Animalia → Aves → Laridae
Caspian Tern
Hydroprogne caspia
sprcrwild · CC-BY
ORBIC List 4S4?
State Rank
SX
S1
S2
S3
S4
S5
S4? — Apparently Secure in Oregon
G5
Global Rank
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
Columbia Basin
Coast Range
East Cascades
Klamath Mountains
Marine & Estuarine
West Cascades
Willamette Valley
Counties
Baker · Clatsop · Columbia · Coos · Crook · Deschutes · Douglas · Gilliam · Harney · Hood River · Jackson · Klamath · Lake · Lane · Lincoln · Malheur · Morrow · Multnomah · Sherman · Tillamook · Umatilla · Wasco
Other states / provinces
CA, WA +
Range map
Certain
Possible
Extirpated
Absent