Sputniks 5, 6, 9 & 10 also carried these animals into space, & most were recovered alive
The Soviet Sputnik 5 (Aug. [DOC] [TLE] Space Today Online - Animals - Dogs in Space [PAR] Russian dogs Strelka and Belka went into space aboard Sputnik 5 and ... on 
December 1, 1960 aboard Korabl-Sputnik-3, also known as Sputnik 6.