agility
animal
animals in the wild
brown
carnivore
countryside
environmental conservation
european otter
full length
fur
living organism
lutrinae
mammal
marten
moistness
nature
no one
nobody
one animal
otter
outdoors
outside
pace
pawed mammal
riparian
riverbank
riverside
sea life
single animal
speed
splashing
stone
swimming animal
tempo
the natural world
velocity
water
water surface
waterfront
waters edge
wet
wildlife