Nine-day-old gorilla is breastfed by its mother Kijivu at the Prague Zoo on May 3, 2010. AFP PHOTO MICHAL CIZEK
Nine-day-old gorilla lays in the hand of its mother Kijivu at the Prague Zoo on May 3, 2010. AFP PHOTO MICHAL CIZEK
Nine-day-old gorilla lays in the arms of its mother Kijivu at the Prague Zoo on May 3, 2010. AFP PHOTO MICHAL CIZEK
Nine-day-old gorilla lays in the arms of its mother Kijivu at the Prague Zoo on May 3, 2010. AFP PHOTO MICHAL CIZEK
Nine-day-old gorilla lays in the arm of its mother Kijivu at the Prague Zoo on May 3, 2010. AFP PHOTO MICHAL CIZEK
Nine-day-old gorilla lays in the arm of its mother Kijivu at the Prague Zoo on May 3, 2010. AFP PHOTO MICHAL CIZEK
Nine-day-old gorilla lays in the arms of its mother Kijivu at the Prague Zoo on May 3, 2010. AFP PHOTO MICHAL CIZEK
Nine-day-old gorilla hold by its mother Kijivu at the Prague Zoo on May 3, 2010. AFP PHOTO MICHAL CIZEK
Nine-day-old gorilla is breastfed by its mother Kijivu at the Prague Zoo on May 3, 2010. AFP PHOTO MICHAL CIZEK
New born gorilla lays in the arm of her mother Kijivu at the Zoo on April 24 in Prague Zoo. PHOTO AFP/MICHAL CIZEK
New born gorilla lays in the arms of her mother Kijivu at the Zoo on April 24 in Prague Zoo. AFP PHOTO MICHAL CIZEK
New born gorilla lays in the arms of her mother Kijivu at the Zoo on April 24 in Prague Zoo. AFP PHOTO MICHAL CIZEK
New born gorilla is breastfed by its mother Kijivu at the Zoo on April 24 in Prague Zoo. AFP PHOTO MICHAL CIZEK
Nine-week-old baby gorilla Tatu lays in the arms of her mother Kijivu at the gorilla enclosure of the Zoo, 07 August 2007, in Prague. For two days...
Nine-week-old baby gorilla Tatu suckles in the arms of her mother Kijivu at the gorilla enclosure of the Zoo, 07 August 2007, in Prague. For two days...
Nine-week-old baby gorilla Tatu lays at the gorilla enclosure of the Zoo, 07 August 2007, in Prague. For two days the gorilla enclosure was closed to...
Nine-week-old baby gorilla Tatu lays near her mother Kijivu and father Richard at the gorilla enclosure of the Zoo, 07 August 2007, in Prague. For...
Nine-week-old baby gorilla Tatu lays in the arms of her mother Kijivu at the gorilla enclosure of the Zoo, 07 August 2007, in Prague. For two days...
Nine-week-old baby gorilla Tatu lays in the arms of her mother Kijivu as Richard, the father looks on, at the gorilla enclosure of the Zoo, 07 August...
Nine-week-old baby gorilla Tatu lays in the arms of her mother Kijivu at the gorilla enclosure of the Zoo, 07 August 2007, in Prague. For two days...
Prague, CZECH REPUBLIC: Gorilla Shinda looks at 15 year-old gorilla Kijivu as she holds her newly born baby at Prague's zoo 30 May, 2007. AFP PHOTO
Prague, CZECH REPUBLIC: Kijivu, a 15 year-old gorilla, rests with her newly born baby gorilla at Prague's zoo 30 May, 2007. AFP PHOTO
Prague, CZECH REPUBLIC: Kijivu, a 15 year-old gorilla, holds her newly born baby at Prague's zoo 30 May, 2007. AFP PHOTO
Prague, CZECH REPUBLIC: Female gorilla Kijivu with her baby Moja are pictured in Zoo Park 03 November 2005 in Prague. Czechs tired of watching humans...
Kijivu, a western lowland gorilla, cools off as water is sprayed into its enclosure at the zoo in Prague on August 7, 2015 while a heatwave hits...
Kijivu, a western lowland gorilla, cools off as water is sprayed into its enclosure at the zoo in Prague on August 7, 2015 while a heatwave hits...
Kijivu, a western lowland gorilla, holds her three months old baby as they rest at the Zoo in Prague, March 15, 2013. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her three months old baby as they rest at the Zoo in Prague, March 15, 2013. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her three months old baby as they rest at the Zoo in Prague, March 15, 2013. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her three months old baby as they rest at the Zoo in Prague, March 15, 2013. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her three months old baby as they rest at the Zoo in Prague, March 15, 2013. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her three months old baby as they rest at the Zoo in Prague, March 15, 2013. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, feeds her three months old baby as they rest at the Zoo in Prague, March 15, 2013. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her three months old baby as they rest at the Zoo in Prague, March 15, 2013. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her three months old baby as they rest at the Zoo in Prague, March 15, 2013. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her three months old baby as they rest at the Zoo in Prague, March 15, 2013. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her two days old baby as they rest at the Zoo in Prague, December 24, 2012. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her two days old baby as they rest at the Zoo in Prague, December 24, 2012. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her two days old baby as they rest at the Zoo in Prague, December 24, 2012. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her two days old baby as they rest at the Zoo in Prague, December 24, 2012. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her two days old baby as they rest at the Zoo in Prague, December 24, 2012. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her two days old baby as they rest at the Zoo in Prague, December 24, 2012. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her two days old baby as they rest at the Zoo in Prague, December 24, 2012. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her two days old baby as they rest at the Zoo in Prague, December 24, 2012. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her two days old baby as they rest at the Zoo in Prague, December 24, 2012. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her two days old baby as they rest at the Zoo in Prague, December 24, 2012. AFP PHOTO / MICHAL CIZEK.
Kijivu, a western lowland gorilla, holds her two days old baby as they rest at the Zoo in Prague, December 24, 2012. AFP PHOTO / MICHAL CIZEK.
In this file picture taken on August 7, 2007 Nine-week-old baby gorilla Tatu lays in the arms of her mother Kijivu at the gorilla enclosure of the...
In this file picture taken on August 7, 2007 Nine-week-old baby gorilla Tatu lays in the arms of her mother Kijivu at the gorilla enclosure of the...
In this file picture taken on August 7, 2007 Nine-week-old baby gorilla Tatu lays in the arms of her mother Kijivu at the gorilla enclosure of the...
New born gorilla lays in the arms of her mother Kijivu at the Zoo on April 24 in Prague Zoo. AFP PHOTO MICHAL CIZEK
Nine-day-old gorilla is breastfed by its mother Kijivu at the Prague Zoo on May 3, 2010. AFP PHOTO MICHAL CIZEK