Terry Whittaker / Juvenile Red fox (Vulpes vulpes) interacting with and trying to play with an adult in an urban garden, Greater Manchester, UK, August. Filmed using a camera trap.

Chris Gomersall / 2020VISION / Yellow wagtail (Motacilla flava flavissima) adult female perched in oilseed rape crop (Brassica napus) on arable farm, Hertfordshire, UK, April. Did you know? Although wagtails are almost constantly w...

Dave Bevan / Herd of Pere David's deer (Elaphurus davidianus) crossing a road in a park, watched by a woman with a terrier, Carmarthenshire, Wales, UK. September. Captive.

Mark Taylor / Black Cocker Spaniel puppy standing, against white background

Petra Wegner / Irish Terrier portrait, standing in profile, with tail wagging

Petra Wegner / Irish Terrier portrait, standing in profile with tail wagging

Petra Wegner / Irish Terrier portrait, standing, with tail wagging

Nature Production / Striped / Striated Frogfish {Antennarius striatus} attracting juvenile Green Fish {Girella punctata} by wagging its lure, captive, Japan

Nature Production / Striped / Striated Frogfish {Antennarius striatus} attracting juvenile Green Fish {Girella punctata} by wagging its lure, captive, Japan

Jane Burton / Golden Retriever lying down, panting and wagging her tail.

Jane Burton / Border Collie-cross bitch Bliss lying head up, tail wagging and ears down.

Petra Wegner / Golden Retriever, overweight dog, panting, wagging tail