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lontras n
nat.sc., agric.	otters (Lutrinae spp.)
lontra n
environ., nat.res.	otters (Lutrinae spp.)
mamm.	otter (Lutra lutra)
nat.res.	Eurasian otter (Lutra lutra); common otter (Lutra lutra); European otter (Lutra lutra); Old World otter (Lutra lutra); otter (Lutra lutra)
Portuguese thesaurus
lontra n
mamm.	vidra (Lutra lutra)

lontras: 32 phrases in 3 subjects

Environment	12
Life sciences	3
Natural resourses and wildlife conservation	17