“It’s clear evidence these chemicals can affect populations.” Image-Scientists in Saskatchewan found that consuming small amounts of neonicotinoids led white-crowned sparrows to lose significant amounts of weight and delay migration, threatening their ability to reproduce. (Photo: Jen Goellnitz/Flickr/cc) In addition to devastating effects on bee populations and the pollination needed to feed humans and other […]
Adult sockeye salmon returning to spawn in the lakes of Bristol Bay, Alaska.Jason Ching/University of Washington An ample buffet of freshwater food, brought on by climate change, is altering the life history of one of the world’s most important salmon species. Sockeye salmon in Alaska’s Bristol Bay region are skipping an entire year […]
Similar to how children learn, often unconsciously, to mimic the adults around them, a small, silvery ocean fish employs this tactic when teaching the next generation to find a suitable place to reproduce. Scientists have named the strategy “go with the older fish,” and it describes a key part of the Pacific herring lifecycle […]
[dropcap]N[/dropcap]EWPORT, Ore. – Blue whales reach their massive size by relying on their exceptional memories to find historically productive feeding sites rather than responding in real time to emerging prey patches, a new study concludes. Researchers examining records of both whale migration and oceanic conditions in the California Current Ecosystem found that blue whales almost perfectly […]