An African Black Foot Penguin dives off a board at London Zoo in London March 29, 2012. The diving board has been installed to coincide with 'Inspired by 2012' London Olympic programme. REUTERS/Toby Melville (BRITAIN - Tags: ANIMALS ENVIRONMENT SPORT OLYMPICS) BEST QUALITY AVAILABLE

An African Black Foot Penguin dives off a board at London Zoo in London March 29, 2012. The diving board has been installed to coincide with 'Inspired by 2012' London Olympic programme. REUTERS/Toby Melville (BRITAIN - Tags: ENVIRONMENT SPORT OLYMPICS ANIMALS) FOR BEST QUALITY IMAGE ALSO SEE: GM1E8441FHE01

African penguins Pedro (R) and Buddy interact with each other at the Toronto Zoo in Toronto November 8, 2011. The Toronto Zoo announced they will separate the penguins after zookeepers noticed behaviour denoting a gay relationship between the two, and pair them with females to help preserve the endangered species. Pedro and Buddy will be reunited after mating with other female penguins. REUTERS/Mark Blinch (CANADA - Tags: ANIMALS SOCIETY)

An African penguin chick walks out of his nest at the Tropiquarium in Servion near Lausanne October 16, 2010. The eggs were incubated by the parents for around a month, then the babies stayed under them for a few weeks in order to gain weight and slowly adventured outside their nest since October 14 according to the Tropiquarium owner Philippe Morel. REUTERS/Denis Balibouse (SWITZERLAND - Tags: ANIMALS)

An African penguin swims in his pool at the Servion Zoo in Servion near Lausanne October 4, 2010. REUTERS/Denis Balibouse (SWITZERLAND - Tags: ANIMALS IMAGES OF THE DAY)

An African penguin stands near a miniature soccer goal and ball during an event at Hakkeijima Sea Paradise aquarium in Yokohama, south of Tokyo, May 20, 2010. The special event started on Thursday ahead of the 2010 FIFA Soccer World Cup. REUTERS/Yuriko Nakao (JAPAN - Tags: ANIMALS SPORT SOCCER WORLD CUP IMAGES OF THE DAY)

African penguins stand near a miniature soccer goal and ball during an event at Hakkeijima Sea Paradise aquarium in Yokohama, south of Tokyo, May 20, 2010. The special event started on Thursday ahead of the 2010 FIFA Soccer World Cup. REUTERS/Yuriko Nakao (JAPAN - Tags: ANIMALS SPORT SOCCER WORLD CUP)

Rehabilitated African Penguins in boxes await their release at Boulders beach breeding colony in Cape Town September 26, 2009. The release formed part of a national 'African Penguin Day' event organised by SANCCOB (Southern African Foundation for the Conservation of Coastal Birds). SANCCOB specializes in the conservation and rehabilitation of endangered birds that are either abandoned chicks, injured birds or birds that have been affected by oil spillages. Picture taken September 26, 2009. REUTERS/Mark Wessels (SOUTH AFRICA ANIMALS ENVIRONMENT)

Zoo keeper Darren Jordan counts the South African Black-footed penguins during the annual stocktake at London Zoo January 10, 2008. More than 600 different species, from stick insects to gorillas, are counted during the annual New Year stocktake. REUTERS/Luke MacGregor (BRITAIN)

A South African Black-footed penguin bites a zoo keeper's clipboard during the annual stocktake at London Zoo January 10, 2008. More than 600 different species, from stick insects to gorillas, are counted during the annual New Year stocktake. REUTERS/Luke MacGregor (BRITAIN)

Keeper Tim Savage counts Black Footed Penguins during the annual animal "stocktake" at London Zoo, January 6, 2004. All of the more than 600 species housed at the zoo will be included in the count. REUTERS/Natasha-Marie Brown PP04010015 NMB/ASA/ACM

Penguin chicks 19-day old Becks (L) and 22-day old Posh pose for
photographers at London Zoo, March 28, 2002. The chicks, named after
England soccer captain David Beckham and his pop star wife Victoria,
are Black-Footed penguins and will develop their waterproof feathers
when they are two and a half months old. NO RIGHTS CLEARANCES OR PERMISSIONS ARE REQUIRED FOR THIS IMAGE REUTERS/Dan Chung

DC/ASA

Penguin chicks 19-day old Becks (L) and 22-day old Posh pose for
photographers at London Zoo, March 28, 2002. The chicks, named after
England soccer captain David Beckham and his pop star wife Victoria,
are Black-Footed penguins and will develop their waterproof feathers
when they are two and a half months old. REUTERS/Dan Chung

DC/ASA

Penguin chicks 19-day old Becks (L) and 22-day old Posh pose for
photographers at London Zoo, March 28, 2002. The chicks, named after
England soccer captain David Beckham and his pop star wife Victoria,
are Black-Footed penguins and will develop their waterproof feathers
when they are two and a half months old. REUTERS/Dan Chung

DC/ASA