Popoia Islet State Wildlife Sanctuaries

Size:                                  3.67 Acres

Access:                              Restricted to areas below high water mark.  Commercial activity by permit only.

Seabird Species Present:  Oʻu or Bulwer’s Petrel (Bulweria bulwerii), Uʻau Kani or Wedged-Tailed Shearwater (Puffinus pacific), various common shorebird species.

Other Notable Species:     ‘Opae ‘ula (Halocaridina rubra)

Threats:                             Pickelweed (Batis maritima), Chinese Violet (Asystasia gangetica), various grasses.  Barn Owls and pigeons.


Management Goals and Objectives:

  1. Manage commercial and recreational activity on islet using signage, commercial permit system, outreach and education to promote habitat and species protection.
  2. Remove invasive weeds, prevent non-native weeds from establishment.  Replace removed weeds with native species.
  3. Survey and inventory of seabirds.  Shearwater fledglings are counted each year in designated survey plots.  Entire islet is counted to track number of fledged Bulwer’s Petrels.
  4. Protect nesting areas by placing rope barriers to establish boundaries for sensitive nesting areas.
WTSH monitoring, Popoia Wildlife Sanctuary
Nesting Habitat and Survey plots, Popoia
Summary of WTSH nesting, 1995-2010, Popoia