Nick Upton / Pair of Grey seals (Halichoerus grypus) adjusting their positions on a sandy beach as the tide rises, Norfolk, England, UK, January.

Juan Manuel Borrero / Illustration of Greater White-toothed Shrew (Crocidura russula). Pencil and watercolor painting.

Daniel Heuclin / White-toothed pygmy / Etruscan shrew (Suncus etruscus) on acorns, Aude, France, controlled conditions, The smallest known mammal (weighing about 2g)

Daniel Heuclin / Scientist feeding a recently captured Greater white toothed shrew (Crocidura russula) Aude, France

Daniel Heuclin / Greater white toothed shrews (Crocidura russula) following each other in line, France

Georgi Tzonev / Lesser white toothed shrew {Crocidura sauveolens} bringing prey to feed babies, Sinemoretz, Bulgaria

Georgi Tzonev / Lesser white toothed shrew {Crocidura sauveolens} with insect prey, Sinemoretz, Bulgaria

Bruno D'Amicis / Bicoloured white-toothed shrew (Crocidura leucodon) grooming in burrow on muddy ground. Central Italy.

Bruno D'Amicis / Lesser white toothed shrew (Crocidura suaveolens) on forest floor, Central Italy

Bruno D'Amicis / Bicoloured white-toothed shrew (Crocidura leucodon) in burrow on muddy ground, Central Italy.

Georgi Tzonev / Lesser white toothed shrew {Crocidura sauveolens} with insect prey, Sinemoretz, Bulgaria

Andrew Cooper / Lesser white toothed shrew (Crocidura sauveolens) with young 'caravanning'.Scilly Isles

Georgi Tzonev / Lesser white toothed shrew {Crocidura sauveolens} bringing insect prey to feed babies, Sinemoretz, Bulgaria