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604034.  Wed Aug 26, 2009 8:23 pm Reply with quote

Groan - I'll never recover the five seconds of my life it took me to read that!

1295922.  Fri Sep 21, 2018 8:29 am Reply with quote

All penguins lack external genitalia. Both sexes look similar, incubate eggs and rear the offspring.

Until now, Galapagos penguins had to be 'sexed' by means of a blood sample. Now a new way has been discovered by the University of Washington. Males consistently have thicker beaks than females.

So all you need is a ruler...


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