KnowraRumenLinked fromLinked fromThe 17 pages that link to Rumen, each with the reason it gives.All 17Broader topic 10Related 4Compared with 3Crop (anatomy)Compared with: Both can hold food before further processing, but the rumen is a major fermentation chamber.CecumCompared with: It performs extensive foregut fermentation, unlike the cecum's hindgut fermentation.HoatzinCompared with: Like a rumen, the hoatzin's crop supports fermentation, but the bird has no multi-chambered stomach.