Fearless sea urchins stripping underwater forests

A new study led by The University of Western Australia and the Centre of Advanced Studies of Blanes in Spain has found that sea urchins' fear of predators plays a key role in the health of underwater forests, which are declining ...

Marine protected reserves do more than restore fish

In a new analysis of the effectiveness of marine protected areas worldwide, University of Massachusetts Amherst marine ecologist Brian Cheng and colleagues report that reserves not only replenish target fish populations, ...

Invasive crayfish sabotages its own success, study says

Since they were first released as live bait in the mid-twentieth century, rusty crayfish have roamed lake bottoms in northern Wisconsin, gobbling native fish eggs, destroying aquatic plants, and generally wreaking havoc on ...

New study examines role of sea urchins on California kelp

California sheephead and spiny lobsters may be helping control sea urchin populations in Southern California kelp forests, where sea otters—a top urchin predator—have long been missing, according to a new San Diego State ...

Hungry moose more tolerant of wolves' presence: study

Driven by the need for food, moose in western Wyoming are less likely to change their behavior to avoid wolves as winter progresses, according to new research by University of Wyoming scientists.

Pika survival rates dry up with low moisture

Although it has been ranked as the cutest creature in US National Parks, the American pika is tough, at home in loose alpine rocks in windswept mountain regions. Related to rabbits and hares, pikas live in cold, wet climates ...

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