Water managers and state wildlife officials last year hoped the discovery of a microscopic zebra mussel larva in the Colorado River was a one-time event, not a sign of a larger problem lurking beneath ...

The vulnerable species is rarely seen in zoos worldwide, with only 80 currently in human care.

Discoveries of the invasive and damaging zebra mussels have been piling up in Western Colorado, with recent detections in Eagle County, the Colorado River and other waterways. Zebra mussels — and ...

Zebra mussels, an invasive species, have been confirmed in Lake Memphremagog on the U.S. side, posing environmental and economic threats. The mussels were first detected on the Canadian side of the ...

A zoo in Chicago recently welcomed a stripey new addition to its family.A 16-year-old Grevy’s zebra named Adia gave birth to a “strong, female foal” at the Lincoln Park Zoo on Aug. 21, according to a ...