The Wikipedia article of the day for June 20, 2021 is Pisco sour. A pisco sour is a cocktail typical of South American cuisine. The drink’s name is a combination of the word pisco, which is its base liquor, and the term sour, in reference to sour citrus juice and sweetener components. Chile and Peru both claim the pisco sour as their national drink, and each asserts exclusive ownership of both pisco and the cocktail. The Peruvian pisco sour uses Peruvian pisco as the base liquor and adds Key lime (or lemon) juice, syrup, ice, egg white, and Angostura bitters. The Chilean version is similar, but uses Chilean pisco and Pica lemon, and excludes the bitters and egg white. The…

The Wikipedia article of the day for June 19, 2021 is Rock martin. The rock martin (Ptyonoprogne fuligula) is a small swallow that is resident in central and southern Africa. It breeds in the mountains, and at lower levels in rocky areas and towns. It has mainly brown plumage and white “windows” on the spread tail. Its call is a soft twitter. The sexes are similar in appearance. The martin hunts along cliff faces for flying insects. It breeds under cliff overhangs or on man-made structures using mud pellets to build a bowl or half-bowl nest with a soft lining. The bird is a solitary breeder, but small groups may nest close together in suitable locations. A typical clutch has…