Baby Zoo Animals, Part 2

This April 9, 2014 photo provided by the Cincinnati Zoo shows baby Gladys holding onto MíLinzi at the Cincinnati Zoo in Cincinnati, Ohio. Gladys, a baby gorilla initially raised by humans acting as surrogate parents, has been successfully introduced into a social group typical for the species at the Cincinnati Zoo. (AP Photo/Cincinnati Zoo, Michelle Curley)

An eight-day-old western lowland gorilla named, Kassiu,rests with her 13-year-old mother, Naku, Thursday, March 27, 2014 at the Milwaukee County Zoo in Wauwatosa, Wis. (AP Photo/Milwaukee Journal Sentinel, Mark Hoffman)

This March 5, 2014 image courtsey of the Living Desert Zoo and Gardens State Park shows Zia the 5-month-old lion on an outcropping in the mountain exhibit. Zia was rescued by a hunter in Washington last October and nursed back to health by him and his family before being turned over to wildlife officials. (AP Photo/Courtesy of Mary Streng, Living Desert Zoo and Gardens State Park)

This image provided by the San Diego Zoo shows a 4-day-old hippopotamus calf poking its head out of the water at the San Diego Zoo, Wednesday, April 2, 2014, in San Diego.(AP Photo/San Diego Zoo, Tammy Spratt)

Six-month-old tiger cubs play inside their enclosure at Nehru Zoological Park in Hyderabad, India, Saturday, March 29, 2014. (AP Photo/Mahesh Kumar A.)

Two 14-week old polar bear twins explore their enclosure at the Hellabrunn zoo in Munich, Germany, Wednesday, March 19, 2014. The cubs who were born on Dec. 9, 2013 were presented to the public for the first time. (AP Photo/dpa, Sven Hoppe)

This photo provided by the San Diego Zoo Safari Park shows the animal care staff tending to a one-day-old baby girl gorilla who was born at the San Diego Zoo Safari Park after an emergency c-section procedure Wednesday March, 12, 2014. (AP Photo/San Diego Zoo Safari Park)

Three meerkat cubs look around during their first steps in their outdoor enclosure at the zoo in Erfurt, Germany, Wednesday, March 19, 2014. The meerkat babies were born on Feb. 21, 2014 at the zoo. (AP Photo/Jens Meyer)

Two 14-week old polar bear twins explore their enclosure at the Hellabrunn zoo in Munich, Germany, Wednesday, March 19, 2014. The cubs who were born on Dec. 9, 2013 were presented to the public for the first time. (AP Photo/dpa, Stephan Jansen)

Two 14-week old polar bear twins and their mother Giovanna explore their enclosure at the Hellabrunn zoo in Munich, Germany, Wednesday, March 19, 2014. The cubs who were born on Dec. 9, 2013 were presented to the public for the first time. (AP Photo/dpa, Sven Hoppe)

Three meerkat cubs cuddle to an adult animal in their outdoor enclosure at the zoo in Erfurt, Germany, Wednesday, March 19, 2014. The meerkat babies were born on Feb. 21, 2014 at the zoo. (AP Photo/Jens Meyer)

Polar bear Gerda plays with her cub at the den in the Zoo in Novosibirsk, about 2,800 kilometers (1,750 miles) east of Moscow, Russia, Friday, March 7, 2014. (AP photo/Ilnar Salakhiev)

A gray langur (Semnopithecus) baby lies in the arm of mother Sariska in the Zoo in Hannover, northern Germany, Thursday, March 6, 2014. The monkey was born in the zoo Feb. 15, 2014 but its gender is yet unknown. (AP Photo/dpa, Peter Steffen)

Young Asian small-clawed otters explore their compound at the animal park in in Neumuenster, northern Germany, Wednesday, March 5, 2015. Six otter cubs were born at the animal park on Dec. 7, 2013. (AP Photo/dpa, Maja Hitij)

The young Rothschild giraffe Jamal, right, stands in front of his flock at the zoo in Leipzig, Germany, Wednesday, March 5, 2014. The giraffe born on Jan. 18, 2014, is called Jamal, that means ‘Beauty’. (AP Photo/Jens Meyer)

A still unnamed polar bear baby plays at the zoo in Bremerhaven, Germany, Wednesday March 12, 2014. The female polar bear cub was born on Dec. 16, 2013 and now leaves its birthing cave for the first time. (AP Photo/dpa,Carmen Jaspersen)

The three unnamed cubs of the Asiatic lion Shiva walk in the Besancon zoo, eastern France, Thursday Feb. 27, 2014. (AP Photo/Laurent Cipriani)

Asiatic lion Shiva, the mother of the three unnamed cubs, sits with her cubs in the Besancon zoo, eastern France, Thursday, Feb. 27, 2014. (AP Photo/Laurent Cipriani)

In this March 11, 2013 photo released by the Detroit Zoological Society, a newborn aardvark named Kaatie is shown at the Detroit Zoo in Royal Oak, Mich. (AP Photo/Detroit Zoological Society, Tom Roy)

