Animal Eggs Primates Raised 
Critter News
DECEMBER 12, 2009
Another animal dies at the Calgary Zoo and more questions are being raised about their practices. The fatality is one in a string of animal deaths in recent years. In April 2009, unseasonably cold weather froze two whopping crane eggs. Tags: zoos welfare violations animal welfare.
10,000 Birds
FEBRUARY 18, 2014
In the former, a female lays her fertilized egg in the nest of another species, in the hopes that her offspring will be raised by the unwitting hosts. In the latter, three or more adult individuals contribute to the raising of offspring. It turns out that the two strategies may be related.
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