Animalia → Aves → Laridae
Black Tern
Chlidonias niger
Colton Veltkamp · CC-BY
ORBIC List 4S3B
State Rank
SX
S1
S2
S3
S4
S5
S3B — Vulnerable in Oregon
G4G5
Global Rank
Apparently Secure
List 4
ORBIC
Apparently Secure
What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories
Ecoregions
Blue Mountains
N. Basin & Range
East Cascades
Willamette Valley
Counties
Benton · Crook · Deschutes · Grant · Harney · Klamath · Lake · Lane · Linn · Malheur · Polk
Other states / provinces
ID, NV, WA +
Range map
Certain
Possible
Extirpated
Absent