German photographer Tanja Brandt has created a series which captures the absolutely heart-breaking friendship between Ingo, her two-year-old German Shepherd, and a tiny owl called Napoleon. "Ingo is not always the calmest dog, however when he is around the birds, and particularly Napoleon, he is very soft and gentle", said the photographer. "He seems very at peace with them".

A police dog licks its face after receiving food during the dog festival, as part of celebrations of Tihar at Nepal Police Academy in Kathmandu October 22, 2014. Hindus all over Nepal are celebrating the Tihar festival, also called Diwali, during which they worship cows, which are considered a maternal figure, and other animals. Also known as the festival of lights, devotees also worship the goddess of wealth Laxmi by illuminating and decorating their homes using garlands, oil lamps, candles and colourful light bulbs. (Photo by Navesh Chitrakar/Reuters)

When wedding photographer Katie Yeaton saw that one of her dogs had white fur and the other had black-and-white fur, she did what only a wedding photographer could do: she threw them a backyard wedding complete with professional photography to remember the day. (Photo by Katie Yeaton)

This adorable gallery reveals the astonished expressions of dozens of puppies as they try to gobble up treats flying through the air toward them. Photographer Christian Vieler, 48, has been documenting pooches, with their eyes bulging, mouths wide open and looks of love on their faces, in his studio as part of the project “Dogs Catching Treats” since 2013. (Photo by Christian Vieler/Caters News Agency)

Magira, the cat, stands in a new pet cleaning machine known as the PetSpa June 21, 2002 in Miami, Florida. The side-loading washing machine features 37 spray nozzles and is capable of washing, rinsing and blow drying a dog or cat in 30 minutes. (Photo by Joe Raedle/Getty Images)

A Border Collie competes in the Flyball during The World Dog Games at Acer Arena on October 31, 2009 in Sydney, Australia. (Photo by Brendon Thorne/Getty Images)

Tiny Pinocchio sits in a tea cup June 2, 2003 in St. Petersburg, Florida. Tiny Pinocchio, a 15-month-old Yorkshire terrier, weighs in at one pound. (Photo by Joe Raedle/Getty Images)

A German Shepard bares its teeth during Schutzhund attack dog training at Witmer-Tyson Imports February 14, 2002 in Newark, CA. (Photo by Justin Sullivan/Getty Images)