A frog appears to have a big smile for the camera, Russia. Things are heating up at the Comedy Wildlife Photography Awards as the shortlisted final 40 entries are revealed. This year's competition has featured over 2200 hilarious entries from around the world with photos including a fox face planting in the snow, a dancing brown bear and a pair of seemingly headless penguins – all beautifully photographed with perfect comedy timing and a strong conservation message. (Photo by Artyom Krivosheev/Barcroft Images/Comedy Wildlife Photography Awards 2016)

A U.S. Army soldier with the 10th Special Forces Group and his military working dog jump off the ramp of a CH-47 Chinook helicopter from the 160th Special Operations Aviation Regiment during water training over the Gulf of Mexico as part of exercise Emerald Warrior 2011 on March 1, 2011. (Photo by Tech. Sgt. Manuel J. Martinez/U.S. Air Force)

A man looks at a car hit by a post after a tornado ripped through a neighbourhood in Havana, Cuba on January 28, 2019. (Photo by Fernando Medina/Reuters)

Adventurer Sam Cossman movies towards the huge lava lake wearing a custom built industrial proximity heat suit on December 20, 2014 in Ambrym, Vanuatu. (Photo by Conor Toumarkine/Barcroft Media)

The Bridge “Rakotzbrücke” is pictured against trees in autumn colours in the the eastern German town of Kromlau November 4, 2014. (Photo by Hannibal Hanschke/Reuters)

American actress Caylee Cowan attends the OK! Magazine NYFW Party at PhD, Dream Downtown Hotel Rooftop on September 10, 2019 in New York City. (Photo by Stephen Lovekin/OK! Magazine/Rex Features/Shutterstock)

In this October 29, 2013 photo, Daniel smokes marijuana inside his apartment where he uses a hydroponics system to grow his weed in Mexico City. “I'm not a narco, dude. I just like to smoke”, said Daniel, who spoke on condition that his last name not be used because, he said, his home-grow operation is "super-illegal" despite being for personal use only. (Photo by Eduardo Verdugo/AP Photo)

Labrador puppies “Hoey” (L) and “Hatton”, named in honor of September 11, 2001 attack victims Patrick Hoey and Lenny Hatton who died in the World Trade Center, are pictured on the grounds of the Pentagon near Washington, June 28, 2011. (Photo by Jason Reed/Reuters)