European tree frogs are often accidentally imported with flowers coming into the Netherlands. The sheer volume of cut flowers and ornamental plants being traded at speed around the world makes it ...

At first he thought it was a prank, because he didn't recognize it as any European species. When he realized it was a tree-frog that must have arrived with the cut roses from Colombia via Ecuador ...

Constant exposure to the sounds of a busy road can impact a male European tree frog’s stress levels, immune system, and vocal sac coloration, scientists show. To study the effects of road noise on ...

Seven newly discovered species from the tree frog genus Boophis ... sound like a bird or an insect. "If the frogs just ...

A member of the Hydrocharitaceae family, European frog-bit (EFB) was initially introduced in the 1930s as an escapee from an Ontario arboretum. Populations can now be found throughout the Great Lakes ...