Inuit harvesters help detect an emerging parasitic disease in Arctic caribou
Near Kugluktuk in Nunavut, Inuit harvesters reported unusual tissue changes in caribou. Tests found DNA from two parasitic…
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News about Reindeer
Research, conservation and important developments connected to this species.
Video Collars Showed GPS Methods Were Only About 70% Accurate at Detecting Caribou Calving
Video collars from 160 adult females in the Porcupine and Western Arctic herds showed that two GPS movement…
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Reindeer and Caribou Showed Broad Genetic Differences Across Russia, Alaska and Canada
Microsatellite data from 1,544 reindeer and caribou in 42 populations showed broad genetic differentiation among Russia, Alaska and…
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Decades of Reindeer Exclusion Raised Lichen Biomass 4.5-fold and Changed Soil Carbon
Long-term reindeer exclosures in three northern Finnish pine forests had 4.5 times more lichen biomass, moister and cooler…
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Nunavut Raised Baffin Island Caribou Harvest Limit From 550 to 6,000
Nunavut increased the total allowable harvest of Baffin Island caribou more than tenfold for 2026–27, citing updated population…
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Twelve Western Canadian Caribou Subpopulations Had Estimated Effective Population Size Below 50
Among 32 western Canadian caribou subpopulations where contemporary effective population size could be estimated, 12 had point estimates…
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Only One in Five Analysed Canadian Species at Risk Overlapped Woodland Caribou Range
Of 461 Canadian species at risk with usable range and threat data, 94 overlapped woodland caribou range and…
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Thirteen Recently Dead Svalbard Reindeer Found During Summer Counts
Summer population counts in Adventdalen, Reindalen and adjoining valleys found 13 recently dead Svalbard reindeer — 11 females…
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Wild–Feral Allele Sharing Was Higher in Reindeer Genomic Regions With Selection Signals
Genomic data from 50 reindeer in six southern Norwegian populations found excess allele sharing between wild and feral…
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Only Two Svalbard Reindeer Carcasses Were Found in Adventdalen, the Fewest Since 1979
The 2026 Adventdalen count recorded 1,503 Svalbard reindeer and only two carcasses, compared with 302 carcasses in 2025;…
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Caribou Crossed Elevated Pipelines More Readily but Were Less Likely to Cross Both Roads and Pipelines When Separated
Telemetry from 75 adult female Central Arctic Herd caribou in Alaska showed higher crossing probability at pipelines elevated…
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Woodland Caribou Selected Regenerating Clearcuts With More Forage and Higher Predator Activity
Woodland caribou in west-central British Columbia selected regenerating clearcuts up to 25 years old during summer. These sites…
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Aerial Surveys Estimated 126,623 Reindeer in West Greenland
Helicopter surveys in three West Greenland regions gave a design-based estimate of 126,623 reindeer. A spatial model estimated…
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Heart Rate, Breathing Rate and Body Temperature Fell as Hand-reared Reindeer Calves Grew
Daily measurements from hand-reared reindeer calves in Alaska showed that heart rate, respiratory rate and body temperature declined…
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Model Exposes Hard Trade-offs in Managing Moose, Wolves and Caribou
A 50-year Ontario simulation found that combined, moderate interventions balanced the three species better than any single measure,…
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Woodland Caribou Genomics Revealed Nested Genetic Groups That Crossed Some Management Boundaries
About 33,000 SNP markers from 759 woodland caribou in British Columbia and Alberta revealed genetic structure from broad…
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Parasites and Insect Harassment Lowered Modeled Bathurst Caribou Population Size
A bioenergetic model parameterized for Canada’s Bathurst herd found that gastrointestinal nematodes, warble flies and insect harassment could…
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Pleistocene Reindeer Teeth Revealed Flexible Diets Across Changing European Environments
Dental microwear and mesowear in fossil reindeer from Britain and France showed a flexible dietary niche through the…
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Hand-reared Caribou Calves Drank Less Milk as Daily Maximum Temperatures Rose
In five hand-reared Alaska caribou calves, each 1°C increase in maximum daily temperature was associated with about 14…
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Logging and Wildfire Were Projected to Leave More Moose and Bear Forage but Less Caribou Forage for Decades
Forest-growth models for Alberta projected that the first decades after timber harvest and wildfire would generally provide more…
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