Jane Burton / Two Rough coated Jack Russell Terrier puppies playing with boot lace

Jane Burton / Rough coated Jack Russell Terrier puppy, tan and white, with a boot

Gavin Hellier / Shoe shining work infront of Cathedral Metropolitana and modern office building in Plaza de Armas, Santiago, Chile, 2008

Mark Taylor / Blue-and-white Jack Russell Terrier pup, Scamp, chewing a child's shoe while playful blue-and-white Kitten tries to join in.

Mark Hamblin / 2020VISION / Great tit (Parus major) perched on person's foot, Pembrokeshire Coast National Park, Wales, UK, May.

Martin Willis / Tiger Snake (Notechis scutatus) biting shoe after being stepped on, Traralgon, Victoria, Australia

Loic Poidevin / Horned / Shoe lark (Eremophila alpestris) fluffed up standing on snow, Quebec, Canada, March

Bryan and Cherry Alexander / Hiking in the Patriot Hills as part of the Antarctic Experience. West Antarctica, January 2006.

Ernie Janes / man walks past Adder (Vipera berus) on heathland footpath, UK

Mark Taylor / Yellow Labrador Retriever puppy, 8 weeks, with a child's shoe.

Mark Taylor / Yellow Labrador Retriever puppy, 8 weeks, chewing a child's shoe.

Mark Taylor / Yellow Labrador Retriever puppy, 8 weeks, chewing a child's shoe.