Northern pike are native to Alaska north and west of the Alaska Range but were illegally introduced to Southcentral in the 1950s, where they have spread to more than 150 water bodies. As apex predators, pike have greatly altered many aquatic ecosystems. A free Zoom webinar from noon-1 p.m. on Wednesday, March 18, will […]
Fish-eating killer whales in southern Alaska have a diverse, seasonally changing diet featuring salmon and groundfish, according to a recently published study in the journal Ecosphere. The types of fish consumed also differ greatly across foraging hotspots in the region. Scientists have been observing killer whales in Prince William Sound and Kenai Fjords as part of […]
New research shows a single year of warmer-than-average Arctic temperatures can cause malnutrition in Arctic seals, intensifying risks to Inuit food security and northern ecosystems already under pressure from environmental toxins, warn Simon Fraser University researchers. The SFU study found Arctic ringed seals are struggling to clear persistent contaminants and banned pesticides from their bodies — a long‑term […]
Inuit–researcher collaboration provides the first direct evidence that Arctic marine predators feed intensively at tidewater glacier fronts Studying foraging behavior in marine mammals is especially difficult. Unlike terrestrial animals, which can often be directly observed, marine mammals feed underwater and across vast, remote areas, making it challenging to determine where and what they eat. […]