American Newsreel about Belka and Strelka (Sputnik 5) - english
SPUTNIK 1, 2, 3, 4, 5, 6, 7, 9, 10
Belka and Strelka Russian space dogs
Belka and Strelka spent a day in space aboard Korabl-Sputnik 2 before safely returning to Earth. They were accompanied by a grey rabbit, 42 mice, two rats, flies and several plants and fungi. All passengers survived. They were the first Earth-born creatures to go into orbit and return alive.