Never smile at a crocodile—or sit on its face and drink its tears. Yet that’s exactly what ecologist Carlos de la Rosa spotted a butterfly and a bee doing this past December as he boated down Costa Rica’s Puerto Viejo River. Leer más.

The European Parliament today adopted legislative plans to prevent the introduction and manage the spread in the EU of invasive alien species (IAS) of plants, animals or insects that cause ecological and economic damage. The legislation aims to tackle the threat through better, more coordinated action by member states, and provides for a ban on species declared to be of «Union concern». Leer más.