Uniformity of prey can yield a spider-eat-spider world

A limited menu of prey may weave a tangled food web by emboldening wolf spiders of multiple species to dine on each other and even cannibalize their own, says a study from the University of Nebraska–Lincoln.

Study shows bird feeding helps small birds fight infection

Seeds and fat balls do more than just fill small birds' stomachs. New research from Lund University in Sweden shows that feeding during the wintertime causes birds to be healthier, since they do not have to expend as much ...

Analyzing the fat of killer whales reveals what they eat

Scientists are studying the diets of the ocean's top predators as they change in response to their environments. This is because how much and what they eat can affect how ecosystems function.

Observing group-living animals with drones and computer vision

A drone is flying over a herd of plains zebras in central Kenya. It is flying quite high so that the animals are not bothered by it. These zebras are really interesting for collective and spatial behavior studies, according ...

How disgust-related avoidance behaviors help animals survive

Animals risk getting sick every day, just like humans, but how do they deal with that risk? An international team led by Dr. Cecile Sarabian from the University of Hong Kong (HKU) examines the use of disgust-related avoidance ...

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