Background Articles

The field season at Beringia National Park revealed unusual environmental changes, including the disappearance of cranes, the unexpected appearance of walruses, and increased bear activity near human settlements, highlighting significant shifts in local wildlife patterns.

Researchers have relocated 20 Atlantic catfish to artificial kelp forest units in Melkøy Sound, Northern Norway, to test if reintroducing sea urchin predators can help restore kelp forests overgrazed by booming sea urchin populations.

Mike Shouldice of Rankin Inlet reports this summer’s caribou migration patterns have shifted, with far fewer animals passing through traditional routes and fewer visible signs such as hanging skins.

Tick observations in Lapland have doubled year-on-year, and a University of Turku study reports that a stable tick population is now established in Rovaniemi.

Reisa Elvelag has installed the country’s largest floating grate trap across the Reisa River in Nordreisa, blocking the river on July 26 and capturing 30 pink salmon within hours.

A tick found on the Avalon Peninsula tested positive for Lyme disease, but provincial health authorities say the risk to residents remains low.

The Norwegian Veterinary Institute begins building a trap at Seida to sort out invasive pink salmon migrating up the Tana River.

Tick populations are surging in the United States. Binghamton University experts offer tips to avoid tick bites. -

Warming temperatures and declining ice cover at Izembek Lagoon are leading thousands of Pacific black brant to overwinter in the Bering Sea instead of flying to southern wintering grounds.

A staple fish that fills freezers in Northwest Arctic could be expanding its habitat

A young wolverine found in a shed in downtown Turku in January was still exceptional. “Wolverines occasionally wander around southwestern Finland. However, the population is concentrated in the east, where conditions are more peaceful,” said Pinja-Emilia Lämsä, a doctoral researcher at Aalto University.

Mongolian President Khurelsukh Ukhnaa and the Prague Zoo director agreed on a project to reintroduce Przewalski’s horses to the Numrug Strictly Protected Area in Dornod aimag, building on three decades of conservation cooperation.

Thunderstorms are rare in the cold, dry Arctic, but a surprising event in August 2019 has scientists rethinking how these storms form in polar regions. A team of researchers from the University of Science and Technology of China has uncovered new insights into this phenomenon.

Thunderstorms are rare in the cold, dry Arctic, but a surprising event in August 2019 has scientists rethinking how these storms form in polar regions. A team of researchers from the University of Science and Technology of China has uncovered new insights into this phenomenon.

The mountain lion was the first reported sighting of the species in Southeast Alaska since 1998.

In recent years, researchers have documented salmon surviving in North Slope rivers, bowhead whales expanding their foraging grounds and humpbacks moving into the Arctic.

Invasive northern pike, traditionally freshwater fish, have been found swimming through Alaska's Cook Inlet, marking the first documented North American case of such behavior, according to a new study.

Snowy owls are migrating to Maine this winter due to an abundance of food in their Arctic breeding grounds. Observers are advised on ethical viewing practices to avoid disturbing these birds.

Proposals have been submitted to the Alaska Board of Fisheries to establish a commercial jig fishery for magister squid in Southeast Alaska, potentially benefiting local fishermen and affecting marine ecosystems.

A new conservation initiative allows the Nuiqsut community and its Native corporation to oversee 1 million acres around Teshekpuk Lake to protect caribou habitat from oil drilling impacts.