Born on 11 January 1930 in Kaunas.
Died on 03.11.2001 in Kaunas. Buried in Vilnius.
In 1937-1942 he attended Raudondvaris Primary School, in 1942-1949 Kaunas 8th Gymnasium and Vilnius 1st Boys' Gymnasium. In 1949-1954 he studied Lithuanian language and literature and journalism at the Faculty of History and Philology of Vilnius University. 1954-1956 - editor of the State Publishing House of Political and Scientific Literature. 1956-1962 - literary worker and head of the editorial department of the magazine "Švyturys". 1962-1963 Deputy Editor of the newspaper "Tėvynės balsas". 1963-1964 Deputy Editor-in-Chief, Editor-in-Chief of the magazine "Mūsų girios". In 1963-1965 he was a free listener at the Faculty of Nature of Vilnius University and the Faculty of Forestry of the Lithuanian Academy of Agriculture, where he taught selected subjects. Editor of the journal "Our Nature", founded on his initiative in 1964-1993, editor of the section in 1993-1996. 1995-1996, reviewer of the magazine "Santara". He began publishing his works in 1947. He compiled the photo album "Lithuanian Nature" and the "Hunter's and Fisherman's Guide". He wrote scripts for the documentary film sketches "Skriskite, baltosios gulbės" ("Fly, White Swans") (1965), "Ežeruosna wróžta vasara" ("Summer Returns to the Lakes") (1966). His short stories and works of fiction have been translated into Russian, Ukrainian, English, German and other languages. Aliases of R. Budrys: R. Budvietis, R. Girdvainis, etc.