People take part in a military exercise for civilians conducted by veterans of the Ukrainian National Guard Azov battalion, amid threat of Russian invasion, in Kyiv, Ukraine on January 30, 2022. According to a survey conducted by the Kiev International Institute of Sociology (KIIS) from December 2021, 50.2 percent of Ukrainians said they would resist in case of a Russian military intervention into their city, town or village. Every third respondent to the poll said they were ready to engage in armed resistance, and 21.7 percent said they were ready to participate in civil resistance actions. (Photo by Gleb Garanich/Reuters)

A journalist (R) is attacked by residents who are trying to prevent migrants from disembarking on the Greek island of Lesbos, on March 1, 2020. The United Nation called on March 1 for calm and urged states to refrain from “excessive” force, as thousands of migrants have flooded to Turkey's border with Greece in a bid to enter the EU. A massive influx of migrants swelled along the border over the weekend after Turkey's President Recep Tayyip Erdogan threatened to open its frontier to Europe as tensions mount over its deepening conflict in Syria. (Photo by AFP Photo/Stringer)

A protester spits fire during a protest to mark the second anniversary of months of civil unrising against social inequality, in Santiago, on October 18, 2021. The social-justice protests that rocked Chile in October 2019 led ultimately to the decision to create a new constitutional convention to draft a constitution to replace the one written during the dictatorship of Augusto Pinochet (1973-1990). The new 155-member the new body is in charge of writing a new constitution meant to pry power from the hands of the elite and spread it more equitably in the South American nation. (Photo by Martin Bernetti/AFP Photo)

Australian actress Elizabeth Debicki pictured as Princess Diana wearing her “Revenge Dress” at Vanity Fair's annual fundraising gala for the Serpentine Gallery while filming hit Netflix TV series “The Crown” in London, United Kingdom on November 1, 2021. The dress, created by Greek fashion designer Christina Stambolian, is one of the most famous dresses the late Princess wore. The form fitting, off-the-shoulder chiffon cocktail dress was worn in June 1994. The same night Diana wore the dress to the Serpentine party, her estranged husband, Prince Charles, confessed on national television that he had been unfaithful to her. (Photo by Splash News and Pictures)

A young evacuee of Japanese ancestry waits with the family baggage before leaving by bus for an assembly center in California, in this April 1942 handout photo. February 19, 2017 marks the 75th anniversary of FDR signing executive order 9066, authorizing the internment of Japanese Americans during World War Two. (Photo by Courtesy Clem Albers/Department of the Interior/War Relocation Authority/National Archives/Reuters)

Britain's Prince Harry meets Chewbacca during a visit to the Star Wars film set at Pinewood Studios near Iver Heath, west of London, Britain, April 19, 2016. Prince William and Prince Harry are touring Pinewood to visit the production workshops and meet the creative teams working behind the scenes on the Star Wars films. (Photo by Adrian Dennis/Reuters)

Yoandri Hernandez Garrido, 37, proudly displays his 12 fingers in Baracoa, Guantanamo province, Cuba. His condition, known as polydactyly, is relatively common, but it's rare for extra digits to be so perfect.

Polydactyly or polydactylism (from Ancient Greek πολύς (polus) "many" + δάκτυλος (daktulos) "finger"), also known as hyperdactyly, is a congenital physical anomaly in humans, dogs, and cats having supernumerary fingers or toes. Polydactyly is the opposite of oligodactyly (fewer fingers or toes).