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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Research, conservation and new discoveries
A continuing selection of new studies, conservation projects and important developments connected to species in the archive.
Rhinos Responded Differently to an Unfamiliar Basket
Black rhinos sniffed, snorted and retreated more often than white rhinos when an unfamiliar basket was placed in…
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Arctic Moose Follow the River Valleys
GPS tracking in Alaska showed that half of 24 female moose migrated between summer and winter ranges. Migrants…
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Common Starling Parents Called Less Often as Their Nestlings Grew Older
Common starling parents called on 62% of feeding visits when chicks were two days old but only 4%…
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Colour-Banded Eider Linked Nunavut and Iceland More Than 2,800 Kilometres Apart
A male northern common eider banded on East Bay Island, Nunavut, in 2023 was filmed in western Iceland…
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Northern Pintail Breeding Estimate Was 2.0 Million, 48% Below the Long-Term Average
The 2026 North American waterfowl status report estimated 2.0 million breeding northern pintails in the traditional survey area,…
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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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Only About Half of American Common Eider Females Were Estimated to Breed in a Given Year
Satellite tracking of 123 females across Maine and eastern Canada estimated overall breeding propensity at 53%, while regional…
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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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Coyotes Chose Steep Slopes and Stable Soils for Dens in Elk Island National Park
A study of 42 coyote dens in Elk Island National Park found that steep slopes, stable soils and…
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Mange in Coyotes Varied With Urban Density and Habitat Connectivity Across North American Cities
Camera-trap data linked visible mange in coyotes to urban intensity and habitat connectivity at two spatial scales, while…
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91% of Wild Muskoxen Examined Had Enamel Cracks in the Canadian Arctic
Researchers examining 243 lower jaws from wild muskoxen in the Canadian Arctic found enamel cracks in 91.4% of…
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Opposite Spring Migration Strategies Were Linked to Breeding Success in Male and Female Dunlins
Tracked dunlins near Churchill showed opposite links between spring migration and breeding: shorter, more direct routes were associated…
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Snow and Spring Green-Up Predicted When Moose Visits Peaked at Roadside Mineral Licks
A 12-year camera-trap study at four roadside mineral licks in British Columbia found that snowpack and spring green-up…
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Female Moose Were More Likely to Migrate When Winter Ranges Had More Wildfire Disturbance
GPS data from 461 female moose in central British Columbia showed that spring migration was more likely when…
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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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House Finch Reached a Record 667 in Alberta’s 2026 May Bird Count
Volunteers recorded 667 House Finches in Alberta’s 2026 May Bird Count, the highest total for the species in…
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Alberta Wild-Pig Reports Clustered Near Livestock Farms, but Direct Contact Was Rare
Wild-pig reports in Alberta occurred closer to livestock farms than expected from random locations, and 22% of analysed…
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