Threats to Hutton's shearwater/tītī
Hutton's shearwater killed by a stoat
Habitat loss and predation by introduced mammals is the main threat to remaining Hutton's shearwater populations. Deer and chamois are known to trample nesting burrows, stoats and cats will eat young birds and eggs, and pigs would be a major threat if they reached the breeding colonies.
Both of the species' remaining breeding colonies are confined to a small area, making the birds extremely vulnerable to events such as landslides or predation which could lead to extinction.
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