high as 3,000 metres ( 9,800 ft ) .
Are most abundant between 1,000 metres ( 3,300 ft ) and 2,500 metres ( 8,200 ft ) .
Great woodswallows are found as high as 3,000 metres ( 9,800 ft ) , but are most abundant between 1,000 metres ( 3,300 ft ) and 2,500 metres ( 8,200 ft ) .