Many species of gadfly petrel (genus Pterodroma) are threatened or endangered, including, in New Zealand, the Chatham petrel (Pterodroma axillaris), and Pycroft's petrel (P. pycrofti). Conservation actions for these species ...

Weta motels were used to non-destructively sample cavity-dwelling species to provide a snapshot of forest diversity and health. Another non-destructive sampling method uses wooden discs as facsimiles for natural fallen ...