- The nest of a small species of swallow found on the coasts of Southeast Asia. The birds, which consume a lot of seaweed, secrete a gelatinous saliva which they use to construct the nest. This is used to make a soup which is more renowned for its texture than its flavour but is regarded as a health food by the Chinese to prevent brittle bones in old age. There may be some scientific justification for this.
- A nest made from raw straw potatoes deep-fried between nesting frying baskets