Four baby storks sit next to their parents in their nest on May 2, 2017 at the Eekholt wildlife park in Eekholt near Grossenaspe, northern Germany. (Photo by Carsten Rehder/AFP Photo/DPA)





An Egyptian goose prepares for landing in the Main river in Frankfurt, Germany, Wednesday, May 3, 2017. (Photo by Michael Probst/AP Photo)





A little spotted kiwi is held before release at Shakespeare open sanctuary in Auckland, New Zealand on April 30, 2017. (Photo by Hannah Peters/Getty Images)





A lizard is seen hunting for fish during the daytime on May 04, 2017 in West Sumatra, Indonesia. (Photo by Riau Images/Barcroft Images)





This handout picture taken on April 30, 2017 and released on May 2, 2017 by the Borneo Orangutan Survival Foundation shows a rare albino orangutan that was saved from villagers in Kapuas Hulu, on the Indonesian side of Borneo island. A rare albino orangutan has been saved from villagers on the Indonesian part of Borneo island who were keeping the white-haired, blue-eyed creature in a cage, a protection group said on May 2. The Borneo Orangutan Survival Foundation, which is caring for the critically endangered ape, said the organisation had never before in its 25-year history taken in an albino orangutan. (Photo by AFP Photo/Borneo Orangutan Survival Foundation)





This handout picture taken on April 30, 2017 and released on May 2, 2017 by the Borneo Orangutan Survival Foundation shows a rare albino orangutan that was saved from villagers in Kapuas Hulu, on the Indonesian side of Borneo island. (Photo by AFP Photo/Borneo Orangutan Survival Foundation)





A Barbary macaque climbs down a tree branch in a forest near the Moroccan town of Azrou, in the Atlas mountain chain on April 15, 2017. The only species of macaque outside Asia, which lives on leaves and fruits and can weigh up to 20 kilogrammes (45 pounds), was once found throughout North Africa and parts of Europe But having disappeared from Libya and Tunisia, it is now restricted to mountainous regions of Algeria and Morocco' s northern Rif region. (Photo by Fadel Senna/AFP Photo)





A male peacock presents his plumage at the zoo in Heidelberg, Germany, 02 May 2017. The Blue Peacock (Pavo cristatus) is a bird species from the family of pheasant-like (Phasianidae). (Photo by Ronald Wittek/EPA)





A bird feeds a baby bird at a park in Beijing, China, May 3, 2017. (Photo by Reuters/Stringer)





In this May 1, 2017 photo provided by the Wildlife Conservation Society, an Andean bear cub climbs on a tree branch at the Queens Zoo in the Queens borough of New York. The zoo said the cub, which has not been named yet, is part of their program to breed Andean bears in cooperation with the Species Survival Plan. (Photo by Julie Larsen Maher/Wildlife Conservation Society via AP Photo)





Visitors look at a cheetah, in a private zoo called “12 Months” in Demydiv, Ukraine, May 2, 2017. (Photo by Gleb Garanich/Reuters)





A circa one week old lesser flamingo stands next to a parent on May 5, 2017 at the zoo in Karlsruhe, southwestern Germany. (Photo by Uli Deck/AFP Photo/DPA)





Ring-tailed lemur baby “Heather” sits in a heating slipper on May 3, 2017 at the Affenwald Straussberg animal park in Straussberg, central Germany. “Heather”, probably born on April 10, 2017, was rejected by her mother and is brought up by a keeper now. (Photo by AFP Photo/DPA/Arifoto UG)





Animal keeper Silvio Dietzel holds ring-tailed lemur baby “Heather” on May 3, 2017 at the Affenwald Straussberg animal park in Straussberg, central Germany. (Photo by AFP Photo/DPA/Arifoto UG)





In this April 12, 2017 photo provided by the Center for Coastal Studies, a right whale shows its baleen while skim-feeding in Cape Cod Bay off shore from Provincetown, Mass. Charles “Stormy” Mayo, director of right whale ecology at the center in Provincetown, said signs suggest the global population of 500 animals is slowly declining. (Photo by Center for Coastal Studies via AP Photo)





Looking At Lee gets a bath outside Barn 38 at Churchill Downs in Louisville, Ky., Monday, May 1, 2017, following his final work out for the May 6 Kentucky Derby horse race. (Photo by Garry Jones/AP Photo)





The zoo's latest acquisition, a panther chameleon, opens the mouth in its enclosure in the zoo in Frankfurt, Germany, Friday, May 5, 2017. (Photo by Michael Probst/AP Photo)





In this April 20, 2017, photo provided by the Arizona Game and Fish Department shows a rescued otter at the Adobe Mountain Wildlife Center in Phoenix, Arizona. The otter was described as dehydrated, hungry and infested with fleas when rescued, but Arizona Game and Fish wildlife staff cared for the otter and fed it a trout mash mixed with kitten's milk to provide appropriate nutrients. Once the otter's condition improved, it was handed off April 26 to Out of Africa Wildlife Park in Camp Verde. (Photo by George Andrejko/Arizona Game and Fish Department via AP Photo)