Combat between two male stag beetles, Italy, 2022. During the mating season, male stag beetles (Lucanus cervus) go into a frenzy, with lively but harmless clashes, in which bigger males often have the advantage over smaller ones due to their impressive mandibles. Longer larval development and genetic traits can increase the size of some individuals, but all saproxylic beetles are threatened by poor forest management, logging and dead wood removal to “clean” the forest. (Photo by Iacopo Nerozzi)

Spurt, an Australian Shepherd performs a obstacle run during Wild Wild Woof A SuperDogs Country & Western Spectacle at the 2025 K-Days Festival in Edmonton, Alberta, Canada, on July 26, 2025. With fast-paced races, gold-prospecting stunts, and plenty of tail-wagging charm, the SuperDogs deliver a high-energy country show the whole family can cheer for. (Photo by Artur Widak/Anadolu via Getty Images)

Robbie Lee of Team Great Britain competes in the Men's 10m Platform Preliminaries on day 23 of the Singapore 2025 World Aquatics Championships at OCBC Aquatic Centre on August 02, 2025 in Singapore. (Photo by Adam Pretty/Getty Images)

Richard Rude Junior of the United States, competes on his way to win the UCI MTB Enduro Men Elite, Mountain Bike World Championship, Monday, September 1, 2025, in Fiesch, Switzerland. (Photo by Maxime Schmid/Keystone via AP Photo)

A visitor stands near an art installation portraying China's President Xi Jinping, U.S. President Donald Trump and Russia's President Vladimir Putin during the ARTSUBS exhibition in Surabaya, Indonesia on August 2, 2025. (Photo by Juni Kriswanto/AFP Photo)

Onokatsu in action against Ichiyamamoto during the twelfth bout of the Grand Sumo Tournament at Royal Albert Hall in London on October 15, 2025. (Photo by Peter Cziborra/Action Images via Reuters)

An aerial view taken with a drone shows people walking past dried lava (L) from a previous volcanic eruption as they make their way to a location closer to watch the fresh volcano eruption near Grindavik, Reykjanes, Iceland, 17 July 2025. According to the Icelandic Meteorological Office, a magma flow has begun at the Sundhnuk crater range on 16 July. (Photo by Jakob Vegerfors/EPA)

A Nihang Sikh, belonging to the Sikh warrior clan, performs Gatka, a form of Sikh martial arts, during a religious procession marking the 350th martyrdom anniversary of Guru Tegh Bahadur Ji in New Delhi, India, 25 November 2025. The procession commemorates the martyrdom of the 9th Sikh Guru, Sri Guru Tegh Bahadur Ji, who was executed in 1675 AD for refusing to convert to Islam on the orders of Mughal Emperor Aurangzeb. The event is observed at Gurudwara Sis Ganj in Delhi. Guru Tegh Bahadur, the youngest of the five sons of Guru Hargobind, was born in Amritsar in 1621. (Photo by Rajat Gupta/EPA)