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Love is in the air - 'hippo style' at the Warsaw Zoo

Anelia, a female hippopotamus and her younger companion Hugo, who is 44 years her junior, started to mate recently, feeding hopes for the Warsaw zoo, that they may be expecting it's first baby hippo in many years.

Tomasz Gzell / EPA

Hugo, a four-year-old male hippo dives in the pool of the indoor enclosure at the Warsaw Zoo in Poland, January 27, 2011.

Tomasz Gzell / EPA

Hugo, a four-year-old male hippo and Aniela, a 48-year-old female (R) are seen at their indoor enclosure at the zoo in Warsaw, Poland, on January 27, 2011.

Tomasz Gzell / EPA

Hugo, (in water) a four-year-old male hippo and Aniela, a 48-year-old female are seen at their indoor enclosure at the zoo in Warsaw, Poland, on January 27, 2011.