A year ago life for Cook’s petrel chicks on Little Barrier (Hauturu) was bleak and short lived. Now, less than a year after the operation to rid the island of rats, most chicks have survived to fly from their burrows.
Monitoring this summer has shown that 70 percent of the Cook’s petrel chicks fledged. In previous years as few as five percent survived when up to 95 percent of chicks were killed by kiore or Pacific rat, leaving the sea bird population in a downward spiral.
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