Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Savi's Warbler - The Savi's Warbler (Locustella luscinioides) is a species of Old World warbler in the grass warbler genus Locustella. It breeds in southern Europe and temperate western Asia. It is migratory wintering in northern and sub-Saharan Africa.This small passerine bird is found in reed beds usually with some bushes. Three to six eggs are laid in a nest in reeds.
A:
Animal