A newborn baby hippopotamus rests next to its mother at the Chapultepec Zoo in Mexico City, Wednesday, March 5, 2014. (AP Photo/Eduardo Verdugo)

A newborn baby hippopotamus rests next to its mother at the Chapultepec Zoo in Mexico City, Wednesday, March 5, 2014. (AP Photo/Eduardo Verdugo)

This Sunday Feb. 9, 2014 photo issued by the Zoological Society of London (ZSL) on Wednesday March 12, 2014, shows Sumatran tigress Melati with her as yet unsexed triplet Sumatran tiger cubs which were born at the zoo to the five-year-old Sumatran tigress Melati on Feb. 3, 2014 following a 106-day pregnancy. (AP Photo/Zoological Society of London)

Polar bear Gerda plays with her cub in the Zoo in Novosibirsk, about 2,800 kilometers (1,750 miles) east of Moscow, Russia, Friday, March 7, 2014. (AP photo/Ilnar Salakhiev)

Baby gorilla Jengo relaxes on the back of his grandmother Viringika at the zoo in Leipzig, Germany, Wednesday, March 5, 2014. (AP Photo/Jens Meyer)

Asiatic lion Shiva, the mother of three cubs, looks out over her domain in the Besancon zoo, eastern France, Thursday, Feb. 27, 2014. (AP Photo/Laurent Cipriani)

In this handout photo released by Tampa’s Lowry Park Zoo, shows a rescued Florida Panther kitten Thursday, Feb. 20, 2014, that is being held for neonatal care and rearing at the zoo in Tampa, Fla. (AP Photo/Tampa’s Lowry Park Zoo, Dave Parkinson)

A five-month old still unnamed spectacled bear baby explores the enclosure at the zoo in Duisburg, Germany, Wednesday Feb. 12, 2014. (AP Photo/dpa, Roland Weihrauch)

A newborn baby giraffe looks up at the Planckendael zoo in Mechelen, 25 kilometers North of Brussels, Tuesday, Feb. 18, 2014. The calf was born on Valentines day , Feb. 14, and has a heart shaped spot on the hip. (AP Photo/Yves Logghe)

A newborn baby giraffe shows its tongue at the Planckendael zoo in Mechelen, 25 kilometers North of Brussels, Tuesday, Feb. 18, 2014. The calf was born on Valentines day , Feb. 14, and has a heart shaped spot on the hip. (AP Photo/Yves Logghe)

A newborn baby giraffe and its mother stand next to each other at the Planckendael zoo in Mechelen, 25 kilometers North of Brussels, Tuesday, Feb. 18, 2014. The calf was born on Valentines day , Feb. 14, and has a heart shaped spot on the hip. (AP Photo/Yves Logghe)

Reid Park Zoo veterinarian Alexis Moreno weighs eight-week-old male Sango, which means “Fire,” to check his progress. The names of the other cubs are males Baako (First Born) and Jelani (Mighty) and female Nayo (She is our Joy). The photo was taken on Thursday, February 20, 2014, in Tucson, Ariz. Photo by A.E. Araiza/ Arizona Daily Star

The five-month old still unnamed spectacled bear baby explores the enclosure with mother Huanca, left, at the zoo in Duisburg, Germany, Wednesday Feb. 12, 2014. (AP Photo/dpa,Roland Weihrauch)

In this Jan. 16, 2014 photo provided by the Wildlife Conservation Society, twin, juvenile Geoffroy’s marmosets cling to a branch at the Prospect Park Zoo in New York. (AP Photo/Wildlife Conservation Society, Julie Larsen Maher)

Three eight-week-old lion cubs sit in an enclosure at the private Attica Zoological Park in Spata, east of Athens on Thursday, January 30, 2014. (AP Photo/Thanassis Stavrakis)

Three children white lioness Azira sleeps in their cage that were born last week in a private zoo in Borysew, in central Poland, on Tuesday, Feb. 4, 2014.(AP Photo/Czarek Sokolowski)

Three children white lioness Azira sleeps in their cage that were born last week in a private zoo in Borysew, in central Poland, on Tuesday, Feb. 4, 2014.(AP Photo/Czarek Sokolowski)

White lioness Azira lies in their cage with two of her three white cubs that were born last week in a private zoo in Borysew, in central Poland, on Tuesday, Feb. 4, 2014. (AP Photo/Czarek Sokolowski)

This photo made Monday, January 20, 2014, and provided by the Cincinnati Zoo shows a one-year-old gorilla named Gladys with an adult female named MíLinzi eating a birthday cake made for Gladys at the Cincinnati Zoo in Cincinnati. (AP Photo/Cincinnati Zoo/Dave Jenike)

In a photo provided by the Lowry Park Zoo, “August”, a female Angolan Colobus monkey, holds her newborn offspring Tuesday, Feb. 4, 2014, in Tampa, Fla. (AP Photo/Ho, Lowry Park Zoo)

A six and a half month old koala joey is held by a zoo keeper before being weighed for the first time, at Duisburg Zoo in Germany, Wednesday, Jan. 22, 2014. (AP Photo/Frank Augstein)

Baby Zoo Animals, Part 1