Size Duel deck / Sport, food and everyday things
Ostrich egg
Mass: whole fresh egg in its shell
about 1.5 kg (3.31 lb)
Range used for fair duels: 1.1 kg to 1.95 kg.
The largest egg of any living bird.
Sources and checks
Checked 2026-10-21: Researched by Codex (two independent publishers, verbatim quotes); every counted quote re-found on its page by the server check (content-verify); scope and plausibility reviewed by Claude (AI build agent). Quotes are short passages from each source.
“1.5 kg”Turkish Journal of Veterinary and Animal Sciences, Cooper et al.: source, retrieved 2026-10-21; quote re-found by the server check
“1,500 grams”San Diego Zoo Wildlife Alliance: source, retrieved 2026-10-21; quote re-found by the server check
“1100 and 1950 g”Elsevier ScienceDirect Topics, food science chapter excerpt: source, retrieved 2026-10-21; server could not read it (403); not found by Codex
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