504
Total
2015 – Number of fledglings surpasses number of birds dying in the wild
2002 – Breeding in the wild resumes
329
Wild
1987 – Extinct in the wild. Last six birds captured
1983 – Eggs first taken from wild nests for captive rearing
175
Captive
1960
1980
2000
2020
2015
Number of fledglings surpasses number of birds dying in the wild
500
504
Total
2002
Breeding in the wild resumes
1987
Extinct in the wild. Last six birds captured
400
329
Wild
300
1983
Eggs first taken from wild nests for captive rearing
200
175
Captive
100
0
1950
1960
1970
1980
1990
2000
2010
2020