Birds were introduced to Bermuda in 1930 .
Birds were quickly started breeding , but they began to decline in the 1940s after scale insects devastated the population of Bermuda cedar , and by the 1960s they had died out .
Birds were introduced to Bermuda in 1930 and quickly started breeding , but they began to decline in the 1940s after scale insects devastated the population of Bermuda cedar , and by the 1960s they had died out .