A passenger plane is seen with the full moon behind as it begins its final landing approach to Heathrow Airport in London, Britain, September 24, 2018. REUTERS/Toby Melville TPX IMAGES OF THE DAY 

A hummingbird is photographed during the National Orchid Exhibition at the Jose Celestino Mutis Botanical Garden in Bogota, Colombia Septermber 20, 2018. Picture taken September 20, 2018. REUTERS/Luisa Gonzalez TPX IMAGES OF THE DAY 

An insect collects pollen in Vertou, near Nantes, France, September 10, 2018. REUTERS/Stephane Mahe 

An insect collects pollen in Vertou, near Nantes, France, September 10, 2018. REUTERS/Stephane Mahe 

A hornet is seen in Vertou, near Nantes, France, September 10, 2018. REUTERS/Stephane Mahe 

An insect collects pollen in Vertou, near Nantes, France, September 10, 2018. REUTERS/Stephane Mahe 

An Asian hornet, Latin name "Vespa Velutina", is seen in Vertou, near Nantes, France, September 10, 2018. REUTERS/Stephane Mahe 

An Asian hornet, Latin name "Vespa Velutina", is seen in Vertou, near Nantes, France, September 10, 2018. REUTERS/Stephane Mahe 

An Asian hornet, Latin name "Vespa Velutina", is seen in Vertou, near Nantes, France, September 10, 2018. REUTERS/Stephane Mahe 

A hornet is seen in Vertou, near Nantes, France, September 10, 2018. REUTERS/Stephane Mahe 

An insect collects pollen in Vertou, near Nantes, France, September 10, 2018. REUTERS/Stephane Mahe 

A newly born endangered Silvery Gibbon baby is held by its mother Alangalang at Prague Zoo, Czech Republic, August 14, 2018. REUTERS/David W Cerny TPX IMAGES OF THE DAY 

Tomato plants are seen in a field, near Foggia, Italy August 7, 2018. Picture taken August 7, 2018. REUTERS/Alessandro Bianchi 

A helicopter drops water on a fire next to the village of Monchique, Portugal August 8, 2018. REUTERS/Pedro Nunes 

A seahorse rests on the seabed during a dive in the village of Stratoni near Chalkidiki, Greece, July 16, 2018. Picture taken July 16, 2018. REUTERS/Idyli Tsakiri 

A seahorse rests on the seabed during a dive in the village of Stratoni near Chalkidiki, Greece, July 16, 2018. Picture taken July 16, 2018. REUTERS/Idyli Tsakiri 

A seahorse is wrapped on a diver's finger during a dive in the village of Stratoni near Chalkidiki, Greece, July 16, 2018. Picture taken July 16, 2018. REUTERS/Idyli Tsakiri 

A seahorse rests on the seabed during a dive in the village of Stratoni near Chalkidiki, Greece, July 16, 2018. Picture taken July 16, 2018. REUTERS/Idyli Tsakiri 

A seahorse rests on the seabed during a dive in the village of Stratoni near Chalkidiki, Greece, July 16, 2018. Picture taken July 16, 2018. REUTERS/Idyli Tsakiri 

A seahorse is wrapped on a diver's finger during a dive in the village of Stratoni near Chalkidiki, Greece, July 16, 2018. Picture taken July 16, 2018. REUTERS/Idyli Tsakiri 

A Palestine sunbird eats the nectar of flowers as a bee flies over at Orange House garden in El-Mansouri village, near Tyre, Lebanon, Lebanon July 29, 2018. Picture taken July 29,2018. REUTERS/Jamal Saidi TPX IMAGES OF THE DAY 

A squirrel sits on a tree branch in a park in Minsk, Belarus, July 14, 2018. REUTERS/Vasily Fedosenko 

A squirrel feeds in a park in Minsk, Belarus, July 14, 2018. REUTERS/Vasily Fedosenko 

A squirrel feeds in a park in Minsk, Belarus, July 14, 2018. REUTERS/Vasily Fedosenko 

A squirrel is seen in a courtyard in Berlin, Germany July 12, 2018. REUTERS/Fabrizio Bensch 

A squirrel is seen in a courtyard in Berlin, Germany July 12, 2018. REUTERS/Fabrizio Bensch 

A squirrel is seen in a courtyard in Berlin, Germany July 12, 2018. REUTERS/Fabrizio Bensch 

Recently hatched chicks sit in a crate at the Huayu hatchery in Handan, Hebei province, China, June 25, 2018. Picture taken June 25, 2018. REUTERS/Thomas Peter 

Recently hatched chicks sit in a crate at the Huayu hatchery in Handan, Hebei province, China, June 25, 2018. Picture taken June 25, 2018. REUTERS/Thomas Peter 

A Diaethria clymena, also know Cramer's eighty-eight, is pictured at a mountain in Sao Francisco Xavier, Brazil July 1, 2018. REUTERS/Nacho Doce 

A ladybird beetle walks on the leaf of a corn plant grown in a research field in College Station, Texas, U.S., May 22, 2018. Picture taken on May 22, 2018. REUTERS/Adrees Latif 

A two week old wild rabbit cleans its ears on the island of Skomer, Pembrokeshire, Wales, Britain, June 9, 2018. Picture taken June 9, 2018 REUTERS/Rebecca Naden 

