860-291565 - Eastern grey squirrel (Sciurus carolinensis) perched on a branch and watching. A case of melanism. This squirrel is a grey squirrel with a defective pigment gene given by the fox squirrel (Sciurus niger), which makes the colour of its fur darker. Mauricie region. Quebec. Canada
832-400112 - Eurasian red squirrel (Sciurus vulgaris), standing attentively on a tree trunk overgrown with moss, rodent, Siegerland, North Rhine-Westphalia, Germany, Europe
83-13256 - Eastern grey squirrel (Sciurus carolinensis) in garden, an invasive species from North America, Henley-on-Thames, Oxfordshire, England, United Kingdom, Europe