A Colombian tree-frog found in a bunch of roses at a Sheffield florist is a warning of the rising danger of invasive species found on imported plants, scientists have said. A growing number of ...

These "hitchhiking intruders" have included a tree frog that emerged from roses at a florist's shop in Sheffield and snakes discovered in ornamental olive trees shipped across mainland Europe.

"I saw this beautiful frog, took a photo, put it on the website and a couple of days later people told me it is invasive," Mr Moretto said. The amphibian, which turned out to be a Peron's tree ...

Framing the incident as a ‘cold case’, Lips recalls how, upon returning to a once-thriving ecosystem where she had researched the metamorphoses of Isthmohyla calypsa, a small tree frog, she was ...