April 7. (Michael Dalder/Reuters)

 April 13. (ARNE DEDERT/AFP/Getty Images) 

May 9.(STEPHANIE PILICK/EPA)

 (JOHANNES EISELE/AFP/Getty Images) 

 May 21. (ENNIO LEANZA/EPA) 

March and mid-April. (JOCHEN LÜBKE/AFP/Getty Images) 

April 11 " (Wilfredo Lee/Associated Press)

April 25. (LINDSEY PARNABY/AFP/Getty Images) 

May 17  (FABRICE COFFRINI/AFP/Getty Images) 

 May 5. (Reuters)

April 7 (Denis Balibouse/Reuters)

May 19,  (Robertus Pudyanto/Getty Images)

April 22. (Jens Meyer/Associated Press)

May 19. (ANTONIO BAT/EPA)

 March 19. (Jens Meyer/Associated Press)

 (Boudewijn Seapark Animal Park via AFP/Getty Images) 

April 17. (PATRICK PLEUL/EPA)

 April 29. (ERNESTO BENAVIDES/AFP/Getty Images)

 May 4. (ASIT KUMAR/AFP/Getty Images)

 April 11. (MAJA HITIJ/EPA)

 April 25 (Chris Graythen/Getty Images)

May 7.  (Jeff Chiu/Associated Press)

 April 9. (Jorge Guerrero/AFP/Getty Images)

 May 8, (HENDRIK SCHMIDT/AFP/Getty Images)

(Busch Gardens Tampa/Associated Press)

 May 8.  (ALAN PORRITT/EPA)

(ROLAND WEIHRAUCH/AFP/Getty Images)

 April 4. (Heinz-Peter Bader/Reuters)

 April 16. (MAJA HITIJ/AFP/Getty Images)

 May 21. (ENNIO LEANZA/EPA)

 April 15. (SUTANTA ADITYA/AFP/Getty Images)

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