Petra Wegner / White Swiss Shepherd Dog, bitch, age 10 years resting on rug.

Michel Poinsignon / Berger's Clouded Yellow Butterfly (Colias alfacariensis) pair mating, Ottange, Lorraine, France, October.

Thomas Marent / Berger's Clouded Yellow (Colias alfacariensis) butterfly, Switzerland

Thomas Marent / Berger's Clouded Yellow (Colias alfacariensis) adult butterfly newly emerged from chrysalis, Switzerland

Thomas Marent / Berger's Clouded Yellow (Colias alfacariensis) chrysalis, Switzerland, sequence 3 of 3

Thomas Marent / Berger's Clouded Yellow (Colias alfacariensis) chrysalis, Switzerland, sequence 2 of 3

Thomas Marent / Berger's Clouded Yellow (Colias alfacariensis) caterpillar transforming into chrysalis, Switzerland, sequence 1 of 3

Thomas Marent / Berger's Clouded Yellow (Colias alfacariensis) caterpillar, Switzerland

Petra Wegner / Briard / Berger de Brie, puppy standing in travel cage, 9 weeks

Petra Wegner / Two Briard / Berger de Brie puppies playing by cuddly toy, 9 weeks

Petra Wegner / Briard / Berger de Brie, puppy, sitting, 9 weeks

Petra Wegner / Briard / Berger de Brie, puppy, lying down, 9 weeks