tubercle spider crab (cyclocoeloma tuberculata) with sea anemone, bohol sea, philippines - 共生 個照片及圖片檔螃蟹, 海葵
beard lichen (usnea), vegetation in the cloud forest, los quetzales national park, san gerardo de dota, san jose province, costa rica - 共生 個照片及圖片檔
hippopotamus (hippopotamuspotamus amphibicus), in stagnant waters with aquatic plants, grauhreiher on the back, south luangwa national park, zambia - 共生 個照片及圖片檔
bright colours, birches and rocks with reindeer lichen, fjell in autumn, rondane national park, norway - 共生 個照片及圖片檔
bright colours, mountain birch (betula pubescens) and rocks with reindeer lichen, fjell in autumn, rondane national park, norway - 共生 個照片及圖片檔