Male and Female Fallow Deer Followed Different Daily Schedules Outside the Rut
In 4,114 sexed camera-trap detections from a Dutch dune reserve, fallow deer favoured twilight and night. Outside the…
Read story →WILDLIFE IN THE NEWS
Research, conservation and new discoveries
A continuing selection of new studies, conservation projects and important developments connected to species in the archive.
Immigration Could Both Change and Stabilise Great Tits’ Clutch Sizes
On the Dutch island of Vlieland, incoming great tits could both counter a trend towards fewer eggs and…
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Hooded Crows Were Linked to 87 Reported West Nile Virus Bird Outbreaks in Europe
The September ECDC–EFSA report linked hooded crows to 87 reported West Nile virus bird outbreaks, Eurasian magpies to…
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Dutch Wild Boar Showed Evidence of West Nile Virus Infection Before First Human Cases
Serology from 1,504 Dutch wild boar indicated West Nile virus infections in or before 2018, two years before…
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Six of Seven GPS-Tracked Great Egrets Returned to the Same Wintering Grounds
Six of seven great egrets tracked across at least two complete winters returned to the same wintering grounds;…
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Common Tern Eggs Had More PCBs, HCB and Mercury Than Oystercatcher Eggs in 40-Year Wadden Sea Study
Monitoring from 1981–2023 found higher PCB, HCB and mercury levels in common tern eggs than in Eurasian oystercatcher…
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Golden Jackal Added to Dutch National Protection Regime
A Dutch royal decree published 10 July 2026 added golden jackal to Annex IX of the national Activities…
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Inheritance and Early-life Environment Both Shaped Pied Flycatcher Nonbreeding Areas
Tracking across the breeding range and a Netherlands–Sweden egg-translocation experiment showed that both inheritance and natal environment influence…
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Female Pied Avocets Migrated Farther Than Males
The standardized migration-distance measure averaged 1,928 kilometres for GPS-tracked female pied avocets and 1,277 for males; females also…
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Latitude Shaped Redshank Arrival While Breeding Outcome Shaped Departure Across Europe
GPS tracking of 85 adult common redshanks across European breeding landscapes found spring arrival about two days later…
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H5N1 Outbreak Killed at Least 8,137 Black-headed Gulls and 614 Common Terns in Germany
A 2026 reconstruction of Germany's 2023 H5N1 outbreak documented at least 8,137 dead adult black-headed gulls and 614…
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East Greenland Barnacle Geese Fell to 65,516 While the Russian Flyway Held Near 1.5 Million
AEWA’s 2026 assessment estimated 65,516 East Greenland barnacle geese in March 2026, down from earlier peaks of 80,000,…
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North-west European Greylag Goose Winter Population Estimated at 802,320
The north-west European greylag goose population was estimated at 802,320 wintering birds in January 2025, well above the…
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Portugal’s Eurasian Red Squirrels Showed Markedly Low Mitochondrial Diversity
The most comprehensive genetic sampling of Eurasian Red Squirrels in Portugal to date found markedly low mitochondrial diversity,…
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Fifteen of 28 tagged harbour seals entered Dutch offshore wind farms
Fifteen of 28 tagged harbour seals entered Dutch offshore wind farms, while six showed possible prey-capture attempts within…
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Different Parts of the Same Starling Flock Used Different Escape Patterns Simultaneously
RobotFalcon field trials showed that one part of a starling flock could turn while another split, dived or…
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Seasonal Microbiome Shifts Were Not Matched by Detectable Plant-Diet Changes in Groningen Pigeons
Feral pigeons sampled in Groningen in winter and summer showed seasonal changes in cloacal bacterial communities, while no…
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GPS-tracked Northern Pintails Shifted Toward Daytime Flight During Spring Migration
Twenty-two GPS-tracked Northern Pintails showed a gradual shift toward more daytime migration as they moved northeast from northern…
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Ring Recoveries Mapped Two Major African Flyways for Western Palearctic Common Terns
Thousands of ringing recoveries showed western-breeding common terns mainly used the East Atlantic flyway, while central and eastern…
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Dutch Little Ringed Plovers Used Saline and Brackish Habitats During Migration
Geolocators and conductivity sensors showed that Dutch-breeding little ringed plovers used saline and brackish stopover habitats during migration,…
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