Although its host plant is native to Pittsburgh, no sightings of zebra swallowtail butterflies had been reported in 87 years.

Aside from two waterfleas, the invasive species living in Lake Erie are very similar to those taking over the rest of the ...

A butterfly species not logged in Pittsburgh since 1937 had reappeared, thanks to enthusiasts for a native fruit tree, and warming weather.

The animal kingdom is a beautiful place, packed to the brim with diversity. One of the most iconic symbols of the animal ...

Taking up little to no space, rarely swimming long distances, and happy to eat fresh, frozen, or dried foods, Clownfish or ...

A zebra and giraffe poked their heads through a tourist's car window to ask for carrots. Footage shows the animals at the safari zoo taking turns to eat vegetables from the visitor's hand in ...

mostly by causing a lack of zooplankton for young perch to eat. But the quagga is known to many as the "bigger and badder" cousin of the zebra. In recent decades in North American waters the ...

Revered by the Indigenous Mbuti and Efe tribes as a spiritual symbol and uplifted by the Democratic Republic of Congo as a ...

Kansas wildlife officials are working to bring the numbers of an invasive fish species down and are asking anglers to pitch ...

Quagga mussels have been documented in Geneva Lake in Walworth County, the first finding of the aquatic invasive species in a ...

Her favorite moments include watching lions eat a zebra carcass on the equator and discovering fossils last butchered and eaten by one of her 1.5 million year old ancestors. (11:34) Take a Look ...

Because zebras and ostriches are prey for faster animals ... you might assume the tarantula wouldn't eat the frog because the frog tastes bad. But there's more to this unexpected mutualistic ...