A blue-throated macaw receives acupuncture and laser therapy treatment at the veterinary hospital in Brasilia Zoo, July 30, 2015. The zoo's veterinary hospital uses acupuncture and laser therapy to improve the health and well-being of animals with chronic diseases. (Photo by Ueslei Marcelino/Reuters)

A blue tit takes umbrage at a wing mirror at Suffolk Wildlife Trust’s Arger Fen & Spouse’s Vale reserve in United Kingdom on April 16, 2021. (Photo by Angela Lord/Triangle News)

Luna the French Bulldog is dressed in red, white, and blue during the National Independence Day Parade in Washington, DC, on July 4, 2023. (Photo by Stefani Reynolds/AFP Photo)

“Honorable Mention”. An Indian rhinoceros, far from home and stuck inside with late-winter blues at the Toronto zoo. Photo location: Toronto, Ontario, Canada. (Photo and caption by Stephen De Lisle/National Geographic Photo Contest)

Alee Harrison, 13, wears the tv series “Doctor Who” on her legs as she works on a painting for Operation Blue Pride. (Photo by Greg Lovett/The Palm Beach Post)

Lizzy Huggler, 20 ,wears blue ties on her legs on the third day of the Firefly Music Festival in Dover, Delaware U.S., June 16, 2018. (Photo by Mark Makela/Reuters)

Aerial view of a boat working in the green water of Taihu Lake covered by blue-green algae, Wuxi city, Jiangsu province, China on May 23, 2018. (Photo by Imaginechina/Rex Features/Shutterstock)

A woman takes a picture as a super moon, known as the Blue Moon, rises above Ciudad Juarez, Mexico on August 30, 2023. (Photo by Jose Luis Gonzalez/Reuters)