From Birds Britannica: House Sparrow, Passer domesticus. VN: Spadge, Spug, Spuggy, Sprog, Sparrer, Spadgick, Squidgie, Speug, Spyug, Sparrag, Sporrow, Sparky, Spjugg, Sporra. Centuries ago in England, householders used to put out "sparrow pots" for birds to nest in. During breeding season, their eggs (and nestlings) could be harvested as a source of protein. In six years (1994-2000) London sparrows declined by 75%. In eastern England, the decline was 90% over thirty years.