A cheeky flock of egrets forged an unlikely friendship with some zebras by hitching a ride on their backs at a reserve in South Africa. The birds 'love' travelling with the stripey animals at Rietvlei ...

A decade ago, when news broke that zebra mussels had found their way to Cass Lake, I was dismayed but not surprised. Since escaping from the ballast of an ocean-going vessel in Lake Superior sometime ...

Anglers catching fish in zebra mussel-infested lakes may be reeling in adult walleyes with mercury content 72% higher and perch with 157% higher levels than those being caught on non-infested lakes.

Nine species of water plants that were on the verge of extinction in Lake Erie have made an abrupt recovery. In Wisconsin, duck species that had long been in decline suddenly are showing up in huge ...

While phenotypic responses to direct species interactions are well studied, we know little about the consequences of indirect interactions for phenotypic divergence. In this study we used lakes with ...

At some point in the past decade, the yellow perch, a freshwater fish found across Canada, changed its diet. The good news is that the perch started eating invasive quagga mussels, a close cousin of ...

A new study has found another negative effect of invasive zebra mussels in lakes: higher levels of mercury in fish. Researchers from the University of Minnesota, the U.S. Geological Survey and other ...