Porcupine caribou herd

E166539

caribou herd migratory caribou population wildlife population

The Porcupine caribou herd is a large migratory caribou population of the Arctic tundra, renowned for its long-distance movements across Alaska and Canada and its ecological and cultural importance to Indigenous communities.

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All labels observed (6)

Label	Occurrences
Porcupine caribou herd canonical	12
Porcupine caribou	1
Porcupine caribou calving grounds	1
Porcupine caribou herd calving grounds	1
Porcupine caribou herd range	1
Porcupine herd	1

How this entity was disambiguated

This entity first appeared as the object of triple T1455406 — 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: Porcupine caribou herd
Context triple: [Arctic National Wildlife Refuge, hasWildlife, Porcupine caribou herd]

A. Rocky Mountain elk
The Rocky Mountain elk is a large North American subspecies of elk known for its impressive antlers, migratory behavior, and prominence in western mountain ecosystems.
B. Roosevelt elk
The Roosevelt elk is the largest subspecies of North American elk, native to the Pacific Northwest’s temperate rainforests and known for its impressive size and massive antlers.
C. mountain caribou
The mountain caribou is a woodland ecotype of caribou adapted to deep-snow, mountainous forests of the inland Pacific Northwest, where it relies heavily on arboreal lichens for winter forage.
D. Sierra Nevada bighorn sheep
The Sierra Nevada bighorn sheep is an endangered subspecies of bighorn sheep native to California’s Sierra Nevada mountains, known for its impressive curved horns and adaptation to steep, rocky alpine terrain.
E. Bison
Bison is the official mascot of Howard University, symbolizing the institution’s strength, resilience, and historic legacy.
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: Porcupine caribou herd
Target entity description: The Porcupine caribou herd is a large migratory caribou population of the Arctic tundra, renowned for its long-distance movements across Alaska and Canada and its ecological and cultural importance to Indigenous communities.

A. Rocky Mountain elk
The Rocky Mountain elk is a large North American subspecies of elk known for its impressive antlers, migratory behavior, and prominence in western mountain ecosystems.
B. Roosevelt elk
The Roosevelt elk is the largest subspecies of North American elk, native to the Pacific Northwest’s temperate rainforests and known for its impressive size and massive antlers.
C. mountain caribou
The mountain caribou is a woodland ecotype of caribou adapted to deep-snow, mountainous forests of the inland Pacific Northwest, where it relies heavily on arboreal lichens for winter forage.
D. Sierra Nevada bighorn sheep
The Sierra Nevada bighorn sheep is an endangered subspecies of bighorn sheep native to California’s Sierra Nevada mountains, known for its impressive curved horns and adaptation to steep, rocky alpine terrain.
E. Bison
Bison is the official mascot of Howard University, symbolizing the institution’s strength, resilience, and historic legacy.
F. None of above. chosen

Statements (52)

Predicate	Object
instanceOf	caribou herd ⓘ migratory caribou population ⓘ wildlife population ⓘ
coManagedWith	Gwich’in Tribal Council ⓘ linked to: Gwich’in Tribal Council (for Canadian Gwich’in) Indigenous governments ⓘ Inuvialuit organizations ⓘ linked to: Inuvialuit Game Council
commonName	Porcupine herd ⓘ linked to: Porcupine caribou herd
country	Canada ⓘ United States ⓘ linked to: United States of America
hasCalvingGroundsIn	coastal plain of the Arctic National Wildlife Refuge ⓘ northeastern Alaska ⓘ
hasWinterRangeIn	boreal forest of Northwest Territories ⓘ boreal forest of Yukon ⓘ interior Alaska ⓘ linked to: Interior Alaska
importantTo	Gwich’in people ⓘ linked to: Gwich’in Hän people ⓘ linked to: Hän Inuvialuit ⓘ linked to: Inuit Vuntut Gwitchin ⓘ
inhabitsBiome	Arctic tundra ⓘ
knownFor	cultural importance to Indigenous peoples ⓘ ecological importance ⓘ large herd size ⓘ long-distance migration ⓘ
migratesThrough	Alaska ⓘ Arctic National Wildlife Refuge ⓘ Canada ⓘ Northwest Territories ⓘ Porcupine River basin ⓘ linked to: Porcupine River region United States ⓘ linked to: United States of America Yukon ⓘ Yukon North Slope ⓘ linked to: Yukon
migrationDistance	over 2400 kilometers per year ⓘ
migrationPattern	cross-border migration between Alaska and Canada ⓘ seasonal north-south migration ⓘ
monitoredBy	Alaska Department of Fish and Game ⓘ Government of Canada ⓘ linked to: Canadian federal government (Ottawa) Government of Northwest Territories ⓘ linked to: Government of the Northwest Territories Government of Yukon ⓘ Porcupine Caribou Management Board ⓘ U.S. Fish and Wildlife Service ⓘ
namedAfter	Porcupine River NERFINISHED ⓘ
populationEstimateRange	approximately 150000 to 220000 animals ⓘ
provides	cultural identity for Indigenous communities ⓘ subsistence food for Indigenous communities ⓘ
roleInEcosystem	major herbivore of Arctic tundra ⓘ prey base for Arctic predators ⓘ
subjectOf	Porcupine Caribou Management Agreement ⓘ linked to: Agreement on the Conservation of the Porcupine Caribou Herd international conservation efforts ⓘ
taxon	Rangifer tarandus groenlandicus ⓘ
threatenedBy	climate change ⓘ habitat disturbance ⓘ oil and gas development in Arctic National Wildlife Refuge ⓘ

How these facts were elicited