As the sun descends behind sand dunes and wind-carved escarpments, central Qatar’s Al Rayyan region gets a reprieve from the intense heat of day. In the calm of twilight, a once-foreign sound emerges: ...

The invasive guttural toad. Author supplied. The guttural toad (Sclerophrys gutturalis) is a common amphibian found in much of sub-Saharan Africa, from Angola to Kenya and down to eastern South Africa ...

Common toads, with their heavy-set bodies and short limbs, are regarded as typical terrestrial amphibians. “There is no shortage of papers on common toads; they are a very well-studied species,” says ...