A mother otter with wet fur calling her cubs to her on the shoreline

scottish wildlife eurasian otter otters calling mother otter otters mustelid wildlife mammal isle of mull nature programme protected species boggy animal hunting calling cubs wetland adult grass mammalia wet fur environment scotland habitat wilderness carnivore lutra lutra in the wild eurasian uk wild behaviour brown spring eye level nature close up national face british water landscape outdoors background natural european close outdoor beautiful europe