河獺[oso] otter (Lutra lutra)
獺虎[rakko] sea otter (Enhydra lutris)
獺祭[dassai] arraying a number of reference books in order to compose poetry
ユーラシア川獺[yuurashiakawauso] European otter (Lutra lutra)

海獺[umiuso] sea lion
小爪川獺[kotsumekawauso] Asian small-clawed otter (Aonyx cinerea)
獺魚を祭る[kawausouowomatsuru] one of the 72 climates (from the 16th to the 20th of the first lunar month)

虎の巻[toranomaki] crib notes
虎燕拳[koenken] Tiger Swallow Fist
虎刈り[toragari] close-cropped (head)
虎巻[torakan] crib notes
虎魚[okoze] stingfish

虎穴[koketsu] tiger's den
虎口[kokou] tiger's den
虎狩り[toragari] tiger hunt
虎猫[toraneko] ocelot (feline, Felis pardalis)