Sierra Nevada yellow-legged frog
E481910
The Sierra Nevada yellow-legged frog is an endangered amphibian species native to high-elevation lakes and streams of California’s Sierra Nevada, known for its yellowish hind legs and critical role in alpine aquatic ecosystems.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Sierra Nevada yellow-legged frog canonical | 2 |
| mountain yellow-legged frog complex | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4933394 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sierra Nevada yellow-legged frog Context triple: [Northern Sierra Nevada, hasFauna, Sierra Nevada yellow-legged frog]
-
A.
California red-legged frog
The California red-legged frog is a threatened amphibian native to California and the largest native frog in the western United States, known for its distinctive reddish hind legs and association with coastal and foothill habitats.
-
B.
California tiger salamander
The California tiger salamander is a large, secretive, black-and-yellow spotted amphibian native to California’s grasslands and vernal pool ecosystems, where it spends most of its life underground and is considered a threatened species.
-
C.
Jefferson salamander
The Jefferson salamander is a slender, nocturnal mole salamander native to eastern North American woodlands, typically breeding in temporary woodland ponds in early spring.
-
D.
Rana draytonii
Rana draytonii is a threatened species of large, semi-aquatic frog native to California and the western United States, known for its distinctive reddish hind legs and importance in local wetland ecosystems.
-
E.
Panamanian golden frog
The Panamanian golden frog is a critically endangered, brightly colored toad species endemic to Panama, renowned for its cultural significance and distinctive toxin-laden skin.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sierra Nevada yellow-legged frog Target entity description: The Sierra Nevada yellow-legged frog is an endangered amphibian species native to high-elevation lakes and streams of California’s Sierra Nevada, known for its yellowish hind legs and critical role in alpine aquatic ecosystems.
-
A.
California red-legged frog
The California red-legged frog is a threatened amphibian native to California and the largest native frog in the western United States, known for its distinctive reddish hind legs and association with coastal and foothill habitats.
-
B.
California tiger salamander
The California tiger salamander is a large, secretive, black-and-yellow spotted amphibian native to California’s grasslands and vernal pool ecosystems, where it spends most of its life underground and is considered a threatened species.
-
C.
Jefferson salamander
The Jefferson salamander is a slender, nocturnal mole salamander native to eastern North American woodlands, typically breeding in temporary woodland ponds in early spring.
-
D.
Rana draytonii
Rana draytonii is a threatened species of large, semi-aquatic frog native to California and the western United States, known for its distinctive reddish hind legs and importance in local wetland ecosystems.
-
E.
Panamanian golden frog
The Panamanian golden frog is a critically endangered, brightly colored toad species endemic to Panama, renowned for its cultural significance and distinctive toxin-laden skin.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
amphibian
ⓘ
endangered species ⓘ frog ⓘ vertebrate ⓘ |
| activityPattern | diurnal ⓘ |
| bodyColor | brown to olive with darker spots ⓘ |
| class | Amphibia ⓘ |
| commonName | Sierra Nevada yellow-legged frog ⓘ |
| conservationStatus |
Endangered (IUCN)
ⓘ
Endangered (U.S. Endangered Species Act) ⓘ |
| describedBy | Vance T. Vredenburg et al. (as distinct species, early 2000s) ⓘ |
| diet |
aquatic invertebrates
ⓘ
terrestrial invertebrates ⓘ |
| elevationRange | typically above 1,500 meters ⓘ |
| endemicTo |
California
ⓘ
linked to:
California, United States
|
| family | Ranidae ⓘ |
| genus | Rana ⓘ |
| geographicDistribution |
central Sierra Nevada
ⓘ
southern Sierra Nevada ⓘ |
| habitat |
alpine aquatic ecosystems
ⓘ
high-elevation lakes ⓘ high-elevation ponds ⓘ high-elevation streams ⓘ |
| hasCharacteristic |
medium-sized body
ⓘ
roughly mottled dorsal coloration ⓘ yellowish hind legs ⓘ |
| kingdom | Animalia ⓘ |
| legalProtection |
protected under California state law
ⓘ
protected under U.S. federal law ⓘ |
| nativeTo |
California
ⓘ
linked to:
California, United States
Sierra Nevada ⓘ |
| order | Anura ⓘ |
| overwinters | underwater in lakes or streams ⓘ |
| phylum | Chordata ⓘ |
| previouslyConsidered | part of Rana muscosa complex ⓘ |
| reproduction |
breeds in alpine and subalpine water bodies
ⓘ
lays eggs in water ⓘ |
| roleInEcosystem |
indicator of alpine aquatic ecosystem health
ⓘ
predator of aquatic invertebrates ⓘ prey for native predators ⓘ |
| scientificName | Rana sierrae ⓘ |
| similarTo |
mountain yellow-legged frog complex
ⓘ
linked to:
Sierra Nevada yellow-legged frog
|
| taxonRank | species ⓘ |
| threatenedBy |
chytrid fungus (Batrachochytrium dendrobatidis)
ⓘ
climate change ⓘ habitat degradation ⓘ introduced trout predation ⓘ |
| ventralColor | yellow to orange on hind legs and lower abdomen ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Sierra Nevada yellow-legged frog Description of subject: The Sierra Nevada yellow-legged frog is an endangered amphibian species native to high-elevation lakes and streams of California’s Sierra Nevada, known for its yellowish hind legs and critical role in alpine aquatic ecosystems.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Sierra Nevada yellow-legged frog