Species Status Definitions

State Status

E: On U.S. Fish and Wildlife Service Endangered Species List
T: On U.S. Fish and Wildlife Service Threatened Species List
PE: Proposed to be added to Endangered Species List by U.S. Fish and Wildlife Service
PT: Proposed to be added to Threatened Species List by U.S. Fish and Wildlife Service
C: Candidate
SAT: On U.S. Fish and Wildlife Service Threatened Species List based on Similarity of Appearance to another Listed Threatened Species
E, PT: Endangered, Proposed Threatened
E, XN: Endangered, Experimental Population, Non-Essential
DL: Delisted
Not Listed
Under Review: Currently under a 12 month review by U.S. Fish and Wildlife Service to determine if listing is warranted

S1: Critically Imperiled in Texas
S2: Imperiled in Texas
S3: Vulnerable in Texas
S4: Apparently Secure in Texas
S5: Secure in Texas
S#S#: Range Rank, Used to Indicate a Range of Uncertainty about the Conservation Status of a Species
SH: Possibly Extirpated in Texas
SX: Presumed Extirpated in Texas
SNA: Not Applicable, Not a Suitable Target for Conservation Actions in Texas
SNR: Unranked, Conservation Status Not Yet Assessed
SU: Unrankable in Texas, Not Enough Information
B: Breeding, Conservtion Status Refers to the Breeding Population
N: Non-Breeding, Conservtion Status Refers to the Non-Breeding Population
?: Inexact Numeric Rank

G1: Critically Imperiled Across Entire Range
G2: Imperiled Across Entire Range
G3: Vulnerable Across Entire Range
G4: Apparently Secure Across Entire Range
G5: Secure Across Entire Range
G#G#: Range Rank, Used to Indicate a Range of Uncertainty about the Conservation Status of a Species
GH: Possible Extinct
GX: Presumed Extinct
GNR: Unranked, Conservation Status Not Yet Assessed
T#: Conservation Status of Subspecies or Variety
Q: Questionable Taxonomy
?: Inexact Numeric Rank