Fireworks explode over a floating Christmas tree in Lagoa Lake in Rio de Janeiro. (Photo by Victor R. Caivano/Associated Press)

A Chimpanzee opens its Christmas presents at ZSL Whipsnade Zoo on December 17, 2013 in Bedfordshire, England. (Photo by Tony Margiocchi/Barcroft Media)

American photographer Doug Perrine, 60, snapped the shots last year while the False Killer Whale was out hunting for food. (Photo by Doug Perrine/Iber-Press)

A girl sticks out her tongue during snowfalls on a street in Hefei, Anhui province February 13, 2014. (Photo by Reuters/Stringer)

Grace Chon has put together a series of portraits featuring her 10-month-old son and her rescue dog. In each picture, the dog and baby are wearing matching apparel with party hats, baseball caps and sunglasses, adding fun elements to these adorable portraits.

Spectators dressed as leprechauns attend St Patrick's Day parade in Dublin on March 17, 2014. (Photo by Peter Muhly/AFP Photo)

A pair of gloved hands are dwarfed by the furry paws of Boris the Polar Bear at the Point Defiance Zoo & Aquarium's animal health care hospital Saturday, February 23, 2013 in Tacoma, Washington. (Dean J. Koepfler/Tacoma News Tribune/MCT)

Photographers April Maciborka and David Wile teamed up to create their recent series Pucker. In each instance babies were handed their very first lemon and encouraged to take a bite. Just looking at their images will make your lips twitch.