- Who
- Darwin’s bark spider (Caerostris darwini)
- Where
- Madagascar ()
- When
- 2011
The world’s longest cobwebs, spanning up to 25 m (82 ft), are woven by a newly-discovered species of Madagascan spider known as Darwin’s bark spider (Caerostris darwini). It weaves them over flowing rivers by a mechanism as yet undocumented, so that they stretch from one bank to the opposite bank.
