| occurence | native | ||
| importance | Ref. | ||
| aquaculture | never/rarely | Ref. | |
| regulations | no regulations | Ref. | |
| freshwater | No | ||
| brackish | No | ||
| saltwater | Yes | ||
| live export | |||
| bait | No | ||
| game/sport | No | ||
| abundance | abundant (always seen in some numbers) | Ref. | Brooke, M. de L., I. Hepburn and R.J. Travelyan, 2004 |
| comments | Known from Henderson Island. These birds are migrants from Alaska with a northern winter population of around 40-50 birds (Ref. 87921). C: Ref. 87921. | ||
| C = country distribution; M = map distribution; O = occurrence data; R = regional distribution | |||
| States/Provinces | |||
| States/Provinces Complete? | No | ||
| National Checklist | |||
| country information | https://www.cia.gov/library/publications/resources/the-world-factbook/geos/pc.html | ||