Participants run through the streets of the Back Bay during the 16th annual Santa Speedo Run in Boston, Massachusetts, December 12, 2015. (Photo by Brian Snyder/Reuters)

A mother bear acting as a taxi for her cubs and they jump on for a piggyback. Two sloth bear cubs fighting for the best place on mum's back as she carries them across Coonoor, India in July 2022. (Photo by Ranganathan Vasudevan/Media Drum Images)

Brush your teeth and get cleaned up for the week ahead! These animals answered the call of good dental hygiene. Here: Hamster holds toothbrush. (Photo by Neo Vision/Getty Images/Amana Images RM)

European bisons (also known as Wisent) at the Bison farm in Muczne, southeastern Poland, 30 December 2018. The Bison farm is a continuation of bison breeding in Bieszczady, which was started in 1963. Here visitors can admire the bison of Bialowieza-Caucasian line, also called the mountain race. The European Bison is the national animal of Poland. (Photo by Darek Delmanowicz/EPA/EFE)

A young girl is splashed as she takes an elephant bath at Rapti river in Chitwan, Nepal, 30 October 2021. Chitwan is one of the major tourist destinations in Nepal and popular zone for wild life sightseeing in Chitwan National Park. (Photo by Narendra Shrestha/EPA/EFE)

Capybaras bathe in the hot spring water at the Saitama Children's zoo in Higashi Matsuyama city, Saitama prefecture on December 25, 2013. 13 capybaras in the zoo, originally from South America, enjoyed the hot spring water. (Photo by Toshifumi Kitamura/AFP Photo)

A mysterious sea creature with some frighteningly sharp teeth washed up on a beach in England last week, where David Mackland snapped these photos. A Grind TV story reports that Mackland estimated the creature to be about 4-5 feet in length. (Photo by David Mackland/OurCarnoustie)

A campaign model demonstrates crazy eyes glasses during the International Tokyo Toy Show 2016 in Tokyo, Japan, 09 June 2016. The trade show opens to the general public on 11 and 12 June. (Photo by Christopher Jue/EPA)