Dafna Ben Nun with the Emperor penguins. Heres the brilliant picture of a cheeky baby penguin playfully winking at a photographer. The adorable snap was taken while a group of mischievous chicks were playing with their parents. (Photo by Dafna Ben Nun/Caters News)

These tiny insects are so well camouflaged it is nearly impossible to make out their cleverly disguised forms. Canadian photographer and adventurer Paul Bertner attempted to catch the bugs in their natural habitats as part of a hide-and-seek game to show biodiversity in nature. Here: Stick insects. (Photo by Paul Bertner/Caters News)

Natsumi Hayashi is a Japanese artist known for her fixation with levitating. Two years, ago, the photographer began posting portraits online of herself floating in mid-air. The magical project – titled “Today's Levitation” – is the subject of a playful survey of her year-long obsession with flying.

Lioness and hyena posture to one another, in Masai Mara, Kenya, August 2015. A photographer captured one of the oldest rivalries in the animal kingdom as a pair of lions went head to head with a pack of hungry hyenas. (Photo by Ingo Gerlach/Barcroft Images)

Renowned amphibian and reptile photographer Matthijs Kuijpers has released his first book, “Cold Instinct”. Kuijpers says the aim of the work is “for the viewer to abandon the fear and negative thoughts that often surround these animals”. What’s left is the bizarre beauty of these creatures in their simplest form – no backgrounds and no distractions. Here: Mossy frog (Theloderma corticale). (Photo by Matthijs Kuijpers/The Guardian)

The “Assignments” exhibition is an annual chance to see the top images by UK photojournalists, as chosen by the British Press Photographers’ Association. Here: Wales’s Cory McKenna dominates Micol DiSegni during their fight at Cage Warriors 97 in Cardiff, 29 September 2018. (Photo by Chris Fairweather/Huw Evans Agency)

Ten finalists capture the theme of “through young eyes” in this young photographers’ competition that aims to engage youth around the world in wildlife conservation. Here: Heavy bodied jumping spider by Md Rashuidul Rabby, age 23, from Bangladesh. (Photo by Md Rashuidul Rabby/WWD2017)