Animal Tracks: March 28 - April 4

Two-week old lionhead rabbits venture outside for the first time in San Diego, California on April 3, 2012.

An Indochinese Tiger cub drinks water at a new enclosure at the Tierpark zoo in Berlin, Tuesday, April 3, 2012. (AP Photo/Markus Schreiber)

Colored chicks are sold during the run-up to Easter in downtown Amman April 2, 2012. REUTERS/Ali Jarekji (JORDAN - Tags: ANIMALS ANNIVERSARY RELIGION)

A Japanese macaque eats cherry blossom at Tokyo's Ueno zoo on April 2, 2012. The zoo incorperated a cherry tree into the macaques habitat as the sprouts and flowers are their favorite foods. Cherry trees bloomed in Tokyo on March 31, five days later than usual year, Japanese authorities announced. . AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/Getty Images)

A wild western screech owl looks out from a nest box mounted on a tree in a wooded area along a country road near Elkton, Ore., on Sunday, April 1, 2012. The box was intended for nesting wood ducks, but the screech owl has moved in and seems quite content . (Credit Image: © Robin Loznak)

epa03167770 A shoebill is seen at the Ueno zoo in Tokyo, Japan, 01 April 2012. Founded in 1882, the Ueno Zoological Gardens is the oldest zoo in Japan. Celebrating its 130th birthday, the zoo is now home to over 2600 animals from 464 different species. EPA/FRANCK ROBICHON

A bird sits on a branch of a blooming cherry tree at a park in Tokyo on April 1, 2012. Cherry trees bloomed in Tokyo on March 31, five days later than usual year, Japanese authorities announced. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/Getty Images)

Beanie is walked around the arena by owner Debbie Koch during the dog costume contest at the 3rd annual Yorba Linda Speggtacular Easter Egg hunt on Saturday, March 30, 2012, in Yorba Linda, Calif. The event benefited the Shauna Ann Stuewe Foundation which raises awareness of sudden cardiac arrest. (AP Photo/The Orange County Register, Kevin Sullivan) MAGS OUT; LOS ANGELES TIMES OUT; MANDATORY CREDIT

A girl feeds a squirrel after snowfall in central park in Minsk, Belarus, Saturday, March 31, 2012. (AP Photo/Sergei Grits)

Bam Bam, a one-year-old sea lion, center, plays underwater with two female sea lions in a pool at the Parque de las Leyendas zoo in Lima, Peru, Friday March 30, 2012. Bam Bam was rehabilitated at the zoo after arriving in January from the Peruvian coast with injures.(AP Photo/Martin Mejia)

A male Sumatran orangutan spends time with its cub inside their enclosure at a city zoo in Moscow March 30, 2012. REUTERS/Sergei Karpukhin (RUSSIA - Tags: ANIMALS)

Great Blue Herons tend to their nest high atop a sycamore tree at a rookery in Bainbridge Twp., Ohio on Thursday, March 29, 2012. Males bring females sticks to build a nest as a dating and mating ritual. (AP Photo/Amy Sancetta)

Beyonce, a miniature puppy, is held by veterinarian Mike Russell in El Dorado Hills, California, March 29, 2012. Beyonce, who was born March 8 after her mother, Casey, was taken off the streets of a California town, weighed less than 1 oz. (28.3 grams) at birth and could fit into a tablespoon. Her rescuers have submitted her to the Guinness World Records for a declaration as the world's tiniest rescue dog. REUTERS/Max Whittaker (UNITED STATES - Tags: ANIMALS SOCIETY)

Polar bear mother Vilma (L), cuddles with his cub Anori at the open-air enclosure at the zoo in Wuppertal, western Germany, on March 29, 2012. Anori was born on January 4, 2012. Anori has the same father as polar bear Knut, who died 2011. AFP PHOTO / MARIUS BECKER GERMANY OUT (Photo credit should read MARIUS BECKER/AFP/Getty Images)

A flowerhorn fish is displayed at the annual fish festival or \"Pramong Nomjai Thai Tuala\" at a shopping mall in Bangkok on March 29, 2012. Fish festival shows a variety of beautiful fish between March 24 to April 1. AFP PHOTO/PORNCHAI KITTIWONGSAKUL (Photo credit should read PORNCHAI KITTIWONGSAKUL/AFP/Getty Images)

epa03162292 A Papilio Rumanzovia butterfly is seen at the Benalmadena Butterfly Center, Spain on 28 March 2012. The center is the biggest in Spain with more than a hundred species from all over the world. EPA/Jorge Zapata

A Rhinoceros Ratsnake (Rhynchophis boulengeri) is seen in a new terrarium of the Royev Ruchey zoo in a surburb of Russia's Siberian city of Krasnoyarsk, March 28, 2012. Rhynchophis boulengeri is also known as Rhinoceros Snake, Rhino Rat Snake and Vietnamese Longnose Snake. REUTERS/Ilya Naymushin (RUSSIA - Tags: ANIMALS SOCIETY)