A humming bird stands on a plant at a public square in Vina del Mar, Chile June 10, 2018. REUTERS/Rodrigo Garrido 

A humming bird flies at a public square in Vina del Mar, Chile June 10, 2018. REUTERS/Rodrigo Garrido 

A humming bird flies at a public square in Vina del Mar, Chile June 10, 2018. REUTERS/Rodrigo Garrido 

General view as lightning strikes over the city of London, Britain May 26, 2018. REUTERS/Tom Jacobs TPX IMAGES OF THE DAY 

General view as lightning strikes over the city of London, Britain May 26, 2018. REUTERS/Tom Jacobs TPX IMAGES OF THE DAY 

A long-tailed meadowlark, commonly known as military starling, is seen on the beach in Surf Bay, near Port Stanley, Falkland Islands, May 17, 2018. REUTERS/Marcos Brindicci 

Geese are seen in front of a Ford Corsair in Port Stanley, Falkland Islands, May 17, 2018. REUTERS/Marcos Brindicci 

A sheep stands on a road outside Port Stanley, Falkland Islands, May 16, 2018. Picture taken May 16, 2019. REUTERS/Marcos Brindicci 

A visitor observes Chinese artist Huang Yong Ping's The History of Chinese Art and A Concise History of Modern Painting Washed in a Washing Machine for Two Minutes at the exhibition Art and China after 1989: Theater of the World, at the Guggenheim Museum in Bilbao, Spain, May 10, 2018. REUTERS/Vincent West 

A farmer shows his newborn pet guinea pigs in Santo Domingo, Cuba, March 31, 2018. Picture taken March 31, 2018. REUTERS/Alexandre Meneghini TPX IMAGES OF THE DAY 

A farmer shows his newborn pet guinea pigs in Santo Domingo, Cuba, March 31, 2018. Picture taken March 31, 2018. REUTERS/Alexandre Meneghini 

Miniature food cook Burcu Celenoglu Aydin prepares a dish at her mini kitchen in Istanbul, Turkey April 7, 2018. Picture taken April 7, 2018. REUTERS/Murad Sezer 

Wooden chips are seen in the workshop of "Kanzian & Traunsteiner Doublebass Builders" in Vienna, Austria April 4, 2018. REUTERS/Leonhard Foeger 

A dog named Golfa, dressed in a Spanish legionnaire costume, is seen after Spanish legionnaires carried a statue of the Christ of Mena outside a church during a ceremony ahead of the Mena brotherhood procession during Holy Week, in Malaga, southern Spain March 29, 2018. REUTERS/Jon Nazca 

Sugar beet seeds are seen at a farm in Schnersheim, near Strasbourg, France, March 29, 2018. REUTERS/Vincent Kessler 

A pink carnation flower laid by activists rests on the West Lawn of the U.S. Capitol in memory of Yemeni children killed by Saudi bombings, in Washington, U.S. March 19, 2018. REUTERS/James Lawler Duggan 

A guns collector holds a 7.65 caliber bullet in his house in Bordeaux, France, March 19, 2018. REUTERS/Regis Duvignau 

A guns collector holds a 7.65 caliber bullet in his house in Bordeaux, France, March 19, 2018. REUTERS/Regis Duvignau 

Newborn lambs sit in hay at Thomas Jones' farm in Blessington, Ireland, March 5, 2018. REUTERS/Clodagh Kilcoyne 

A great tit picks up to fly on a winter day in Warsaw, Poland March 3, 2018. REUTERS/Kacper Pempel 

A jay rests on a tree as the air temperature drops to about minus 12 degrees Celsius (10.4 degrees Fahrenheit), near the Ozerny village, Belarus March 3, 2018. REUTERS/Vasily Fedosenko 

A fieldfare feeds on a tree as the air temperature drops to about minus 12 degrees Celsius (10.4 degrees Fahrenheit), near the Ozerny village, Belarus March 3, 2018. REUTERS/Vasily Fedosenko 

A blackbird rests on a tree as the air temperature drops to about minus 12 degrees Celsius (10.4 degrees Fahrenheit), near the Ozerny village, Belarus March 3, 2018. REUTERS/Vasily Fedosenko 

Qian Hao's imported Pekingese dog, Mixiu, runs in a park in Beijing, China, February 8, 2018. Picture taken February 8, 2018. REUTERS/Thomas Peter TPX IMAGES OF THE DAY 

Local-bred Pekingese dogs stand in a cage at the compound of a local animal breeder Zhang Lei in Beijing, China, January 11, 2018. Picture taken January 11, 2018. REUTERS/Thomas Peter 

A local-bred Pekingese dog stands in a cage at the compound of a local animal breeder Zhang Lei in Beijing, China, January 11, 2018. Picture taken January 11, 2018. REUTERS/Thomas Peter 

Henry, a Pomeranian breed, is groomed in the benching area on Day One of competition at the Westminster Kennel Club 142nd Annual Dog Show in New York, U.S., February 12, 2018. REUTERS/Shannon Stapleton 

A lunar eclipse is seen over a street light in Tokyo, Japan January 31, 2018. REUTERS/Kim Kyung-Hoon