Human noise pushes Alaska predators toward night foraging, altering salmon nutrient pathways

The age-old question asks, "If a tree falls in a forest and no one is around to hear it, does it make a sound?" While ...
Phys.org

Jackdaw chicks listen to adults to learn about predators

Jackdaw chicks learn about predators by listening to adults, new research shows. Scientists played recordings of predator calls to chicks in their nests—and paired the sounds with either adult jackdaw ...
ecoportal.net

Researchers have tracked 13 whales fleeing across the Pacific from a strange sound humans cannot hear, as if an invisible predator were chasing them

Thirteen whales suddenly changed direction across the Pacific Ocean. They abandoned feeding areas and altered deep-diving patterns. Researchers say the whales reacted like prey animals, detecting ...