Animal Tracks: March 31 - April 6

A Morpho peleides butterfly sits on the nose of a child at the Natural History Museum's outdoor butterfly house in London on March 31.

A ring-tailed lemur, with its three-week-old cub clinging to its back, sits on a tree at the Schoenbrunn Zoo in Vienna on April 4.

A dog, trimmed to look like a lion, walks on the rooftop of the Mitsukoshi department store in Tokyo on April 5.

Japanese macaques eat cherry blossoms at Tokyo's Ueno zoological garden on April 2.

A girl pets a wild iguana inside Seminario Park in Guayaquil, Ecuador on April 3.

A fox walks through its enclosure at a deer park in Frankfurt an der Oder, Germany on April 1.

A couple of moor frogs sit in a pond during spawning season in Leipzig, Germany on April 1.

Giraffes stand in the outdoor enclosure of the Pairi Daiza animal park in Brugellette, Belgium on April 5.

A giant panda bear is seen in Pairi Daiza animal park in Brugelette, Belgium on April 5.

Aurora, a four-year-old female polar bear, swims in a pool for the first time in months at the Royev Ruchey zoo in a suburb of Russia's Siberian city of Krasnoyarsk on April 4.

A southern white rhino named Bella walks with her one-day-old baby at the Ziwa Rhino Sanctuary in Nakasongola, Uganda on April 3.

A chimpanzee enjoys a chunk of icy frozen fruit to cool down from the heat at Dusit Zoo in Bangkok on April 3.

A Palestinian man tries to control his horse at the beach of Gaza City April 3.

Thug, a 17-year-old pygmy hippo, moves around in a new enclosure equipped with solar panels at London Zoo in England on April 3.

A lamb stands in a meadow near Frankfurt an der Oder, Germany on April 1.